87 results on '"Silveira Rc"'
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2. Larval settlement and spat recovery rates of the oyster Crassostrea brasiliana (Lamarck, 1819) using different systems to induce metamorphosis
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Silveira, RC, primary, Silva, FC, additional, Gomes, CHM, additional, Ferreira, JF, additional, and Melo, CMR, additional
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- 2011
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3. Risk factors associated with growth failure in the follow‐up of very low birth weight newborns
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Grassiolli Es, Reiss U, Garcia Ah, Dominguez Ml, Viera Cs, Zor U, Kitchen Wh, Igal Rubinstein, Barron Sl, Jean V. Lissenden, McFalls Mh, Rickards Al, Arie Schwartz, Margaret M. Ryan, Rover Mms, McFalls Ja, Insler, Silveira Rc, Kohen F, Guimaraes Atb, Zuckerman H, Brook I, Behar M, Mikolas M, Ford Gw, McEwan J, Mora Mp, Lindner Hr, Tovar Mc, and Burbano C
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Whey protein ,Taurine ,Recém‐nascido de muito baixo peso ,Population ,Very low birth weight ,Growth ,chemistry.chemical_compound ,Polyunsaturated fat ,fluids and secretions ,Prematuro ,Lactation ,Pelvic inflammatory disease ,medicine ,Food science ,Lactose ,education ,education.field_of_study ,Fatores de risco ,lcsh:RJ1-570 ,food and beverages ,lcsh:Pediatrics ,medicine.anatomical_structure ,chemistry ,Risk factors ,Crescimento ,Preterm infant ,Colostrum - Abstract
ObjectiveTo determine risk factors during neonatal hospital stay and follow‐up associated with failure to thrive in the first year of life of very low birth weight newborns.MethodsStudy of preterm very low birth weight newborns followed from 2006 to 2013 in a public institutional hospital program. The study included newborns that attended at least one appointment in each of the three periods: Period I, up to 3 months of corrected age (CA); Period II, 4–6 months of CA; and Period III, 7–12 months of CA. The variables were analyzed by logistic regression with XLSTAT 2014 software (Microsoft®, WA, USA). Failure to thrive (Z‐score below −2 SD) was classified as a dichotomous dependent variable (0 – failure/1 – success), while the other variables were classified as explanatory variables for the hospitalization periods and for each of the follow‐up periods (I, II, and III).ResultsChildren born adequate for gestational age increased the chance of Z‐score for weight at discharge>−2 SD (OR=10.217; 95% CI: 1.117–93.436). Metabolic bone disease and retinopathy of prematurity in Period I, as well as hospital readmissions in Periods II and III during follow‐up increased the chance of Z‐score
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4. Association between type of feeding at hospital discharge and nutritional status of Brazilian very preterm infants: a multicenter study.
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Soldateli B, Silveira RC, Procianoy RS, Edwards EM, and Belfort MB
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- Humans, Infant, Newborn, Brazil, Female, Male, Infant Formula, Gestational Age, Intensive Care Units, Neonatal, Infant, Premature growth & development, Infant, Very Low Birth Weight growth & development, Birth Weight physiology, Infant Nutritional Physiological Phenomena physiology, Infant, Extremely Premature growth & development, Patient Discharge statistics & numerical data, Nutritional Status physiology, Milk, Human
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Objectives: To examine trends over time in diet and size of very preterm infants, and associations of diet with size at hospital discharge/transfer., Methods: The authors studied 4062 surviving very preterm infants born < 32 weeks' gestational age and < 1500 g between January 2012 and December 2020 from 12 Brazilian Neonatal Intensive Care Units. Diet type at discharge/transfer was classified as exclusive human milk, exclusive formula, or mixed. Outcomes were weight and head circumference at hospital discharge and the change in each from birth to discharge. The authors used linear regression to estimate adjusted associations of diet type with infant size, overall, and stratified by fetal growth category (small vs. appropriate for gestational age). The authors also examined trends in diet and infant size at discharge over the years., Results: Infants' mean gestational age at birth was 29.3 weeks, and the mean birth weight was 1136 g. Diet at discharge/transfer was exclusive human milk for 22 %, mixed for 62 %, and exclusive formula for 16 %. Infant size in weight and head circumference were substantially below the growth chart reference for all diets. Infants fed human milk and mixed diets were lighter and had smaller heads at discharge/transfer than infants fed formula only (weight z: -2.0, -1.8, and -1.5; head z: -1.3, -1.2 and -1.1 for exclusive human milk, mixed and exclusive formula respectively)., Conclusion: Results suggest high human milk use but gaps in nutrient delivery among hospitalized Brazilian very preterm infants, with little evidence of improvement over time., Competing Interests: Conflicts of interest The authors declare no conflicts of interest., (Copyright © 2024 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
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- 2024
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5. Correction: Laboratory-based surveillance of chronic kidney disease in people with private health coverage in Brazil.
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Samaan F, Silveira RC, Mouro A, Kirsztajn GM, and Sesso R
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- 2024
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6. Parent-Guided Developmental Intervention for Infants With Very Low Birth Weight: A Randomized Clinical Trial.
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Silveira RC, Valentini NC, O'Shea TM, Mendes EW, Froes G, Cauduro L, Panceri C, Fuentefria RN, and Procianoy RS
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- Humans, Female, Infant, Newborn, Male, Child Development physiology, Brazil, Infant, Adult, Infant, Very Low Birth Weight, Infant, Premature, Parents psychology
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Importance: Early interventions improve neurodevelopmental outcomes after preterm birth, but few studies of early intervention have focused on preterm infants whose families reside in low- or middle-income countries (LMICs)., Objective: To evaluate whether parent-guided early intervention improves the neurodevelopmental outcomes of preterm infants in an LMIC., Design, Setting, and Participants: This randomized clinical trial was performed at a high-risk obstetric referral hospital in Brazil, with outcome evaluations by examiners masked to randomization group. Eligibility criteria were (1) birth at the study hospital, (2) residence within 40 km of the birth hospital, and (3) gestational age of less than 32 weeks or birth weight of less than 1500 g. Of 138 enrolled infants, 19 died after randomization and 19 withdrew from the study; all other enrollees (50 per randomization group) were evaluated for the primary outcome. Data were collected from January 1, 2016, to May 31, 2022, and analyzed from June 10 to July 31, 2022., Interventions: On postnatal day 7, infants were randomized to usual care, consisting of support for lactation, kangaroo care, and routine developmental therapies, or to a parent-guided enhanced developmental intervention, consisting of usual care plus infant massage and enhanced visual stimulation, auditory stimulation, social interactions, and support for motor development, instructed by developmental therapists., Main Outcomes and Measures: The primary outcome was the Bayley Scales of Infant and Toddler Development-Third Edition score at 18 months of age adjusted for prematurity., Results: Among the 100 infants included in the analysis, mean (SD) gestational age was 28.4 (2.2) weeks, and 57 (57%) were male. The mean (SD) gestational age for the intervention group was 28.3 (2.3) weeks; for the usual care group, 28.5 (2.2) weeks. Female infants accounted for 21 infants (42%) of the intervention group and 22 (44%) of the usual care group; male infants, 29 (58%) and 28 (56%), respectively. The enhanced developmental intervention group had higher cognitive scores at 18 months of corrected age (mean [SD], 101.8 [11.9] vs 97.3 [13.5]; mean difference, 4.5 [95% CI, 0.1-8.9])., Conclusions and Relevance: In this randomized clinical trial of a parent-guided developmental intervention for early cognitive function of very preterm or very low birth weight infants implemented in an LMIC, the intervention improved very preterm infants' neurodevelopmental outcomes at 18 months of adjusted age. Parent-guided early intervention can improve neurodevelopmental outcome of very preterm infants born in LMICs., Trial Registration: ClinicalTrials.gov Identifier: NCT02835612.
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- 2024
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7. Laboratory-based surveillance of chronic kidney disease in people with private health coverage in Brazil.
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Samaan F, Silveira RC, Mouro A, Kirsztajn GM, and Sesso R
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- Humans, Male, Female, Brazil epidemiology, Middle Aged, Adult, Prevalence, Aged, Population Surveillance methods, Young Adult, Adolescent, Insurance, Health statistics & numerical data, Proteinuria epidemiology, Glomerular Filtration Rate, Renal Insufficiency, Chronic epidemiology, Creatinine blood
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Background: Although approximately 25% of Brazilians have private health coverage (PHC), studies on the surveillance of chronic kidney disease (CKD) in this population are scarce. The objective of this study was to estimate the prevalence of CKD in individuals under two PHC regimes in Brazil, who total 8,335,724 beneficiaries., Methods: Outpatient serum creatinine and proteinuria results of individuals from all five regions of Brazil, ≥ 18 years of age, and performed between 10/01/2021 and 10/31/2022, were analyzed through the own laboratory network database. People with serum creatinine measurements were evaluated for the prevalence and staging of CKD, and those with simultaneous measurements of serum creatinine and proteinuria were evaluated for the risk category of the disease. CKD was classified according to current guidelines and was defined as a glomerular filtration rate (GFR) < 60 ml/min/1.73 m² estimated by the 2021 CKD-EPI equation., Results: The number of adults with serum creatinine results was 1,508,766 (age 44.0 [IQR, 33.9-56.8] years, 62.3% female). The estimated prevalence of CKD was 3.8% (2.6%, 0.8%, 0.2% and 0.2% in CKD stages 3a, 3b, 4 and 5, respectively), and it was higher in males than females (4.0% vs. 3.7%, p < 0.001, respectively) and in older age groups (0.2% among 18-29-year-olds, 0.5% among 30-44-year-olds, 2.0% among 45-59-year-olds, 9.4% among 60-74-year-olds, and 32.4% among ≥ 75-year-olds, p < 0.001) Adults with simultaneous results of creatinine and proteinuria were 64,178 (age 57.0 [IQR, 44.8-67.3] years, 58.1% female). After adjusting for age and gender, 70.1% were in the low-risk category of CKD, 20.0% were in the moderate-risk category, 5.8% were in the high-risk category, and 4.1% were in the very high-risk category., Conclusion: The estimated prevalence of CKD was 3.8%, and approximately 10% of the participants were in the categories of high or very high-risk of the disease. While almost 20% of beneficiaries with PHC had serum creatinine data, fewer than 1% underwent tests for proteinuria. This study was one of the largest ever conducted in Brazil and the first one to use the 2021 CKD-EPI equation to estimate the prevalence of CKD., (© 2024. The Author(s).)
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- 2024
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8. Position paper of diagnosis and treatment of post-extubation laryngitis in children: a multidisciplinary expert-based opinion.
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Pazinatto DB, Maunsell R, Avelino MAG, Lubianca Neto JF, Schweiger C, Caldas JPS, Brandão MB, Souza PP, Peixoto FAO, Ricachinevsky CP, Silveira RC, Andreolio C, Miura CS, Volpe DDSJ, Ferri WAG, Gavazzoni FB, João PRD, Possas SA, and Chone CT
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- Humans, Child, Delphi Technique, Risk Factors, Laryngitis etiology, Laryngitis diagnosis, Laryngitis drug therapy, Airway Extubation adverse effects, Laryngoscopy
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Objectives: To make recommendations on the diagnosis and treatment of post-extubation laryngitis (PEL) in children with or without other comorbidities., Methods: A three-iterative modified Delphi method was applied. Specialists were recruited representing pediatric otolaryngologists, pediatric and neonatal intensivists. Questions and statements approached topics encompassing definition, diagnosis, endoscopic airway evaluation, risk factors, comorbidities, management, and follow-up. A consensus was defined as a supermajority >70%., Results: Stridor was considered the most frequent symptom and airway endoscopy was recommended for definitive diagnosis. Gastroesophageal reflux and previous history of intubation were considered risk factors. Specific length of intubation did not achieve a consensus as a risk factor. Systemic corticosteroids should be part of the medical treatment and dexamethasone was the drug of choice. No consensus was achieved regarding dosage of corticosteroids, although endoscopic findings help defining dosage and length of treatment. Non-invasive ventilation, laryngeal rest, and use of comfort sedation scales were recommended. Indications for microlaryngoscopy and bronchoscopy under anesthesia were symptoms progression or failure to improve after the first 72-h of medical treatment post-extubation, after two failed extubations, and/or suspicion of severe lesions on flexible fiberoptic laryngoscopy., Conclusions: Management of post-extubation laryngitis is challenging and can be facilitated by a multidisciplinary approach. Airway endoscopy is mandatory and impacts decision-making, although there is no consensus regarding dosage and length of treatment., (Copyright © 2024 Associação Brasileira de Otorrinolaringologia e Cirurgia Cérvico-Facial. Published by Elsevier España S.L.U. All rights reserved.)
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- 2024
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9. Comparison of the effectiveness of different high-flow devices in neonatal care.
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Kaminski DM, Biazus GF, Silveira RC, and Procianoy RS
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- Humans, Infant, Newborn, Birth Weight, Cannula, Oxygen Inhalation Therapy methods, Respiration, Artificial, Retrospective Studies, Noninvasive Ventilation, Respiratory Insufficiency therapy
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Objective: To evaluate the success rate of high-flow nasal cannula (HFNC) therapy using an adapted obsolete mechanical ventilator (MV), Optiflow™ and Vapotherm™ in newborns (NBs)., Method: This was a retrospective observational study conducted in the neonatal intensive care unit (NICU). The sample comprised NBs who underwent HFNC therapy due to ventilatory dysfunction, for weaning from non-invasive ventilation (NIV), or post-extubation. The three groups, stratified according to gestational age (GA) and birth weight, and corrected GA and weight at the beginning of HFNC use, were as follows: Optiflow ™, Vapotherm ™, and obsolete Mechanical Ventilator (MV) adapted for high flow therapy. Subsequently, the NBs were divided into a success group (SG) and a failure group (FG). HFNC success was defined as a therapy duration exceeding 72 h., Results: A total of 209 NBs were evaluated, with 31.1 % using HFNC due to ventilatory dysfunction, 2.4 % after extubation, and 66.5 % after NIV weaning. HFNC success rate was observed in 90.9 % of the NBs, with no difference between equipment types (Vapotherm ™, Optiflow ™, and adapted VM)., Conclusion: Different types of HFNC equipment are equally effective when used in neonatology for respiratory dysfunction, as a method of weaning from NIV and post-extubation. Adapted obsolete MV can be an alternative for HFCN therapy in resource-constrained settings., Competing Interests: Conflicts of interest The authors declare no conflicts of interest., (Copyright © 2023 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
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- 2024
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10. Maternal-fetal-neonatal microbiome and outcomes associated with prematurity.
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Silveira RC and Ting JY
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- Infant, Newborn, Pregnancy, Female, Humans, Infant, Premature, Prenatal Care, Fetus, Microbiota, Gastrointestinal Microbiome, Infant, Newborn, Diseases
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Our understanding of the premature gut microbiome has increased rapidly in recent years. However, to advance this important topic we must further explore various aspects of the maternal microbiome, neonatal microbiota, and the opportunities for microbiome modulation. We invite authors to contribute research and clinical papers to the Collection "Maternal-fetal-neonatal microbiome and outcomes associated with prematurity"., (© 2024. The Author(s).)
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- 2024
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11. Less invasive surfactant administration versus intubation-surfactant-extubation in the treatment of neonatal respiratory distress syndrome: a systematic review and meta-analyses.
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Silveira RC, Panceri C, Munõz NP, Carvalho MB, Fraga AC, and Procianoy RS
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- Infant, Infant, Newborn, Humans, Infant, Premature, Surface-Active Agents therapeutic use, Airway Extubation, Intubation, Cerebral Hemorrhage, Pneumothorax drug therapy, Pulmonary Surfactants therapeutic use, Respiratory Distress Syndrome, Newborn therapy
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Objectives: To compare LISA with INSURE technique for surfactant administration in preterm with gestational age (GA) < 36 weeks with RDS in respect to the incidence of pneumothorax, bronchopulmonary dysplasia (BPD), need for mechanical ventilation (MV), regional cerebral oxygen saturation (rSO2), peri‑intraventricular hemorrhage (PIVH) and mortality., Methods: A systematic search in PubMed, Embase, Lilacs, CINAHL, SciELO databases, Brazilian Registry of Randomized Clinical Trials (ReBEC), Clinicaltrials.gov, and Cochrane Central Register of Controlled Trials (CENTRAL) was performed. RCTs evaluating the effects of the LISA technique versus INSURE in preterm infants with gestational age < 36 weeks and that had as outcomes evaluation of the rates of pneumothorax, BPD, need for MV, rSO2, PIVH, and mortality were included in the meta-analysis. Random effects and hazard ratio models were used to combine all study results. Inter-study heterogeneity was assessed using Cochrane Q statistics and Higgin's I2 statistics., Results: Sixteen RCTs published between 2012 and 2020 met the inclusion criteria, a total of 1,944 preterms. Eleven studies showed a shorter duration of MV and CPAP in the LISA group than in INSURE group. Two studies evaluated rSO2 and suggested that LISA and INSURE transiently affect brain autoregulation during surfactant administration. INSURE group had a higher risk for MV in the first 72 h of life, pneumothorax, PIVH and mortality in comparison to the LISA group., Conclusion: This systematic review and meta-analyses provided evidence for the benefits of the LISA technique in the treatment of RDS, decreasing CPAP time, need for MV, BPD, pneumothorax, PIVH, and mortality when compared to INSURE., Competing Interests: Conflicts of interest The authors declare no conflicts of interest., (Copyright © 2023 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
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- 2024
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12. The Influence of Early Nutrition on Neurodevelopmental Outcomes in Preterm Infants.
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Silveira RC, Corso AL, and Procianoy RS
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- Infant, Female, Infant, Newborn, Humans, Milk, Human chemistry, Fatty Acids analysis, Micronutrients analysis, Oligosaccharides analysis, Glucose analysis, Infant, Premature, Infant Nutritional Physiological Phenomena
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Premature infants, given their limited reserves, heightened energy requirements, and susceptibility to nutritional deficits, require specialized care., Aim: To examine the complex interplay between nutrition and neurodevelopment in premature infants, underscoring the critical need for tailored nutritional approaches to support optimal brain growth and function., Data Sources: PubMed and MeSH and keywords: preterm, early nutrition, macronutrients, micronutrients, human milk, human milk oligosaccharides, probiotics AND neurodevelopment or neurodevelopment outcomes. Recent articles were selected according to the authors' judgment of their relevance. Specific nutrients, including macro (amino acids, glucose, and lipids) and micronutrients, play an important role in promoting neurodevelopment. Early and aggressive nutrition has shown promise, as has recognizing glucose as the primary energy source for the developing brain. Long-chain polyunsaturated fatty acids, such as DHA, contribute to brain maturation, while the benefits of human milk, human milk oligosaccharides, and probiotics on neurodevelopment via the gut-brain axis are explored. This intricate interplay between the gut microbiota and the central nervous system highlights human milk oligosaccharides' role in early brain maturation., Conclusions: Individualized nutritional approaches and comprehensive nutrient strategies are paramount to enhancing neurodevelopment in premature infants, underscoring human milk's potential as the gold standard of nutrition for preterm infants.
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- 2023
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13. Incidence of nasal pressure injury in preterm infants on nasal mask noninvasive ventilation.
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Biazus GF, Kaminski DM, Silveira RC, and Procianoy RS
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- Infant, Infant, Newborn, Humans, Infant, Premature, Incidence, Continuous Positive Airway Pressure, Noninvasive Ventilation adverse effects, Pressure Ulcer epidemiology, Pressure Ulcer etiology
- Abstract
Objective: The aim of this study was to evaluate the incidence of nasal injury in preterm newborns (NB) using the Neonatal Skin Condition Score within 7 days of noninvasive ventilation (NIV) and to compare the incidence of injury in NB weighing ≥1,000 g and those weighing <1,000 g at the time of initiation of NIV support., Methods: This is a prospective, observational study carried out in a neonatal intensive care unit of a public hospital in Rio Grande do Sul from July 2016 to January 2021. Patients were stratified into two groups at the time of NIV initiation: group 1 (weight ≥1,000 g) and group 2 (weight <1,000 g). To assess the condition of nasal injury, a rating scale called the Neonatal Skin Condition Score was applied during the first seven consecutive days on NIV. Kaplan-Meier, log-rank test, and Cox proportional hazards regression were used to estimate the hazard ratio (HR) and 95% confidence interval (CI)., Results: In total, 184 NB were evaluated. Nasal injury was reported in 55 (30%) NB. The risk of nasal injury was 74% higher in group 2 (19/45) than in group 1 (36/139) (HR: 1.74; 95%CI 0.99-3.03, p=0.048)., Conclusion: The incidence of nasal injury in infants submitted to NIV by nasal mask was high, and the risk of this injury was greater in preterm infants weighing <1,000 g.
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- 2023
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14. Growth phenotypes of very low birth weight infants for prediction of neonatal outcomes from a Brazilian cohort: comparison with INTERGROWTH.
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Cardoso VC, Grandi C, Silveira RC, Duarte JLB, Viana MCFB, Ferreira DMLM, Alves JMS Junior, Embrizi LF, Gimenes CB, de Mello E Silva NM, Melo FPG, Venzon PS, Gomez DB, Vale MSD, Bentlin MR, Barros MCM, Cardoso LEMB, Diniz EMA, Luz JH, Marba STM, Almeida JHCL, Aragon DC, and Carmona F
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- Female, Infant, Newborn, Humans, Retrospective Studies, Brazil epidemiology, Hospital Mortality, Infant, Small for Gestational Age, Fetal Growth Retardation, Phenotype, Birth Weight, Gestational Age, Infant, Premature, Infant, Very Low Birth Weight
- Abstract
Objective: To assess the predictive value of selected growth phenotypes for neonatal morbidity and mortality in preterm infants < 30 weeks and to compare them with INTERGROWTH-21
st (IG21)., Method: Retrospective analysis of data from the Brazilian Neonatal Research Network (BNRN) database for very low birth weight (VLBW) at 20 public tertiary-care university hospitals., Outcome: the composite neonatal morbidity and mortality (CNMM) consisted of in-hospital death, oxygen use at 36 weeks, intraventricular hemorrhage grade 3 or 4, and Bell stage 2 or 3 necrotizing enterocolitis. Selected growth phenotypes: small-for-gestational-age (SGA) defined as being < 3rd (SGA3) or 10th (SGA10) percentiles of BW, and large-for-gestational-age (LGA) as being > 97th percentile of BW. Stunting as being < 3rd percentile of the length and wasting as being < 3rd percentile of BMI. Single and multiple log-binomial regression models were fitted to estimate the relative risks of CNMM, comparing them to IG21., Results: 4,072 infants were included. The adjusted relative risks of CNMM associated with selected growth phenotypes were (BNRN/IG21): 1.45 (0.92-2.31)/1.60 (1.27-2.02) for SGA; 0.90 (0.55-1.47)/1.05 (0.55-1.99) for LGA; 1.65 (1.08-2.51)/1.58 (1.28-1.96) for stunting; and 1.48 (1.02-2.17) for wasting. Agreement between the two references was variable. The growth phenotypes had good specificity (>95%) and positive predictive value (70-90%), with poor sensitivity and low negative predictive value., Conclusion: The BNRN phenotypes at birth differed markedly from the IG21 standard and showed poor accuracy in predicting adverse neonatal outcomes., Competing Interests: Conflicts of interest The authors declare no conflicts of interest., (Copyright © 2022 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)- Published
- 2023
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15. The impact of an early intervention home-based program on body composition in preterm-born preschoolers with very low birth weight.
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Fernandes RO, Bernardi JR, da Fonseca JD, Gomes da Silva F, Procianoy RS, and Silveira RC
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Background and Aims: Early child interventions focused on the family prevented neurodevelopmental and behavioral delays and can provide more knowledge regarding responsive feeding, thus creating learning opportunities to promote better quality nutrition and preventing failure to thrive. The aim is to verify the impact of a continuous program of early home-based intervention on the body composition of preschool infants who were born preterm with very low birth weight (VLBW)., Methods: This is a longitudinal analysis from a randomized controlled trial, including VLBW preterm children, born in a tertiary hospital in Southern Brazil and followed up at the high-risk institutional ambulatory clinic. Participants were divided into the intervention group (IG): skin-to-skin care with the mother (kangaroo care), breastfeeding policy, and tactile-kinesthetic stimulation by mothers until hospital discharge. Subsequently, they received a program of early intervention with orientation and a total of 10 home visits, independently from the standard evaluation and care that was performed following the 18 months after birth; conventional group (CG): standard care according to the routine of the newborn intensive care unit (NICU), which includes kangaroo care, and attending to their needs in the follow-up program. Body composition estimation was performed using bioelectrical impedance analyses (BIA), and physical activity and feeding practices questionnaires were evaluated at preschool age, as well as anthropometric measurements and biochemical analysis., Results: Data of 41 children at 4.6 ± 0.5 years old were evaluated (CG n = 21 and IG n = 20). Body weight, height, body mass index, waist and arm circumferences, and triceps and subscapular skinfold did not differ between groups. The IG presented higher segmented fat-free mass (FFM) when compared to the CG (right arm FFM: 0.74 vs. 0.65 kg, p = 0.040; trunk FFM: 6.86 vs. 6.09 kg, p = 0.04; right leg FFM: 1.91 vs. 1.73 kg, p = 0.063). Interaction analyses showed that segmented FFM and FFM Index were associated with higher iron content in the IG. In the CG, interaction analyses showed that increased visceral fat area was associated with higher insulin resistance index., Conclusion: An early intervention protocol from NICU to a home-based program performed by the mothers of VLBW preterm children of low-income families presents a small effect on FFM., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Fernandes, Bernardi, da Fonseca, Gomes da Silva, Procianoy and Silveira.)
- Published
- 2022
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16. Motor development in the first year of life predicts impairments in cognition and language at 3 years old in a Brazilian preterm cohort of low-income families.
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Panceri C, Silveira RC, Procianoy RS, and Valentini NC
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Purpose: Early identification of impairments is crucial to providing better care for preterm children, especially those from low-income families. The early motor assessment is the first step in monitoring their neurodevelopment. This study investigates if motor development in the first year of life predicts impairments in cognition and language at 3-year-old in a Brazilian preterm cohort., Materials and Methods: Data were collected in a follow-up clinic for high-risk infants. The Bayley Scales were used to assess children at 4, 8, 12, and 36 months of age, considering composite scores. Cognitive and language impairments were considered if scores were ≤85. Children ( N = 70) were assessed at 4 and 36 months, 79 were assessed at 8 and 36 months, and 80 were assessed at 12 and 36 months. Logistic regressions were used to analyze the predictability of cognitive and language impairments, and receiver-operating characteristics (ROC) curves were used to analyze the sensibility and specificity of motor assessment and cognitive and language impairments., Results: Poor motor scores at 8 and 12 months increased the chances of cognitive and language impairment at 3-year-old. The chance of cognitive impairment at 3-year-old increases by 6-7% for each point that the motor composite score decreases, and the chance of language impairment at 3-year-old increases by 4-5% for each point that the motor composite score decreases. No-significant results were found at 4-months. Adequate sensibility and specificity were found for language impairments considering 12 months scores and for cognitive impairments as soon as 8 months scores., Conclusion: Monitoring preterm motor development in the first year of life helps to identify preterm children at risk for impairment in other developmental domains. Since preterm children from low-income families tend to demonstrate poorer neurodevelopment outcomes, these children need early assessment and referral to intervention to prevent school failures and support from public policies., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Panceri, Silveira, Procianoy and Valentini.)
- Published
- 2022
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17. Risk Factors for cognitive, motor and language development of preterm children in the first year of life.
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Hass JV, Panceri C, Procianoy RS, Silveira RC, and Valentini NC
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- Child, Cognition, Female, Humans, Infant, Infant, Newborn, Language Development, Risk Factors, Child Development, Infant, Premature psychology
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Objective: To perform a longitudinal investigation of risk factors in premature infants' cognitive, motor, and language development., Methods: Thirty-three preterm infants were assessed at 4, 8, and 12 months of corrected age, using the Bayley-III Scales. Parents completed questionnaires regarding development opportunities at home, parenting practices and knowledge., Results: Significant associations were found (1) at 4-months between cognitive scores and family income, variety of stimuli, availability of toys, parenting practices and knowledge; language and parenting practices; and motor skills and parenting practices; (2) at 8-months between cognitive score and length of stay in the Neonatal Intensive Care Unit (NICU), gestational age, birth weight, toys, and parenting knowledge; language and toys; and motor skills and toys and parenting knowledge; (3) at 12-months between cognitive scores and length of stay in the NICU, family income, breastfeeding, toys, and parenting knowledge; language and income and toys; and motor scores and length of stay in the NICU, gestational age, income, stimuli, toys, and parenting knowledge. Regression analyses indicated that: for (1) cognitive development, stimulus variety explained 72% of the model variance at 4 months of age; time at the NICU explained 67 and 43% at 8 and 12 months of age, respectively, and breastfeeding time explained 41% of the model variance at 12 months; (2) for language development, family income explained 42% of the model variance at 12 months; and for motor development (3), time at the NICU explained 80% of the model variance at 12 months., Conclusions: The development over the first year of life is not explained by the severity of birth conditions and associated morbidities only, but also by parenting practices.
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- 2022
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18. Autopsy in a Neonatal Intensive Care Unit: pathological and clinical agreement.
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Penso C, Corso AL, Hentges CR, Silveira RC, Rivero RC, Rojas BS, Tellechea TS, and Procianoy RS
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- Autopsy, Brazil, Cause of Death, Humans, Infant, Newborn, Linear Models, Retrospective Studies, Intensive Care Units, Neonatal
- Abstract
Objectives: To evaluate neonatal autopsy rates at a tertiary hospital in southern Brazil ascertain the level of agreement between premortem and postmortem diagnosis., Methods: The authors reviewed all neonatal autopsies performed over a 10-year period and described the percentage of neonates who died and underwent autopsy. The authors tested for agreement between autopsy findings and the cause of death as defined by the neonatologist. Agreement between clinical diagnosis and autopsy findings was classified using the modified Goldman criteria. Additional findings at autopsy were grouped by organ system. Linear regression and multiple comparisons were used for statistical analyses., Results: During the study period, 382 neonates died at the Neonatal Intensive Care Unit (NICU). Consent to perform an autopsy was obtained for 73 (19.1%). The complete agreement between autopsy findings and the neonatologist's premortem diagnosis was found in 48 patients (65.8%). Additional findings were obtained at autopsy in 25 cases (34.2%). In 5 cases (6.9%), the autopsy findings contributed to subsequent genetic counseling. Seven autopsies (9.6%) revealed a diagnosis that would have changed patient management if established premortem. The autopsy rate increased by an average of 1.87% each year., Conclusion: Despite a high level of agreement between clinical diagnosis and pathological findings, autopsies provided relevant data regarding the cause of death, providing additional clinical information to neonatologists and allowing genetic counseling of family members., Competing Interests: Conflicts of interest The authors declare no conflicts of interest., (Copyright © 2022 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2022
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19. Device and nondevice-guided slow breathing to reduce blood pressure in hypertensive patients: A systematic review and meta-analysis.
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de Freitas Gonçalves KS, Queiroz Godoy Daniel AC, Tatagiba Lamas JL, Oliveira HC, Cloutier L, De Campos Pereira Silveira RC, and Veiga EV
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Backgroud and Aims: Hypertension (HTN) is a multifactorial chronic disease. Considering the high prevalence rates of this disease, treatment of HTN is necessary, not only to reduce blood pressure (BP) levels but also to prevent the development of cardiovascular, cerebrovascular, and kidney diseases. This treatment can be through medication, which will be determined according to the BP values, obtained either in medical consultations or at home; presence of cardiovascular risk factors, and the presence of target organ damage identified during anamnesis. The aim of this systematic review and meta-analysis is to summarize the effects of device-guided slow breathing (DGSB) and nondevice-guided slow breathing (NDGSB) on BP levels of patients with HTN., Methods: This study is a systematic review and meta-analysis of randomized clinical trials, pertaining to hypertensive patients, with or without comorbidity, over 18 years old, of both sexes, and with or without hypertensive medication. The selected studies showed comparisons between groups that performed DGSB and/or NDGSB with control conditions. The primary outcome was the value of systolic blood pressure (SBP) and diastolic blood pressure (DBP) after the interventions., Results: Twenty-two studies involving 17,214 participants were included in the quantitative analysis. Considerable heterogeneity was revealed between studies. Using random effect model, it was found that DGSB did not significantly reduce SBP and DBP compared to usual care, both in terms BP values and in relation to their variations (SBP, mean difference [MD]: -2.13 mmHg, (95% confidence interval [CI]: -12.71 to 8.44), 288 individuals; I
2 = 93%, high heterogenity: DBP, MD: -0.90, 95% CI: -3.97 to 2.11, 288 individuals; I2 = 63%, substantial heterogenity. SBP variations MD: -2.42, 95% CI: -7.24 to 2.40, 443 individuals; I2 = 85% high heterogenity/DBP variations MD: -1.67, 95% CI: -4.57 to 1.24, 443 individuals; I2 = 80%, high heterogenity)., Conclusion: Based on these results it appears that DGSB did not reduce BP in hypertensive patients and NDGSB is a new path for the future., Competing Interests: The authors declare no conflicts of interest., (© 2022 The Authors. Health Science Reports published by Wiley Periodicals LLC.)- Published
- 2022
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20. Early Detection of Cognitive, Language, and Motor Delays for Low-Income Preterm Infants: A Brazilian Cohort Longitudinal Study on Infant Neurodevelopment and Maternal Practice.
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Valentini NC, de Borba LS, Panceri C, Smith BA, Procianoy RS, and Silveira RC
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Aim: This study examined the neurodevelopment trajectories, the prevalence of delays, and the risks and protective factors (adverse outcomes, environment, and maternal factors) associated with cognitive, motor, and language development for preterm infants from 4- to 24-months. Method: We assessed 186 preterm infants (24.7% extremely preterm; 54.8% very preterm; 20.4% moderate/late preterm) from 4- to 24-months using the Bayley Scales of Infant Development - III. Maternal practices and knowledge were assessed using the Daily Activities of Infant Scale and the Knowledge of Infant Development Inventory. Birth risks and adverse outcomes were obtained from infant medical profiles. Results: A high prevalence of delays was found; red flags for delays at 24-months were detected at 4- and 8-months of age. The neurodevelopmental trajectories showed steady scores across time for cognitive composite scores for extremely- and very-preterm infants and for language composite scores for the extremely- and moderate/late-preterm; a similar trend was observed for the motor trajectories of moderate/late preterm. Changes over time were restricted to motor composite scores for extremely- and very-preterm infants and for cognitive composite scores for moderate/late preterm; declines, stabilization, and improvements were observed longitudinally. Positive, strong, and significant correlations were for the neurodevelopment scores at the first year of life and later neurodevelopment at 18 and 24 months. The cognitive, language, and motor composite scores of extremely and very preterm groups were associated with more risk factors (adverse outcomes, environment, and maternal factors). However, for moderate/late preterm infants, only APGAR and maternal practices significantly explained the variance in neurodevelopment. Discussion: Although adverse outcomes were strongly associated with infant neurodevelopment, the environment and the parents' engagement in play and breastfeeding were protective factors for most preterm infants. Intervention strategies for preterm infants should start at 4- to 8-months of age to prevent unwanted outcomes later in life., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2021 Valentini, de Borba, Panceri, Smith, Procianoy and Silveira.)
- Published
- 2021
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21. A global point prevalence survey of antimicrobial use in neonatal intensive care units: The no-more-antibiotics and resistance (NO-MAS-R) study.
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Prusakov P, Goff DA, Wozniak PS, Cassim A, Scipion CEA, Urzúa S, Ronchi A, Zeng L, Ladipo-Ajayi O, Aviles-Otero N, Udeigwe-Okeke CR, Melamed R, Silveira RC, Auriti C, Beltrán-Arroyave C, Zamora-Flores E, Sanchez-Codez M, Donkor ES, Kekomäki S, Mainini N, Trochez RV, Casey J, Graus JM, Muller M, Singh S, Loeffen Y, Pérez MET, Ferreyra GI, Lima-Rogel V, Perrone B, Izquierdo G, Cernada M, Stoffella S, Ekenze SO, de Alba-Romero C, Tzialla C, Pham JT, Hosoi K, Consuegra MCC, Betta P, Hoyos OA, Roilides E, Naranjo-Zuñiga G, Oshiro M, Garay V, Mondì V, Mazzeo D, Stahl JA, Cantey JB, Monsalve JGM, Normann E, Landgrave LC, Mazouri A, Avila CA, Piersigilli F, Trujillo M, Kolman S, Delgado V, Guzman V, Abdellatif M, Monterrosa L, Tina LG, Yunis K, Rodriguez MAB, Saux NL, Leonardi V, Porta A, Latorre G, Nakanishi H, Meir M, Manzoni P, Norero X, Hoyos A, Arias D, Sánchez RG, Medoro AK, and Sánchez PJ
- Abstract
Background: Global assessment of antimicrobial agents prescribed to infants in the neonatal intensive care unit (NICU) may inform antimicrobial stewardship efforts., Methods: We conducted a one-day global point prevalence study of all antimicrobials provided to NICU infants. Demographic, clinical, and microbiologic data were obtained including NICU level, census, birth weight, gestational/chronologic age, diagnoses, antimicrobial therapy (reason for use; length of therapy), antimicrobial stewardship program (ASP), and 30-day in-hospital mortality., Findings: On July 1, 2019, 26% of infants (580/2,265; range, 0-100%; median gestational age, 33 weeks; median birth weight, 1800 g) in 84 NICUs (51, high-income; 33, low-to-middle income) from 29 countries (14, high-income; 15, low-to-middle income) in five continents received ≥1 antimicrobial agent (92%, antibacterial; 19%, antifungal; 4%, antiviral). The most common reasons for antibiotic therapy were "rule-out" sepsis (32%) and "culture-negative" sepsis (16%) with ampicillin (40%), gentamicin (35%), amikacin (19%), vancomycin (15%), and meropenem (9%) used most frequently. For definitive treatment of presumed/confirmed infection, vancomycin (26%), amikacin (20%), and meropenem (16%) were the most prescribed agents. Length of therapy for culture-positive and "culture-negative" infections was 12 days (median; IQR, 8-14) and 7 days (median; IQR, 5-10), respectively. Mortality was 6% (42%, infection-related). An NICU ASP was associated with lower rate of antibiotic utilization ( p = 0·02)., Interpretation: Global NICU antibiotic use was frequent and prolonged regardless of culture results. NICU-specific ASPs were associated with lower antibiotic utilization rates, suggesting the need for their implementation worldwide., Funding: Merck & Co.; The Ohio State University College of Medicine Barnes Medical Student Research Scholarship., Competing Interests: Dr. Pablo J. Sánchez has received research grant support from Merck & Co. during the conduct of the study, and grant from MedImmune, Inc - AstraZeneca, outside of the submitted work. Dr. Pavel Prusakov has received research grant support from Merck & Co. and Pfizer. Dr. Debra A. Goff has received research grant support from Merck & Co. and Pfizer. Dr. Landgrave reports other support from GSK, outside the submitted work. Dr. Kekomäki reports grants and personal fees from Sanofi, grants and personal fees from Merck Sharp & Dome, other support from Pfizer, all outside of the submitted work. Dr. Mesa reports speaker fees from Pfizer and GlaxoSmithKline, outside of the submitted work. Mr. Wozniak received a Barnes Medical Student Research Scholarship grant from The Ohio State University College of Medicine. The other authors have nothing to disclose., (© 2021 The Authors.)
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- 2021
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22. Does ADHD worsen inhibitory control in preschool children born very premature and/or with very low birth weight?
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Lacerda BC, Martínez SBS, Franz AP, Moreira-Maia CR, Silveira RC, Procianoy RS, Rohde LA, and Wagner F
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- Case-Control Studies, Child, Child, Preschool, Female, Humans, Male, Attention Deficit Disorder with Hyperactivity physiopathology, Child Behavior physiology, Child Development physiology, Executive Function physiology, Infant, Extremely Premature physiology, Infant, Very Low Birth Weight physiology, Inhibition, Psychological
- Abstract
Introduction: Deficits in executive functioning, especially in inhibitory control, are present in children born very premature and/or with very low birth weight (VP/VLBW) and in children with attention-deficit/hyperactivity disorder (ADHD)., Objective: To evaluate whether ADHD imposes additional inhibitory control (IC) deficits in preschoolers born VP/VLBW., Methods: 79 VP/VLBW (4 to 7 years) children were assessed for ADHD using the Schedule for Affective Disorders and Schizophrenia for School Aged Children - Present and Lifetime Version (K-SADS-PL). IC was measured with Conners' Kiddie Continuous Performance Test (K-CPT 2) and the Behavior Rating Inventory of Executive Function - Preschool Version (BRIEF-P).Results: No significant differences were found between ADHD (n = 24) and non-ADHD children (n = 55) for any of the measures (p = 0.062 to p = 0.903). Both groups had deficits in most K-CPT 2 scores compared to normative samples, indicating poor IC and inconsistent reaction times., Conclusions: ADHD does not aggravate IC deficits in VP/VLBW children. Either neuropsychological tasks and parent reports of executive functions (EFs) may not be sensitive enough to differentiate VP/VLBW preschoolers with and without ADHD, or these children's EFs are already so impaired that there is not much room for additional impairments imposed by ADHD.
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- 2020
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23. Meconium microbiome and its relation to neonatal growth and head circumference catch-up in preterm infants.
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Terrazzan Nutricionist AC, Procianoy RS, Roesch LFW, Corso AL, Dobbler PT, and Silveira RC
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- Adult, Biodiversity, Female, Gastrointestinal Microbiome, Gestational Age, Humans, Infant, Newborn, Male, Milk, Human, Multivariate Analysis, Phylogeny, Cephalometry, Infant, Premature growth & development, Meconium microbiology, Microbiota
- Abstract
The purpose was identify an association between meconium microbiome, extra-uterine growth restriction, and head circumference catch-up., Materials and Methods: Prospective study with preterm infants born <33 weeks gestational age (GA), admitted at Neonatal Unit and attending the Follow-Up Preterm Program of a tertiary hospital. Excluded out born infants; presence of congenital malformations or genetic syndromes; congenital infections; HIV-positive mothers; and newborns whose parents or legal guardians did not authorize participation. Approved by the institution's ethics committee. Conducted 16S rRNA sequencing using PGM Ion Torrent meconium samples for microbiota analysis., Results: Included 63 newborns, GA 30±2.3 weeks, mean weight 1375.80±462.6 grams, 68.3% adequate weight for GA at birth. Polynucleobacter (p = 0.0163), Gp1 (p = 0.018), and Prevotella (p = 0.038) appeared in greater abundance in meconium of preterm infants with adequate birth weight for GA. Thirty (47.6%) children reached head circumference catch-up before 6 months CA and 33 (52.4%) after 6 months CA. Salmonella (p<0.001), Flavobacterium (p = 0.026), and Burkholderia (p = 0.026) were found to be more abundant in meconium in the group of newborns who achieved catch-up prior to 6th month CA., Conclusion: Meconium microbiome abundance was related to adequacy of weight for GA. Meconium microbiome differs between children who achieve head circumference catch-up by the 6th month of corrected age or after this period., Competing Interests: The authors have declared that no competing interests exist.
- Published
- 2020
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24. Impact of a pre-feeding oral stimulation program on first feed attempt in preterm infants: Double-blind controlled clinical trial.
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da Rosa Pereira K, Levy DS, Procianoy RS, and Silveira RC
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- Double-Blind Method, Female, Humans, Infant, Newborn, Male, Proportional Hazards Models, Breast Feeding, Feeding Behavior, Infant, Premature physiology, Sucking Behavior physiology
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Objective: To evaluate the effect of an oral stimulation program in preterm on the performance in the first oral feeding, oral feeding skills and transition time from tube to total oral intake., Study Designer: Double-blind randomized clinical trial including very preterm newborns. Congenital malformations, intracranial hemorrhage grade III or IV, bronchopulmonary dysplasia, and necrotizing enterocolitis were excluded. Intervention group (GI) received an oral stimulation program of tactile extra-, peri-, and intraoral tactile manipulation once a day for 15 minutes, during a 10-day period. Control group (GII) received sham procedure with same duration of time. Feeding ability was assessed by a speech-language pathologist blinded to group assignment. The classification of infants' oral performance was determined by Oral Feeding Skills (OFS). Neonates were monitored until hospital discharge., Results: Seventy-four (37 in each group) were randomized. Mean gestational ages and birth weights were 30±1.4 and 30±1.5 weeks, and 1,452±330g and 1,457±353g for intervention and control groups, respectively. Infants in the intervention group had significantly better rates than infants in the control group on: mean proficiency (PRO) (41.5%±18.3 vs. 19.9%±11.6 (p<0.001)), transfer rate (RT) (2.3 mL/min and 1.1 mL/min (p<0.001)) and overall transfer (OT) (57.2%±19.7 and 35.0%±15.7 (p<0.001)). Median transition time from tube to oral feeding was 4 (3-11) and 8 (7-13) days in intervention and control groups, respectively (p = 0.003). Intake of breast milk was found to reduce transition time from tube feeds to exclusive oral feeding (p<0.001, HR 1.01, 95%CI 1.005-1.019), but the impact of the study intervention remained significant (p = 0.007, HR 1.97, 95%CI 1.2-3.2)., Conclusion: Infants who were breast-fed and an oral stimulation program proved beneficial in reducing transition time from tube feeding to oral feeding., Trial Registration: ClinicalTrials.gov number NCT03025815., Competing Interests: The authors have declared that no competing interests exist.
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- 2020
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25. Instruments to assess suicide risk: a systematic review.
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Andreotti ET, Ipuchima JR, Cazella SC, Beria P, Bortoncello CF, Silveira RC, and Ferrão YA
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- Humans, Suicidal Ideation, Psychiatric Status Rating Scales standards, Risk Assessment methods, Suicide
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Introduction: Suicide is an issue of great severity in public health worldwide. This study aimed to investigate which instruments are most frequently used by healthcare professionals to assess suicide risk and how accessible such instruments are, as well as to determine the scope of suicide phenomena., Method: A systematic review was performed using the following Boolean searches: "scale AND suicide," "evaluation AND suicide," "questionnaire AND suicide." The articles retrieved were read and selected by two independent researchers - any discrepancies were addressed by a third researcher., Results: From a total number of 206 articles, 20 instruments were identified as being currently used to assess suicide risk. The two most common were the Beck Scale for Suicide Ideation (BSI) and The Columbia - Suicide Severity Rating Scale (C-SSRS)., Conclusion: Even though the two scales (BSI and C-SSRS) are the most frequently mentioned and used by healthcare professionals to assess suicide risk, both instruments present breaches in their structure and there is not yet a single instrument considered to be the gold standard. As a future perspective, there is the urgency of developing a new tool that can widely and completely assess all psychopathological aspects of suicidality.
- Published
- 2020
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26. Neonatal COVID-19: little evidence and the need for more information.
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Procianoy RS, Silveira RC, Manzoni P, and Sant'Anna G
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- 2020
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27. The challenges of neonatal sepsis management.
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Procianoy RS and Silveira RC
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- Anti-Bacterial Agents therapeutic use, Female, Humans, Infant, Newborn, Vancomycin, Neonatal Sepsis diagnosis, Neonatal Sepsis drug therapy, Neonatal Sepsis etiology
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Objectives: To present current evidence on the etiology, risk factors, diagnosis, and management of early and late neonatal sepsis., Source of Data: Non-systematic review of the Medline (PubMed), Scopus, Web of Science, Cochrane, and Google Scholar databases regarding the following terms: neonatal sepsis, early neonatal sepsis, late neonatal sepsis, empirical antibiotic therapy, sepsis calculator, vancomycin, newborn, preterm newborn., Data Synthesis: Neonatal sepsis is a frequent cause of neonatal morbidity and mortality. Its diagnosis is difficult. Continuous observation of the patient is critical to diagnostic suspicion. When neonatal sepsis is suspected, bacteriological tests should be collected. Vancomycin should not be routinely using in the empirical antibiotic regimen in late neonatal sepsis, and the main protective mechanisms against neonatal sepsis are handwashing and the use of breast milk., Conclusions: Newborns constitute a group that is more vulnerable to sepsis. Knowledge of risk factors and etiological agents allows a better approach to the newborn with sepsis., (Copyright © 2019 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2020
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28. Defining microbial biomarkers for risk of preterm labor.
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de Freitas AS, Dobbler PCT, Mai V, Procianoy RS, Silveira RC, Corso AL, and Roesch LFW
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- Adult, Bacteria isolation & purification, Biomarkers analysis, Brazil, Cohort Studies, Female, High-Throughput Nucleotide Sequencing, Humans, Lactobacillus classification, Obstetric Labor, Premature microbiology, Pregnancy, Prevotella classification, Prevotella pathogenicity, RNA, Ribosomal, 16S, Risk Factors, Young Adult, Bacteria classification, Microbiota, Obstetric Labor, Premature diagnosis, Vagina microbiology
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Preterm birth remains the main contributor to early childhood mortality. The vaginal environment, including microbiota composition, might contribute to the risk of preterm delivery. Alterations in the vaginal microbial community structure might represent a risk factor for preterm birth. Here, we aimed to (a) investigate the association between preterm birth and the vaginal microbial community and (b) identify microbial biomarkers for risk of preterm birth. Microbial DNA was isolated from vaginal swabs in a cohort of 69 women enrolled at hospital admission for their delivery. Microbiota was analyzed by high-throughput 16S rRNA sequencing. While no differences in microbial diversity measures appeared associated with the spontaneous preterm and full-term outcomes, the microbial composition was distinct for these groups. Differential abundance analysis showed Lactobacillus species to be associated with full-term birth whereas an unknown Prevotella species was more abundant in the spontaneous preterm group. Although we studied a very miscegenated population from Brazil, our findings were similar to evidence pointed by other studies in different countries. The role of Lactobacillus species as a protector in the vaginal microbiome is demonstrated to be also a protector of spontaneous preterm outcome whereas the presence of pathogenic species, such as Prevotella spp., is endorsed as a factor of risk for spontaneous preterm delivery.
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- 2020
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29. Influence of own mother's milk and different proportions of formula on intestinal microbiota of very preterm newborns.
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Zanella A, Silveira RC, Roesch LFW, Corso AL, Dobbler PT, Mai V, and Procianoy RS
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- Female, Humans, Infant Nutritional Physiological Phenomena, Infant, Extremely Premature, Infant, Newborn, Mothers, Pregnancy, RNA, Ribosomal, 16S genetics, Gastrointestinal Microbiome genetics, Infant Formula, Milk, Human
- Abstract
Objective: To determine the differences in preterm infants' stool microbiota considering the use of exclusive own mother's milk and formula in different proportions in the first 28 days of life., Methods: The study included newborns with GA ≤ 32 weeks divided in 5 group according the feeding regimen: 7 exclusive own mother's milk, 8 exclusive preterm formula, 16 mixed feeding with >70% own mother's milk, 16 mixed feeding with >70% preterm formula, and 15 mixed 50% own mother's milk and preterm formula. Exclusion criteria: congenital infections, congenital malformations and newborns of drug addicted mothers. Stools were collected weekly during the first 28 days. Microbial DNA extraction, 16S rRNA amplification and sequencing were performed., Results: All groups were similar in perinatal and neonatal data. There were significant differences in microbial community among treatments. Approximately 37% of the variation in distance between microbial communities was explained by use of exclusive own mother´s milk only compared to other diets. The diet composed by exclusive own mother´s milk allowed for greater microbial richness (average of 85 OTUs) while diets based on preferably formula, exclusive formula, preferably maternal milk, and mixed of formula and maternal milk presented an average of 9, 29, 23, and 25 OTUs respectively. The mean proportion of the genus Escherichia and Clostridium was always greater in those containing formula than in the those with maternal milk only., Conclusions: Fecal microbiota in the neonatal period of preterm infants fed with exclusive own mother's milk presented increased richness and differences in microbial composition from those fed with different proportions of formula., Competing Interests: The authors have declared that no competing interests exist.
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- 2019
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30. Prevalence of metabolic syndrome-like in the follow-up of very low birth weight preterm infants and associated factors.
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Heidemann LA, Procianoy RS, and Silveira RC
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- Brazil epidemiology, Child, Preschool, Cross-Sectional Studies, Follow-Up Studies, Humans, Infant, Newborn, Prevalence, Risk Factors, Infant, Premature, Infant, Very Low Birth Weight, Metabolic Syndrome epidemiology
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Objective: To assess the prevalence of metabolic syndrome-like symptoms in a population of preterm infants with very low birth weight (<1500g) at 2 years of corrected age and identify the occurrence of associated risk factors., Methods: Cross-sectional study during a five-year period, including preterm infants born with very low birth weight evaluated at 2 years of corrected age. Metabolic syndrome-like symptoms was defined by the presence of three or more of these criteria: abdominal circumference≥90th percentile, fasting blood glucose≥100mg/dL, triglycerides≥110mg/dL, HDL cholesterol≤40mg/dL, and blood pressure≥90th percentile., Results: A total of 214 preterm infants with birth weight<1500g were evaluated. The prevalence of metabolic syndrome-like symptoms at 2 years of corrected age was 15.1%. Arterial hypertension was present in 57.5%, HDL≤40mg/dL in 29.2%, hypertriglyceridemia in 22.6%, and abdominal circumference above the 90th percentile in 18.8%. Only 3.7% had hyperglycemia. The presence of periventricular leukomalacia was an independent risk factor for arterial hypertension at this age (OR 2.34, 95% CI: 0.079-0.69, p=0.008). Overweight and obesity at 2 years of corrected age were independently associated with metabolic syndrome-like symptoms (OR 2.75, 95% CI: 1.19-6.36, p=0.018)., Conclusion: Metabolic syndrome-like symptoms can be observed in very low birth weight preterm infants as early as 2 years of corrected age. Overweight and early-onset obesity are significant risk factors for metabolic syndrome-like symptoms, which deserves appropriate intervention for this high-risk population., (Copyright © 2018 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2019
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31. Preterm newborn's postnatal growth patterns: how to evaluate them.
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Silveira RC and Procianoy RS
- Subjects
- Female, Humans, Infant Nutritional Physiological Phenomena, Infant, Newborn, Longitudinal Studies, Pregnancy, Growth Charts, Infant, Premature growth & development
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Objectives: There are several factors that influence the postnatal growth of preterm infants. It is crucial to define how to evaluate the growth rate of each preterm child and its individual trajectory, the type of growth curve, either with parameters of prescriptive curves for healthy preterm infants with no morbidities or, in the case of preterm infants and their "bundle of vulnerabilities", growth curves that may represent how they are actually growing, with the aim of directing appropriate nutritional care to each gestational age range., Data Sources: The main studies with growth curves for growth monitoring and the appropriate nutritional adjustments that prioritized the individual trajectory of postnatal growth rate were reviewed. PubMed and Google Scholar were searched., Data Synthesis: The use of longitudinal neonatal data with different gestational ages and considering high and medium-risk pregnancies will probably be essential to evaluate the optimal growth pattern., Conclusions: Prioritizing and knowing the individual growth trajectory of each preterm child is an alternative for preterm infants with less than 33 weeks of gestational age. For larger preterm infants born at gestational age >33 weeks, the Intergrowth 21st curves are adequate., (Copyright © 2018 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2019
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32. Early intervention program for very low birth weight preterm infants and their parents: a study protocol.
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Silveira RC, Mendes EW, Fuentefria RN, Valentini NC, and Procianoy RS
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- Humans, Infant, Newborn, Home Nursing, Parent-Child Relations, Research Design, Randomized Controlled Trials as Topic, Early Intervention, Educational methods, Infant, Premature, Infant, Very Low Birth Weight, Parents
- Abstract
Background: Preterm infants are high risk for delayed neurodevelopment. The main goal is to develop a program of early intervention for very preterm infants that allows families to apply it continuously at home, and quantify the results of early parental stimulation on improvement of cognition and motor skills., Methods: Randomized clinical Trial including inborn preterm infants with gestational age less than 32 weeks or birth weight less than 1500 g at 48 h after birth. Eligible for begin the intervention up to 7 days after birth. Study Protocol approved by the Brazilian national Committee of ethics in Research and by the institutional ethics committee. Intervention group (IG): skin-to skin care by mother (kangaroo care) plus tactile-kinesthetic stimulation by mothers from randomization until hospital discharge when they receive a program of early intervention with 10 parents' orientation and a total of 10 home visits independently of the standard evaluation and care that will be performed. Systematic early intervention program will be according to developmental milestones, anticipating in a month evolutionary step acquisition of motor and / or cognitive expected for corrected age. Active comparator with a Conventional Group (CG): standard care according to the routine care of the NICU and their needs in the follow up program. Neurodevelopment outcome with blinded evaluations in both groups between 12 and 18 months by Bayley Scales of Infant and Toddler Development third edition and Alberta Motor Infant scale will be performed. All evaluations will be conducted in the presence of parents or caregivers in a safe room for the child move around during the evaluation., Discussion: If we can show that a continuous and global early intervention at home performed by low income families is better than the standard care for very preterm infants, this kind of program may be applied elsewhere in the world. We received grants by Bill and Melinda Gates Foundation, DECIT, Cnpq and Health Ministry. Grand Challenges Brazil: All Children Thriving., Trial Registration: The study was restrospectively registered in ClinicalTrials.gov . in July 15 2016 ( NCT02835612 ).
- Published
- 2018
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33. Clinical and Neurophysiological Features of Leprosy Patients with Neuropathic Pain.
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Giesel LM, Pitta IJR, da Silveira RC, Andrade LR, Vital RT, Nery JADC, Hacker MAVB, Sarno EN, and Rodrigues MMJ
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- Adult, Aged, Female, Humans, Leprosy epidemiology, Leprosy physiopathology, Leprosy, Multibacillary complications, Leprosy, Multibacillary epidemiology, Leprosy, Multibacillary physiopathology, Male, Middle Aged, Motor Disorders epidemiology, Motor Disorders etiology, Neural Conduction physiology, Neuralgia epidemiology, Neuralgia etiology, Pain, Pain Measurement, Sensation Disorders epidemiology, Sensation Disorders etiology, Young Adult, Leprosy complications, Neuralgia physiopathology
- Abstract
Neural pain is a frequent symptom in leprosy disease. There is a paucity of data regarding neural pain diagnostics resulting in common prescriptive errors when neuritis is confused with neuropathic or mixed nociceptive-neuropathic pain. The present study identified important demographic, clinical, and neurophysiological features of 42 leprosy neuropathy patients presenting neuropathic pain (NP). During routine evaluations, patients were selected asking if they had ever experienced neural pain. Data analyses of their pain characteristics, clinical examination results, and both the Douleur Neuropathique 4 Questionnaire and Hamilton Depression Scale scores were used to classify these patients. The most common word they used to describe the sensation of pain for 25 (60%) of these patients was "burning." In the early stages of the disease and before leprosy diagnosis, 19 (45%) had already complained about NP and leprosy treatment was unable to prevent its occurrence in 15 (36%). Leprosy reactions, considered NP risk factors, occurred in 32 (76%) cases. Knowledge of typical NP characteristics could be used to develop more effective therapeutic approaches for a notoriously difficult-to-treat pain condition.
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- 2018
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34. Preterm Neonates with Respiratory Distress Syndrome: Ventilator-Induced Lung Injury and Oxidative Stress.
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Carvalho CG, Procianoy RS, Neto EC, and Silveira RC
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- Cohort Studies, Cytokines blood, Cytokines metabolism, Female, Humans, Infant, Newborn, Inflammation Mediators metabolism, Lung metabolism, Lung pathology, Male, Prospective Studies, Respiration, Artificial, Oxidative Stress, Oxygen physiology, Respiratory Distress Syndrome, Newborn immunology, Ventilator-Induced Lung Injury immunology
- Abstract
Ventilator-induced lung injury is well recognized, and appropriate arterial saturation target is unknown, so gentle modes of ventilation and minimizing oxidative stress have been well studied. Our objective was to analyze any association between the oxygen levels at blood sampling and plasma levels of the interleukins IL-6, IL-1 β , IL-10, and IL-8 and TNF- α in preterm newborns under mechanical ventilation (MV) in their first two days. Methods . Prospective cohort including neonates with severe respiratory distress. Blood samples were collected right before and 2 hours after invasive MV. For analysis purposes, newborns were separated according to oxygen requirement: low oxygen (≤30%) and high oxygen (>30%) groups. Interleukins were measured using a commercially available kit. Results . 20 neonates (gestational age 32.2 ± 3 weeks) were evaluated. Median O
2 saturation levels pre-MV were not different in both oxygen groups. In the high oxygen group, IL-6, IL-8, and TNF- α plasma levels increased significantly after two hours under MV. Conclusions . Despite the small sample studied, data showed that there is a relationship between VILI, proinflammatory cytokines, and oxygen-induced lung injury, but a study considering oxidative marker measurements is needed. It seems that less oxygen may keep safer saturation targets playing a less harmful role.- Published
- 2018
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35. Low Microbial Diversity and Abnormal Microbial Succession Is Associated with Necrotizing Enterocolitis in Preterm Infants.
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Dobbler PT, Procianoy RS, Mai V, Silveira RC, Corso AL, Rojas BS, and Roesch LFW
- Abstract
Despite increased efforts, the diverse etiologies of Necrotizing Enterocolitis (NEC) have remained largely elusive. Clinical predictors of NEC remain ill-defined and currently lack sufficient specificity. The development of a thorough understanding of initial gut microbiota colonization pattern in preterm infants might help to improve early detection or prediction of NEC and its associated morbidities. Here we compared the fecal microbiota successions, microbial diversity, abundance and structure of newborns that developed NEC with preterm controls. A 16S rRNA based microbiota analysis was conducted in a total of 132 fecal samples that included the first stool (meconium) up until the 5th week of life or NEC diagnosis from 40 preterm babies (29 controls and 11 NEC cases). A single phylotype matching closest to the Enterobacteriaceae family correlated strongly with NEC. In DNA from the sample with the greatest abundance of this phylotype additional shotgun metagenomic sequencing revealed Citrobacter koseri and Klebsiella pneumoniae as the dominating taxa. These two taxa might represent suitable microbial biomarker targets for early diagnosis of NEC. In NEC cases, we further detected lower microbial diversity and an abnormal succession of the microbial community before NEC diagnosis. Finally, we also detected a disruption in anaerobic microorganisms in the co-occurrence network of meconium samples from NEC cases. Our data suggest that a strong dominance of Citrobacter koseri and/or Klebsiella pneumoniae , low diversity, low abundance of Lactobacillus , as well as an altered microbial-network structure during the first days of life, correlate with NEC risk in preterm infants. Confirmation of these findings in other hospitals might facilitate the development of a microbiota based screening approach for early detection of NEC.
- Published
- 2017
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36. Motor development of preterm infants assessed by the Alberta Infant Motor Scale: systematic review article.
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Fuentefria RDN, Silveira RC, and Procianoy RS
- Subjects
- Humans, Infant, Newborn, Child Development physiology, Infant, Premature physiology, Motor Skills physiology, Motor Skills Disorders diagnosis
- Abstract
Objective: Premature newborns are considered at risk for motor development deficits, leading to the need for monitoring in early life. The aim of this study was to systematically review the literature about gross motor development of preterm infants, assessed by the Alberta Infant Motor Scale (AIMS) to identify the main outcomes in development., Data Source: Systematic review of studies published from 2006 to 2015, indexed in Pubmed, Scielo, Lilacs, and Medline databases in English and Portuguese. The search strategy included the keywords: Alberta Infant Motor Scale, prematurity, preterm, motor development, postural control, and follow-up., Data Summary: A total of 101 articles were identified and 23 were selected, according to the inclusion criteria. The ages of the children assessed in the studies varied, including the first 6 months up to 15 or 18 months of corrected age. The percentage variation in motor delay was identified in the motor outcome descriptions of ten studies, ranging from 4% to 53%, depending on the age when the infant was assessed. The studies show significant differences in the motor development of preterm and full-term infants, with a description of lower gross scores in the AIMS results of preterm infants., Conclusions: It is essential that the follow-up services of at-risk infants have assessment strategies and monitoring of gross motor development of preterm infants; AIMS is an assessment tool indicated to identify atypical motor development in this population., (Copyright © 2017. Published by Elsevier Editora Ltda.)
- Published
- 2017
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37. Diversity and composition of vaginal microbiota of pregnant women at risk for transmitting Group B Streptococcus treated with intrapartum penicillin.
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Roesch LF, Silveira RC, Corso AL, Dobbler PT, Mai V, Rojas BS, Laureano ÁM, and Procianoy RS
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- Antibiotic Prophylaxis, Bacterial Load, Female, Humans, Penicillins therapeutic use, Pregnancy, Pregnancy Complications, Infectious drug therapy, RNA, Ribosomal, 16S genetics, Streptococcal Infections drug therapy, Streptococcus agalactiae, Biodiversity, Microbiota, Pregnancy Complications, Infectious microbiology, Streptococcal Infections microbiology, Streptococcal Infections transmission, Vagina microbiology
- Abstract
Background: Administering intravenous antibiotics during labor to women at risk for transmitting Group B Streptococcus (GBS) can prevent infections in newborns. However, the impact of intrapartum antibiotic prophylaxis on mothers' microbial community composition is largely unknown. We compared vaginal microbial composition in pregnant women experiencing preterm birth at ≤ 32 weeks gestation that received intrapartum antibiotic prophylaxis with that in controls., Methods: Microbiota in vaginal swabs collected shortly before delivery from GBS positive women that received penicillin intravenously during labor or after premature rupture of membranes was compared to controls. Microbiota was analyzed by 16S rRNA sequencing using the PGM Ion Torrent to determine the effects of penicillin use during hospitalization and GBS status on its composition., Results: Penicillin administration was associated with an altered vaginal microbial community composition characterized by increased microbial diversity. Lactobacillus sp. contributed only 13.1% of the total community in the women that received penicillin compared to 88.1% in the controls. Streptococcus sp. were present in higher abundance in GBS positive woman compared to controls, with 60% of the total vaginal microbiota in severe cases identified as Streptococcus sp., Conclusions: Vaginal communities of healthy pregnant women were dominated by Lactobacillus sp. and contained low diversity, while Group B Streptococcus positive women receiving intrapartum antibiotic prophylaxis had a modified vaginal microbiota composition with low abundance of Lactobacillus but higher microbial diversity., Competing Interests: The authors have declared that no competing interests exist.
- Published
- 2017
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38. Effectiveness of Traditional Chinese Acupuncture versus Sham Acupuncture: a Systematic Review.
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Carlos L Lopes-Júnior, Cruz LA, Leopoldo VC, Campos FR, Almeida AM, and Silveira RC
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- Breast Neoplasms complications, Female, Hot Flashes etiology, Humans, Menopause, Placebos, Randomized Controlled Trials as Topic, Treatment Outcome, Acupuncture Therapy, Hot Flashes therapy, Medicine, Chinese Traditional
- Abstract
Objective: to identify and synthesize the evidence from randomized clinical trials that tested the effectiveness of traditional Chinese acupuncture in relation to sham acupuncture for the treatment of hot flashes in menopausal women with breast cancer., Method: systematic review guided by the recommendations of the Cochrane Collaboration. Citations were searched in the following databases: MEDLINE via PubMed, Web of Science, CENTRAL, CINAHL, and LILACS. A combination of the following keywords was used: breast neoplasm, acupuncture, acupuncture therapy, acupuncture points, placebos, sham treatment, hot flashes, hot flushes, menopause, climacteric, and vasomotor symptoms., Results: a total of 272 studies were identified, five of which were selected and analyzed. Slight superiority of traditional acupuncture compared with sham acupuncture was observed; however, there were no strong statistical associations., Conclusions: the evidence gathered was not sufficient to affirm the effectiveness of traditional acupuncture compared with sham acupuncture., Objetivo: identificar e sintetizar as evidências oriundas de ensaios clínicos randomizados que testaram a efetividade da acupuntura tradicional chinesa em relação à sham acupuntura para o tratamento dos fogachos em mulheres com câncer de mama no climatério., Método: revisão sistemática guiada pelas recomendações da Colaboração Cochrane. A busca foi realizada nas bases de dados: MEDLINE via PubMed, Web of Science, CENTRAL Cochrane, CINAHL e LILACS. Adotou-se a combinação dos descritores: breast neoplasm, acupuncture, acupuncture therapy, acupuncture points, placebos, sham treatment, hot flashes, hot flushes, menopause, climacteric, vasomotor symptoms., Resultados: foram identificados 272 estudos, sendo 5 selecionados e analisados. Foi observada discreta superioridade da acupuntura tradicional em relação à sham, entretanto, sem fortes associações estatísticas., Conclusões: as evidências obtidas não foram suficientes para afirmar quanto à efetividade da acupuntura tradicional em relação à sham., Objetivo: Identificar y sintetizar la evidencia de un ensayo clínico aleatorizado que examinó la eficacia de la acupuntura tradicional en relación a la acupuntura sham para el tratamiento de sofocos en las mujeres menopáusicas con cáncer de mama., Método: Revisión sistemática guiada por las recomendaciones de la Colaboración Cochrane. Las referencias bibliográficas se buscaron en las siguientes bases de datos: MEDLINE vía PubMed, Web of Science, Cochrane Central Register of Controlled Trials (CENTRAL), CINAHL y LILACS. Se utilizó una combinación de las siguientes palabras clave: breast neoplasm, acupuncture, acupuncture therapy, acupuncture points, placebos, sham treatment, hot flashes, hot flushes, menopause, climacteric, vasomotor symptoms., Resultados: Se identificó un total de 272 estudios, cinco de los cuales fueron seleccionados y analizados. Se encontró una ligera superioridad de la acupuntura tradicional comparada con la acupuntura sham; sin embargo, no se encontraron asociaciones estadísticas fuertes., Conclusiones: La evidencia obtenida no fue suficiente para confirmar la eficacia de la acupuntura tradicional comparada con la acupuntura sham.
- Published
- 2016
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39. Instruments used in the assessment of expectation toward a spine surgery: an integrative review.
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Nepomuceno E, Silveira RC, Dessotte CA, Furuya RK, Arantes EC, Cunha DC, and Dantas RA
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- Humans, Orthopedic Procedures psychology, Patient Preference, Self Report, Spine surgery
- Abstract
Objective: To identify and describe the instruments used to assess patients' expectations toward spine surgery., Method: An integrative review was carried out in the databases PubMed, CINAHL, LILACS and PsycINFO., Results: A total of 4,402 publications were identified, of which 25 met the selection criteria. Of the studies selected, only three used tools that had confirmed validity and reliability to be applied; in five studies, clinical scores were used, and were modified for the assessment of patients' expectations, and in 17 studies the researchers developed scales without an adequate description of the method used for their development and validation., Conclusion: The assessment of patients' expectations has been methodologically conducted in different ways. Until the completion of this integrative review, only two valid and reliable instruments had been used in three of the selected studies., Objetivo: Identificar e descrever os instrumentos usados para avaliar a expectativa dos pacientes diante do tratamento cirúrgico da coluna vertebral., Método: Revisão Integrativa realizada nas bases de dados PubMed, CINAHL, LILACS e PsycINFO., Resultados: Identificamos 4.402 publicações, das quais 25 atenderam aos critérios de seleção. Dos estudos selecionados, apenas em três os autores utilizaram instrumentos que possuíam validade e confiabilidade confirmadas para serem aplicados; em cinco estudos foram utilizados escores clínicos, modificados para a avaliação das expectativas dos pacientes, e em dezessete os pesquisadores elaboraram escalas sem adequada descrição do método usado para o seu desenvolvimento e validação., Conclusão: A avaliação das expectativas dos pacientes tem sido metodologicamente conduzida de diferentes maneiras. Até a finalização desta revisão integrativa, apenas dois instrumentos, válidos e confiáveis, haviam sido utilizados em três dos estudos selecionados.
- Published
- 2016
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40. Risk factors associated with growth failure in the follow-up of very low birth weight newborns.
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Rover MM, Viera CS, Silveira RC, Guimarães AT, and Grassiolli S
- Subjects
- Birth Weight, Female, Follow-Up Studies, Growth Disorders diagnosis, Humans, Infant, Newborn, Male, Risk Factors, Sensitivity and Specificity, Growth Disorders etiology, Infant, Premature growth & development, Infant, Very Low Birth Weight growth & development
- Abstract
Objective: To determine risk factors during neonatal hospital stay and follow-up associated with failure to thrive in the first year of life of very low birth weight newborns., Methods: Study of preterm very low birth weight newborns followed from 2006 to 2013 in a public institutional hospital program. The study included newborns that attended at least one appointment in each of the three periods: Period I, up to 3 months of corrected age (CA); Period II, 4-6 months of CA; and Period III, 7-12 months of CA. The variables were analyzed by logistic regression with XLSTAT 2014 software (Microsoft®, WA, USA). Failure to thrive (Z-score below -2 SD) was classified as a dichotomous dependent variable (0 - failure/1 - success), while the other variables were classified as explanatory variables for the hospitalization periods and for each of the follow-up periods (I, II, and III)., Results: Children born adequate for gestational age increased the chance of Z-score for weight at discharge>-2 SD (OR=10.217; 95% CI: 1.117-93.436). Metabolic bone disease and retinopathy of prematurity in Period I, as well as hospital readmissions in Periods II and III during follow-up increased the chance of Z-score<-2 SD., Conclusion: Failure to thrive is influenced by intrauterine factors and, subsequently, by several morbidities, both in the birth and hospitalization period, as well as in the post-discharge period and thus, such variables should be prioritized in the follow-up., (Copyright © 2016 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2016
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41. Effect of Silanization on Microtensile Bond Strength of Different Resin Cements to a Lithium Disilicate Glass Ceramic.
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Gré CP, de Ré Silveira RC, Shibata S, Lago CT, and Vieira LC
- Subjects
- Acid Etching, Dental, Adhesiveness, Dental Stress Analysis, Materials Testing, Surface Properties, Ceramics chemistry, Dental Bonding methods, Dental Porcelain, Resin Cements chemistry
- Abstract
Aim: This study evaluated the influence of a silane-coupling agent on the bond strength of a self-adhesive cement and a conventional resin cement to a lithium disilicate glass ceramic., Materials and Methods: A total of eight ceramic blocks were fabricated and divided into four groups (n = 2). In groups 1 and 3, ceramic surfaces were etched with hydrofluoric acid 10% for 20 seconds, rinsed for 30 seconds, and air-dried. One layer of a silane agent was applied onto all ceramic specimens and air-dried for 30 seconds. In groups 2 and 4, ceramic surfaces were etched with hydrofluoric acid, rinsed, and air-dried without application of the silane-coupling agent. The ceramic blocks were bonded to a block of composite with a self-adhesive resin cement or with a conventional resin cement, according to the manufacturer's instructions. After 24 hours in distilled water at 37°C, the specimens were sectioned perpendicular to the bonding interface area to obtain beams with a bonding area of 0.8 mm(2) and submitted to a microtensile bond strength test at a crosshead speed of 0.5 mm/min. Data were statistically analyzed with one-way analysis of variance and the Games-Howell post hoc test (p = 0.05). Fractured specimens were examined under optical microscopy at 40x magnification., Results: Silanization resulted in higher microtensile bond strength compared to groups without silane. No significant differences were found between the conventional resin cement and the self-adhesive resin cement with silane agent (p = 0.983), and without silane agent (p = 0.877)., Conclusion: Silanization appears to be crucial for resin bonding to a lithium disilicate-based ceramic, regardless of the resin cement used. The self-adhesive resin cement performed as well as the conventional resin cement., Clinical Significance: Applying one layer of a silane-coupling agent after etching the ceramic surface with hydrofluoric acid 10% enhanced the bond strength between resin cements and a glass ceramic.
- Published
- 2016
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42. Hypothermia therapy for newborns with hypoxic ischemic encephalopathy.
- Author
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Silveira RC and Procianoy RS
- Subjects
- Asphyxia Neonatorum therapy, Humans, Hypothermia, Induced adverse effects, Hypoxia-Ischemia, Brain physiopathology, Infant, Newborn, Term Birth, Treatment Outcome, Hypothermia, Induced methods, Hypoxia-Ischemia, Brain therapy
- Abstract
Objective: Therapeutic hypothermia reduces cerebral injury and improves the neurological outcome secondary to hypoxic ischemic encephalopathy in newborns. It has been indicated for asphyxiated full-term or near-term newborn infants with clinical signs of hypoxic-ischemic encephalopathy (HIE)., Sources: A search was performed for articles on therapeutic hypothermia in newborns with perinatal asphyxia in PubMed; the authors chose those considered most significant., Summary of the Findings: There are two therapeutic hypothermia methods: selective head cooling and total body cooling. The target body temperature is 34.5 °C for selective head cooling and 33.5 °C for total body cooling. Temperatures lower than 32 °C are less neuroprotective, and temperatures below 30 °C are very dangerous, with severe complications. Therapeutic hypothermia must start within the first 6h after birth, as studies have shown that this represents the therapeutic window for the hypoxic-ischemic event. Therapy must be maintained for 72 h, with very strict control of the newborn's body temperature. It has been shown that therapeutic hypothermia is effective in reducing neurologic impairment, especially in full-term or near-term newborns with moderate hypoxic-ischemic encephalopathy., Conclusion: Therapeutic hypothermia is a neuroprotective technique indicated for newborn infants with perinatal asphyxia and hypoxic-ischemic encephalopathy., (Copyright © 2015 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2015
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43. In Vitro Fit and Cementation Resistance of Provisional Crowns for Single Implant-Supported Restorations.
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Moris IC, Oliveira JE, Faria AC, Ribeiro RF, and Rodrigues RC
- Subjects
- Humans, In Vitro Techniques, Crowns, Dental Implants, Single-Tooth, Dental Prosthesis, Implant-Supported
- Abstract
This study aimed to verify marginal fit and the effect of cement film thickness standardization on retention of provisional crowns made with prefabricated acrylic cylinders on abutments, using two temporary luting agents subjected or not to mechanical cycling. Provisional crowns were made from bis-acryl (Luxatemp Fluorescence) or methyl methacrylate (Duralay) resins on acrylic cylinders and marginal fit and cement film thickness were evaluated. For retention evaluation, crowns were cemented with two temporary luting agents: non-eugenol zinc oxide (Tempbond NE) or calcium hydroxide-based (Hydcal) cements and subjected to tensile strength in a universal testing machine. After cleaning, debonded crowns were cemented again, subjected to mechanical cycling and retention was reassessed. The results of marginal fit and cement film thickness were analyzed by Student's t-test while retention of cements before and after mechanical cycling was analyzed using a mixed linear model. Methyl methacrylate crowns presented greater marginal misfit (p=0.001) and occlusal cement film thickness (p=0.003) than the bis-acryl ones. No difference was observed at axial cement film thickness (p=0.606). Resins (p=0.281) did not affect crown retention, but luting agents (p=0.029) and mechanical cycling (p=0.027) showed significant effects. The only significant interaction was mechanical cycling*luting agents, which means that luting agents were differently affected by mechanical cycling (p=0.002). In conclusion, the results showed that bis-acryl resin associated to calcium-hydroxide luting agent provided the best retention and lower cement thickness.
- Published
- 2015
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44. Association of late-onset neonatal sepsis with late neurodevelopment in the first two years of life of preterm infants with very low birth weight.
- Author
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Hentges CR, Silveira RC, Procianoy RS, Carvalho CG, Filipouski GR, Fuentefria RN, Marquezotti F, and Terrazan AC
- Subjects
- Cohort Studies, Female, Gestational Age, Gram-Negative Bacterial Infections microbiology, Gram-Negative Bacterial Infections mortality, Gram-Positive Bacterial Infections microbiology, Gram-Positive Bacterial Infections mortality, Humans, Infant Mortality, Infant, Newborn, Male, Multivariate Analysis, Prospective Studies, Sepsis mortality, Developmental Disabilities microbiology, Infant, Premature, Infant, Very Low Birth Weight, Motor Skills Disorders microbiology, Sepsis microbiology
- Abstract
Objective: To establish the influence of late-onset sepsis on neurodevelopment of preterm infants with very low birth weight (VLBW), according to the etiologic agent., Method: This was a cohort of newborns with birth weight<1,500 g and gestational age less than 32 weeks, admitted to the institutional intensive care unit (ICU) with up to 48 hours of life, and followed-up at the outpatient follow-up clinic for preterm infants with VLBW until 2 years of corrected age., Exclusion Criteria: death within the first 72 hours of life, congenital malformations and genetic syndromes, children with congenital infection by the human immunodeficiency virus (HIV), congenital infection (STORCH), presence of early-onset sepsis and cases with more than one pathogen growth in blood cultures. Septic and non-septic infants were compared regarding neonatal outcomes and mortality. Neurodevelopment was assessed using the Bayley Scale (BSDI-II) at 18 to 24 months of corrected age., Results: 411 preterm infants with VLBW were eligible; the mean gestational age was 29 ± 2.2 weeks and mean birth weight was 1,041 ± 281 grams. Late-onset sepsis occurred in 94 preterm infants with VLBW (22.8%). VLBW infants with Gram-positive infection showed motor deficit when compared to the non-septic group, 68.8% vs. 29.3%, respectively (OR 6; 1.6-21.8, p=0.006); the cognitive development was similar between the groups. The overall mortality rate from infection was 26.7%; considering the pathogens, the rates were 18.7% for coagulase-negative Staphylococcus, 21.8% for Gram-positive bacteria, and 50% for Gram-negative bacteria and fungi., Conclusion: Neonatal sepsis has a significant influence on late neurodevelopment at 2 years of corrected age in preterm infants with VLBW, and Gram-positive infections are associated with motor deficit., (Copyright © 2013 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.)
- Published
- 2014
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45. Ventilator-induced lung injury in preterm infants.
- Author
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Carvalho CG, Silveira RC, and Procianoy RS
- Subjects
- Animals, Bronchopulmonary Dysplasia physiopathology, Bronchopulmonary Dysplasia prevention & control, Continuous Positive Airway Pressure adverse effects, Continuous Positive Airway Pressure methods, Cytokines metabolism, Humans, Infant, Newborn, Infant, Premature, Inflammation etiology, Inflammation physiopathology, Inflammation prevention & control, Pulmonary Surfactants administration & dosage, Tidal Volume physiology, Time Factors, Ventilator-Induced Lung Injury epidemiology, Ventilator-Induced Lung Injury prevention & control, Bronchopulmonary Dysplasia etiology, Respiration, Artificial adverse effects, Ventilator-Induced Lung Injury physiopathology
- Abstract
In preterm infants, the need for intubation and mechanical ventilation is associated with ventilator-induced lung injuries and subsequent bronchopulmonary dysplasia. The aim of the present review was to improve the understanding of the mechanisms of injury that involve cytokine-mediated inflammation to contribute to the development of new preventive strategies. Relevant articles were retrieved from the PubMed database using the search terms "ventilator-induced lung injury preterm", "continuous positive airway pressure", "preterm", and "bronchopulmonary dysplasia". The resulting data and other relevant information were divided into several topics to ensure a thorough, critical view of ventilation-induced lung injury and its consequences in preterm infants. The role of pro-inflammatory cytokines (particularly interleukins 6 and 8 and tumor necrosis factor alpha) as mediators of lung injury was assessed. Evidence from studies conducted with animals and human newborns is described. This evidence shows that brief periods of mechanical ventilation is sufficient to induce the release of pro-inflammatory cytokines. Other forms of mechanical and non-invasive ventilation were also analyzed as protective alternatives to conventional mechanical ventilation. It was concluded that non-invasive ventilation, intubation followed by early surfactant administration and quick extubation for nasal continuous positive airway pressure, and strategies that regulate tidal volume and avoid volutrauma (such as volume guarantee ventilation) protect against ventilator-induced lung injury in preterm infants.
- Published
- 2013
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46. Importance of a distal proximal contact on load transfer by implant-supported single adjacent crowns in posterior region of the mandible: a photoelastic study.
- Author
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Aguiar Júnior FA, Tiossi R, Macedo AP, Mattos Mda G, Ribeiro RF, and Rodrigues RC
- Subjects
- Biomechanical Phenomena, Bite Force, Dental Occlusion, Dental Stress Analysis, Elasticity, Humans, Models, Dental, Molar, Stress, Mechanical, Crowns, Dental Implants, Dental Prosthesis, Implant-Supported, Mandible
- Abstract
Objective: This study aimed to evaluate the importance of a distal proximal contact on the load transfer to the posterior region of the mandible by non-splinted adjacent implant-supported crowns using photoelastic stress analysis., Material and Methods: A rectangular model (68x30x15 mm) was made of polymethylmethacrylate resin to simulate half of the mandibular arch. One model was completed with resin replicas representing the first premolar and second molar and with two 3.75 mm dia.x11 mm internal hexagon threaded implants replacing the second premolar and first molar. The other model was manufactured in the same way but without the second molar. Both models were duplicated using photoelastic resin. The roots of the teeth replicas were covered with a layer of polyether impression material to simulate the periodontal ligament. Two different vertical loads were applied to the crowns as follows: 1 - single static point load alternately applied to the crowns replacing the second premolar and first molar (50 N); 2 - simultaneous static point loads applied to both of the crowns replacing the second premolar and first molar (100 N). The resulting isochromatic fringe pattern in the photoelastic model was monitored and photographed., Results: All loading conditions studied showed that the presence of the second molar has changed the load transmission and the pattern of stresses., Conclusion: Results showed that the presence of a second molar proximal contact can help minimize the stresses around the implants.
- Published
- 2013
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47. Acupuncture for anxiety in lactating mothers with preterm infants: a randomized controlled trial.
- Author
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Haddad-Rodrigues M, Spanó Nakano AM, Stefanello J, and Campos Pereira Silveira RC
- Abstract
The purpose of this study was to evaluate the effect of acupuncture versus placebo acupuncture on anxiety in lactating mothers with preterm infants. A parallel, randomized, patient-assessor blind, placebo-controlled trial was conducted in a tertiary school hospital in Londrina, Brazil, between 2011 and 2012. Mothers (n = 29) with very low birth weight infants born at this institution were randomly assigned to two treatment groups: acupuncture, AG (n = 14), or placebo acupuncture, PG (n = 15). Treatment sessions occurred once a week, using 5 Chinese auricular points unilaterally. The primary outcome measure was STAI-State scores, and secondary outcome measure was salivary cortisol levels. Both measures were collected before and after treatment and submitted to a blind assessor. Before-after treatment mean difference in STAI-State scores was observed in both groups (AG = 8.71 and PG = 8.20), not statistically significant (P = 0.888), although within group analysis was significant for both groups (P < 0.005). Salivary cortisol levels did not change after treatment in both groups (P = 0.480). There was no correlation between STAI and salivary cortisol results. At infant's hospital discharge, 76% subjects were breastfeeding exclusively. There was no difference between real and placebo acupuncture for anxiety in mothers with preterm infants.
- Published
- 2013
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48. Oral glucose for pain relief during examination for retinopathy of prematurity: a masked randomized clinical trial.
- Author
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Costa MC, Eckert GU, Fortes BG, Fortes Filho JB, Silveira RC, and Procianoy RS
- Subjects
- Administration, Oral, Analgesics pharmacology, Analysis of Variance, Female, Glucose pharmacology, Humans, Infant, Newborn, Pain Measurement, Time Factors, Treatment Outcome, Analgesics administration & dosage, Eye drug effects, Eye Pain prevention & control, Glucose administration & dosage, Retinopathy of Prematurity diagnosis
- Abstract
Objective: Ophthalmologic examination for retinopathy of prematurity is a painful procedure. Pharmacological and non-pharmacological interventions have been proposed to reduce pain during eye examinations. This study aims to evaluate the analgesic effect of 25% glucose using a validated pain scale during the first eye examination for retinopathy of prematurity in preterm infants with birth weight <1,500 g and/or gestational age <32 weeks., Methods: A masked, randomized clinical trial for one dose of 1 ml of oral 25% glucose solution 2 minutes before the first ophthalmologic examination for retinopathy of prematurity was conducted between March 2008 and April 2010. The results were compared to those of a control group that did not receive oral glucose solution. Pain was evaluated using a Neonatal Infant Pain Scale immediately before and immediately after the ophthalmologic examination in both groups. Clinicaltrials.gov: NCT00648687, Results: One hundred and twenty-four patients who were examined for the first time for retinopathy of prematurity were included. Seventy were included in the intervention group and 54 in the control group. The number of patients with pain immediately before the procedure was similar in both groups. The number of patients with pain after ophthalmologic examination was 15.7% in the intervention group and 68.5% in the control group (p<0.001)., Conclusions: One ml of oral 25% glucose solution given 2 minutes before an ophthalmologic examination for retinopathy of prematurity was an effective measure for pain relief.
- Published
- 2013
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49. Effect of whitening toothpaste on titanium and titanium alloy surfaces.
- Author
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Faria AC, Bordin AR, Pedrazzi V, Rodrigues RC, and Ribeiro RF
- Subjects
- Analysis of Variance, Hardness Tests, Humans, Hydrogen-Ion Concentration, Materials Testing, Microscopy, Electron, Scanning, Surface Properties, Time Factors, Dental Alloys chemistry, Titanium chemistry, Tooth Bleaching Agents chemistry, Toothbrushing methods, Toothpastes chemistry
- Abstract
Dental implants have increased the use of titanium and titanium alloys in prosthetic applications. Whitening toothpastes with peroxides are available for patients with high aesthetic requirements, but the effect of whitening toothpastes on titanium surfaces is not yet known, although titanium is prone to fluoride ion attack. Thus, the aim of the present study was to compare Ti-5Ta alloy to cp Ti after toothbrushing with whitening and conventional toothpastes. Ti-5Ta (%wt) alloy was melted in an arc melting furnace and compared with cp Ti. Disks and toothbrush heads were embedded in PVC rings to be mounted onto a toothbrushing test apparatus. A total of 260,000 cycles were carried out at 250 cycles/minute under a load of 5 N on samples immersed in toothpaste slurries. Surface roughness and Vickers microhardness were evaluated before and after toothbrushing. One sample of each material/toothpaste was analyzed by Scanning Electron Microscopy (SEM) and compared with a sample that had not been submitted to toothbrushing. Surface roughness increased significantly after toothbrushing, but no differences were noted after toothbrushing with different toothpastes. Toothbrushing did not significantly affect sample microhardness. The results suggest that toothpastes that contain and those that do not contain peroxides in their composition have different effects on cp Ti and Ti-5Ta surfaces. Although no significant difference was noted in the microhardness and roughness of the surfaces brushed with different toothpastes, both toothpastes increased roughness after toothbrushing.
- Published
- 2012
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50. Use of off-label and unlicensed drugs in the neonatal intensive care unit and its association with severity scores.
- Author
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Carvalho CG, Ribeiro MR, Bonilha MM, Fernandes M Jr, Procianoy RS, and Silveira RC
- Subjects
- Brazil, Cohort Studies, Drug Approval statistics & numerical data, Drug Labeling standards, Drug Labeling statistics & numerical data, Female, Humans, Infant, Newborn, Infant, Premature, Length of Stay, Male, Off-Label Use standards, Practice Patterns, Physicians' standards, Practice Patterns, Physicians' statistics & numerical data, Prescription Drugs administration & dosage, Severity of Illness Index, Hospitalization statistics & numerical data, Intensive Care Units, Neonatal statistics & numerical data, Off-Label Use statistics & numerical data
- Abstract
Objective: To analyze the frequency of unlicensed (UL) and off-label (OL) prescriptions in neonates admitted to the neonatal intensive care unit of a tertiary care hospital and to determine their association with patients' severity., Methods: Observational cohort study including drugs prescribed during hospitalization of neonates over a 6-week period between July and August 2011. The drugs were classified as UL and OL for dose, frequency, presentation, age group, or indication, according to an electronic list of drugs approved by the Food and Drug Administration. Patients were followed until hospital discharge or 31 days of hospitalization, with daily records of the Neonatal Therapeutic Intervention Scoring System (NTISS)., Results: We identified 318 prescription items for 61 patients (average of five items/patient); there were only 13 patients with appropriate use of medications (21%). A prevalence of 7.5% was identified for UL prescriptions and 27.7% for OL, and the most prevalent OL use was that related to age group - 19.5%. Fifty-seven medications were computed - one patient received 10 UL/OL drugs during hospitalization. The prevalence of OL uses was higher in preterm infants < 35 weeks and in those with higher severity scores (p = 0.00)., Conclusions: The prevalence of neonates exposed to UL/OL drugs during hospitalization was high, especially for those with higher NTISS scores. Although there is general appreciation that neonates, especially preterm infants, have a high rate of drug use, an assessment including different cultures and countries is still needed to prioritize areas for future research in the pharmacotherapy of this vulnerable population.
- Published
- 2012
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