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Objectives: Obesity is a known risk factor for adverse pregnancy outcomes; however, appropriate gestational weight gain (GWG) may mitigate these risks. We investigated whether the singular 2009 Institute of Medicine (IOM) GWG guidelines were appropriate for all women with obesity, or whether separate recommendations were needed by class., Methods: This cross-sectional study of pregnant women with obesity used 2014 U.S. birth certificate data (N=646,642) and included only term pregnancies. Adjusted log-binomial regression models examined the relative risk of adverse maternal, obstetric, and neonatal outcomes for pregnant women with class I-III obesity who: lost weight during pregnancy, gained below IOM guidelines, or gained above IOM guidelines, compared to women who gained within IOM guidelines., Results: Most women (55.1; 95% CI: 55.0-55.3) gained above IOM guidelines. As BMI severity increased, significantly fewer women had excessive GWG (Class I: 61.6%, 95% CI: 61.4-61.7; II: 50.7%, 95% CI: 50.4-50.9; III: 41.1%, 95% CI: 40.8-41.4). All classes of women with obesity who lost weight during pregnancy or gained below had a significantly decreased risk for caesarean delivery (RR (95% CI) class I: 0.92 (0.90-0.94); II: 0.91 (0.89-0.93); III: 0.92 (0.90-0.93)) and large-for-gestational age (LGA) births (class I: 0.80 (0.77-0.83); II: 0.76 (0.73-0.78); III: 0.73 (0.70-0.75)), but significantly increased risk of small-for-gestational age (SGA) births (class I: 1.34 (1.26-1.43); II: 1.38 (1.28-1.49); III: 1.35 (1.24-1.46))., Conclusion: The observed pattern of association was the same for all obese classes, hence evidence supports a possible singular GWG recommendation for all women with obesity, regardless of class., (Copyright © 2019 Asia Oceania Association for the Study of Obesity. Published by Elsevier Ltd. All rights reserved.)

Background: Bilateral sensory permanent hearing loss (PHL) has been reported after neonatal respiratory failure but has rarely been noted in survivors after cardiac operations. We report the prevalence and severity of PHL after Norwood right ventricular-pulmonary artery shunt for hypoplastic left heart syndrome (HLHS), document progressive loss, and explore markers of acute illness and ototoxic medications for PHL., Methods: This interprovincial longitudinal outcome study after neonatal complex cardiac operations at Stollery Children's Hospital, Edmonton, Alberta, Canada, 2002 to 2007, completed repeated diagnostic audiologic assessments for all survivors by registered pediatric-experienced audiologists. Demographic, surgical, and perisurgical variables, including ototoxic medications, were collected. The association of potentially predictive variables with PHL and its severity were determined by univariate analysis and multiple logistic and linear regression analysis., Results: At an age older than 3.5 years, progressive PHL was present in 12 of 42 survivors (28.6%, 95% confidence interval, 16.2% to 44.8%; mortality, 20.9%). Overall lowest partial pressure of arterial oxygen (odds ratio, 1.315; 95% confidence interval, 1.051 to 1.506), and cumulative dose of furosemide given as bolus (odds ratio, 1.062; 95% confidence interval, 1.018 to 1.109) combined to predict PHL and gave 39% of the variance of PHL severity. Antibiotics and neuromuscular blockers were not associated with PHL., Conclusions: Monitoring outcomes of neonates after HLHS surgery revealed unexpected PHL associated with hypoxia and bolus administration of furosemide. As survival improves, close follow-up is necessary to identify outcomes and seek modifiable predictive variables. Changes in the mode of furosemide administration may prevent this complication., (Copyright © 2012 The Society of Thoracic Surgeons. Published by Elsevier Inc. All rights reserved.)

Objective: The purpose of this study was to examine the effects of clinical maternal chorioamnionitis on morbidity and mortality rates among infants who are at < 33 weeks of gestation, adjusted for patient characteristics that included admission neonatal illness severity (Score for Neonatal Acute Physiology, version II; SNAP-II)., Study Design: With multivariate logistic regression analysis, prospectively collected hospital outcomes from the Canadian Neonatal Network of singleton infants with birth gestational age of < 33 weeks and clinical chorioamnionitis were compared retrospectively with nonexposed infants., Results: Of 3094 infants, 477 infants (15.4%) who were exposed to clinical chorioamnionitis had significantly higher admission SNAP-II scores. Bivariate analysis revealed that the neonatal mortality rate was increased significantly in the chorioamnionitis group (10.6% vs 6.1%). Multivariate regression analysis with adjustment for illness severity indicated that chorioamnionitis was associated with an increased risk of early sepsis (odds ratio, 5.54; 95% confidence interval, 2.87-10.69) and severe intraventricular hemorrhage (odds ratio, 1.62; 95% confidence interval, 1.17-2.24) but not neonatal death., Conclusion: Preterm infants who are exposed to clinical chorioamnionitis have an increased risk of early-onset sepsis and severe intraventricular hemorrhage.

Breastfeeding is the optimal method of infant feeding. Breast milk provides almost all the necessary nutrients, growth factors and immunological components a healthy term infant needs, Other advantages of breastfeeding include reduction of incidences and severity of infections; prevention of allergies; possible enhancement of cognitive development; and prevention of obesity, hypertension and insulin-dependent diabetes mellitus. Health gains for breastfeeding mothers include lactation amenorrhea, early involution of the uterus, enhanced bonding between the mother and the infant, and reduction in incidence of ovarian and breast cancer. From the economic perspective, breastfeeding is less expensive than formula feeding. In most cases, maternal ingestion of medications and maternal infections are not contraindications to breastfeeding. Breastfeeding, however, is contraindicated in infants with galactosemia. The management of common breastfeeding issues, such as breast engorgement, sore nipples, mastitis and insufficient milk, is discussed. Breastfeeding should be initiated as soon after delivery as possible. To promote, protect and support breastfeeding, the World Health Organization (WHO) and the United Nations Children's Fund (UNICEF) developed the Baby-Friendly Hospital Initiative (BFHI) 10 Steps to Successful Breastfeeding. Healthcare professionals have an important role to play in promoting and protecting breastfeeding.

Objective: To determine the internipple distance and internipple index in Chinese children., Methods: The internipple distance and chest circumference were measured in 3,290 healthy Chinese children (1,715 males and 1,575 females) aged birth to 18 years seen at the Asian Medical Centre. The internipple distance and chest circumference were obtained at the end of expiration whenever possible, with a standard nonstretch tape measure graduated in millimeters with the arms hanging relaxed alongside the body. Patients under two years of age were measured supine and those over two years of age standing. The internipple distance was measured between the centers of both nipples, and the chest circumference was measured across the internipple line. The internipple index was calculated according to the formula: internipple distance (cm) multiplied by 100 and divided by chest circumference (cm)., Results: The internipple distance and chest circumference increased with age. The internipple index was highest in the neonatal period (26.4 +/- 1.6 for males and 26.3 +/- 2 for females), and decreased steadily until the age of four years (23.8 +/- 1.2 for males and 23.8 +/- 1.4 for females), and thereafter was relatively constant through the age of 18 years in males and the age of 11 years in females. In females, the internipple index decreased gradually from the age of 11 years to 18 years., Conclusions: While internipple index is a more practical way to assess nipple placement, there are ethnic differences in the internipple index. Proper reference standards should be used in the assessment whether the nipples are closely or widely spaced.

Cytomegalovirus (CMV) is the most common congenital infection in humans. Congenital CMV infection can follow either a primary or recurrent maternal infection, but the likelihood of fetal infection and the risk of associated damage is higher after a primary infection. Approximately 90% of congenitally infected infants are asymptomatic at birth. Jaundice, petechiae, and hepatosplenomegaly are the most frequently noted clinical triad in symptomatic infants. More frequent and more severe sequelae occur in symptomatic infants, notably psychomotor hearing loss and retardation. Congenital CMV infection can be diagnosed by isolation of the virus from the urine or saliva within the first three weeks of life. Rapid diagnosis can be accomplished by detection of CMV DNA by DNA amplification or hybridization techniques.

Objective: To evaluate the effectiveness of a structured education program for increasing caregiver knowledge of infants discharged on home oxygen therapy., Design: The study used a one-group pretest-posttest design with recruitment of subjects between May 1988 and May 1989., Setting/participants: All subjects were primary caregivers of infants with bronchopulmonary dysplasia who were discharged from a tertiary-care center. Eighteen caregivers of 10 infants entered and completed the study., Interventions: The education program included a booklet, videotape, and practical session. A pretest was administered immediately before the caregiver entered the program, and a posttest was administered immediately after caregiver completion of the program. A delayed posttest was administered 6 weeks after the infant's discharge from the hospital., Main Outcome Measure: The difference between the mean scores on the pretest and posttest., Results: Posttest scores were significantly higher than pretest scores (t = 4.22; p < .01)., Conclusion: The significant difference between the pretest and posttest scores was due to the education program. The effects of history and maturation on posttest scores were minimal.

Forty-four parents of 48 infants who had been discharged home with continuous oxygen therapy described their experiences, needs, and resources in a semistructured interview. In addition, 20 professionals in contact with these infants were interviewed to determine their perceptions of discharge preparations, teaching, relief care, coordination of medical care, and expertise of community professionals regarding high-risk infants on oxygen. Both the professionals and parents reported a need for improved discharge teaching and community support services. Researchers concluded that individual needs must be considered in arranging supportive interventions, as needs vary across families, time, and geographic locations.