13 results on '"Peano, L."'
Search Results
2. Design of Lyon-Turin HS Tunnel using Risk-driven approach.
- Author
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Valdemarin, F., Fantauzzi, G., Peano, L., Ragazzo, G., and Humbert, E.
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TUNNEL design & construction ,EXCAVATION (Civil engineering) ,TECHNOLOGICAL innovations ,RISK assessment ,CONSTRUCTION industry - Abstract
The construction of the new Lyon-Turin HS Base tunnel consists of 57km of twin tunnels under the Alps which is the longest tunnel ever excavated. SYSTRA is a part of the JV in charge of the tender and final design as well as site supervision of the central section of this tunnel. Such a mega-project must deal with various typical technological and constructional challenges of the long and deep tunnels. According to the tunnel depth and complex geological context, risks of severe squeezing, rockburst, fault zones and high-water inflows are awaited. In order to handle all these challenges, SYSTRA performed a complete Risk Management Plan, the final design has been focused on the Risk-driven approach consisting in the identification and mitigation of the related risks by the tunnel design itself including the excavation methods, the tunnel section type and the proper choice of supports and installations. In order to manage the residual risks, a special monitoring and a countermeasures approach have been also anticipated from design stage. The output in a risk matrix form is now applicable during the tunnel construction phase. This paper discusses the risks, the technical solutions and the resulting design efficiency. [ABSTRACT FROM AUTHOR]
- Published
- 2023
3. Clinical and Virologic Characteristics of HIV-1 Positive Patients with Delta Hepatitis
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Hamid Hasson, Bagaglio S, Caterina Uberti-Foppa, Peano L, Morsica G, Emanuela Messina, and Andrea Poli
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HBsAg ,medicine.medical_specialty ,education.field_of_study ,Multivariate analysis ,business.industry ,viruses ,Immunology ,Population ,virus diseases ,Retrospective cohort study ,Dermatology ,biochemical phenomena, metabolism, and nutrition ,medicine.disease ,Gastroenterology ,Serology ,Liver disease ,Infectious Diseases ,HBeAg ,Virology ,Internal medicine ,medicine ,business ,education ,Transient elastography - Abstract
Background and Aim: Hepatitis Delta Virus (HDV) infection has been mainly studied in HIV negative patients, while data on HIV-1 positive patients are limited. We investigated the virological pattern as well as biochemical and clinical features of liver disease and immune status in HIV-1 positive patients with delta hepatitis. Their clinical characteristics were compared with those of anti-HDV negative, hepatitis B surface antigen (HBsAg) positive/HIV+ patients. Methods: This retrospective study included HBsAg positive subjects with anti-HDV serology available, during the period 2010-2017. Biochemical and virological parameters were obtained at last visit in 2017 for each patient. Potential determinants for HDV positivity were examined by applying multivariate regression model. Results: Of 78 HBsAg positive patients 19 (24.4%) were found anti-HDV+. Anti-HDV+ patients were more frequently intra venous drug users, anti-HCV positive and HBV e antigen (HBeAg) negative. Additionally, the patients had more severe liver disease and necro inflammatory activity (assessed by transient elastography and transaminases levels, repectively) than the counterpart of anti-HDV- patients. A suppressive effect of HDV over HCV was also revealed in anti-HDV+ subjects. By multivariate analysis, years of ART (OR 1.22; CI 0.986-1.43, p=0.014) and sexual exposure vs. IVDU (OR 0.08; CI 0.556-0.986, p=0.004) were independently associated with anti-HDV positivity. Conclusion: Our data underlines the need for continuing prevention program that includes HBV vaccination, screening and monitoring in population at high risk, as well as development of an alternative treatment option for HDV.
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- 2018
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4. A Prospective Italian Study on Baseline NS3 and NS5A Resistance to Direct-Acting Antivirals in a Real-World Setting of HIV-1/HCV Coinfected Patients and Association with Treatment Outcome
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Sabrina Bagaglio, Andrea Galli, Riccardo Vercesi, Hamid Hasson, Caterina Uberti Foppa, Emanuela Messina, Luca Peano, Giulia Morsica, Bagaglio, S., Hasson, H., Peano, L., Vercesi, R., Messina, E., Galli, A., Uberti Foppa, C., and Morsica, G.
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Adult ,Male ,medicine.medical_specialty ,Genotype ,genotype ,viruses ,Treatment outcome ,lcsh:QR1-502 ,Human immunodeficiency virus (HIV) ,HCV genotypes ,HIV Infections ,Hepacivirus ,Viral Nonstructural Proteins ,medicine.disease_cause ,DIRECT ACTING ANTIVIRALS ,Antiviral Agents ,Article ,lcsh:Microbiology ,Direct acting antivirals ,Virological response ,Virology ,Internal medicine ,Drug Resistance, Viral ,medicine ,direct acting antivirals ,Humans ,NS5A ,Alleles ,HCV resistance ,NS3 ,Coinfection ,business.industry ,virus diseases ,Middle Aged ,biochemical phenomena, metabolism, and nutrition ,Hepatitis C ,Virological failure ,digestive system diseases ,Treatment Outcome ,Infectious Diseases ,Amino Acid Substitution ,Mutation ,HIV-1 ,Female ,business - Abstract
We prospectively evaluated the frequency of natural resistance-associated substitutions (RASs) in the NS3 and NS5A regions according to different HCV genotypes and their possible effect on treatment outcome in HIV-1/HCV patients treated with direct-acting antivirals (DAAs). Baseline RASs in the NS3 and NS5A domains were investigated in 62 HIV-1/HCV patients treated with DAAs: 23 patients harbored HCV-GT1a, 26 harbored GT3a, and 13 harbored GT4d. A higher occurrence of RASs was found in the NS3 domain within GT1a (13/23) than GT3a (0/26) or GT4d (2/13). With regard to treatment outcome, NS3 RASs were detected in 14/56 patients with sustained virological response (SVR) and in 1/6 non-responder (NR) patients. Occurrence of RASs of NS5A domain was lower in SVR (4/56, had RASs) than in NR (3/6, had RASs). Evaluation of RASs at baseline instead of at virological failure, especially in the NS5A domain, could positively influence the choice of new DAA combinations for the treatment of HIV-1/HCV patients.
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- 2020
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5. Newborn Weight Loss as a Predictor of Persistence of Exclusive Breastfeeding up to 6 Months.
- Author
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Delfino E, Peano L, Wetzl RG, Giannì ML, Netto R, Consales A, Bettinelli ME, Morniroli D, Vielmi F, Mosca F, and Montagnani L
- Abstract
Objectives: To investigate the association between neonatal weight loss and persistence of exclusive breastfeeding up to 6 months., Study Design: An observational cohort study in the setting of a Baby Friendly Hospital, enrolling 1,260 healthy term dyads. Neonatal percentage of weight loss was collected between 48 and 72 h from birth. Using a questionnaire, all mothers were asked on the phone what the infant's mode of feeding at 10 days, 42 days and 6 months (≥183 days) from birth were. The persistence of exclusive breastfeeding up to 6 months and the occurrence of each event that led to the interruption of exclusive breastfeeding were verified through a logistic analysis that included 40 confounders., Results: Infants with a weight loss ≥7% were exclusively breastfed at 6 months in a significantly lower percentage of cases than infants with a weight loss <7% (95% CI 0.563 to 0.734, p < 0.001). Weight loss ≥7% significantly increases the occurrence of either sporadic integration with formula milk (95% CI 0.589 to 0.836, p < 0.001), complementary feeding (95% CI 0.460 to 0.713, p < 0.001), exclusive formula feeding (95% CI 0.587 to 0.967, p < 0.001) or weaning (95% CI 0.692 to 0.912, p = 0.02) through the first 6 months of life., Conclusions: With the limitations of a single-center study, a weight loss ≥7% in the first 72 h after birth appears to be a predictor of an early interruption of exclusive breastfeeding before the recommended 6 months in healthy term exclusively breastfed newborns., 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 Delfino, Peano, Wetzl, Giannì, Netto, Consales, Bettinelli, Morniroli, Vielmi, Mosca and Montagnani.)
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- 2022
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6. A priori choice of neuraxial labour analgesia and breastfeeding initiation success: a community-based cohort study in an Italian baby-friendly hospital.
- Author
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Wetzl RG, Delfino E, Peano L, Gogna D, Vidi Y, Vielmi F, Bianquin E, Cerioli S, Bettinelli ME, Giannì ML, Frassy G, Boris E, and Arioni C
- Subjects
- Adult, Analgesia, Obstetrical psychology, Breast Feeding psychology, Cesarean Section statistics & numerical data, Cohort Studies, Female, Humans, Infant, Newborn, Italy, Labor Pain psychology, Pregnancy, Prenatal Care psychology, Analgesia, Obstetrical methods, Breast Feeding statistics & numerical data, Labor Pain drug therapy, Prenatal Care methods
- Abstract
Objective: To investigate whether the nature of the decision about receiving neuraxial labour analgesia is associated with breastfeeding initiation success (BIS), defined as exclusive breastfeeding until discharge associated with postnatal weight loss <7% at 60 hours from birth., Design: Single-centre community-based cohort study., Setting: An Italian baby-friendly hospital, from 1 July 2011 to 22 September 2015., Participants: Inclusion criteria: women vaginally delivering singleton cephalic newborns and willing to breastfeed., Exclusion Criteria: women who delivered in uterus-dead fetuses, were single or requested but did not receive neuraxial analgesia. Overall, 775 out of the 3628 enrolled women received neuraxial analgesia., Results: Compared with women who tried to cope with labour pain, those who decided a priori to receive neuraxial analgesia had less BIS (planned vaginal birth: 2121/3421 (62.0%), vs 102/207 (49.3%; p<0.001; risk difference (RD), 12.7%); actual vaginal birth: 1924/2994 (64.3%), vs 93/189 (49.2%; p<0.001; RD, 15.1%)). Multivariable analyses with antelabour-only confounders confirmed both associations (planned vaginal birth: relative risk (RR), 0.65; 95% CI, 0.48 to 0.87; actual vaginal birth: RR, 0.59; 95% CI, 0.43 to 0.80). Although women who requested analgesia as a last resort had less BIS than did those successfully coping with labour pain in the bivariable analyses (planned vaginal birth: 1804/2853 (63.2%), vs 317/568 (55.8%; p=0.001; RD, 7.4%); actual vaginal birth: 1665/2546 (65.4%), vs 259/448 (57.8%; p=0.002; RD, 7.6%)), multivariable analyses with either antelabour-only or peripartum confounders did not confirm these associations (planned vaginal birth: RR, 0.99; 95% CI, 0.80 to 1.23; actual vaginal birth: RR, 0.90; 95% CI, 0.69 to 1.16)., Conclusions: Compared with trying to cope with labour pain, a priori choice of neuraxial analgesia is negatively associated with BIS. Conversely, compared with having successfully coped with pain, requesting neuraxial analgesia as a last resort is not negatively associated with BIS., Competing Interests: Competing interests: None declared., (© Author(s) (or their employer(s)) 2019. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.)
- Published
- 2019
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7. Effectiveness of an hospital bed management model: results of four years of follow-up.
- Author
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Novati R, Papalia R, Peano L, Gorraz A, Artuso L, Canta MG, Del Vescovo G, and Galotto C
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- Algorithms, Follow-Up Studies, Humans, Italy, Middle Aged, Time Factors, Bed Occupancy, Emergency Service, Hospital organization & administration, Hospital Administration, Hospitalization, Models, Organizational
- Abstract
Background: Several experiences of Bed Management have been published, most of them focusing on Emergency Department organization. Aosta Hospital is 70 km away from the nearest Hospital, so that ambulance diversion is not feasible and patients' admissions from ED need to be managed at the local level solely. Aim of this study was to test efficacy of an innovative Bed Management model., Setting and Methods: Bed Management procedure consisted of an algorithm of both rational outward allocation of patients and support to "difficult" discharges. Hospital indicators of the pre-intervention period (years 2008-2011) were compared with those of the post-intervention period (years 2012-2015), splitting data into ten medical wards mostly admitting patients form ED and seven surgery wards mostly admitting "planned" patients., Results: In the before-after analysis, mean length of stay decreases from 7.84 to 7.41 days (p= 0.000), and bed occupancy from 81% to 77%. Outlier days fell from 6.3% to 5.4% (p= 0.000), and the same did long stay patients (from 5.8% to 5%, p = 0.000). By contrast, ED admissions increased from 16.5% to 17.8%, as very short stays (23.9 to 25.3%, p= 0.000) and the 30 days unplanned readmissions (9.9% to 11.9%, p =0.000). The observed variations were more significant in the medical wards. Finally, waiting times in ED significantly decreased during the study period in the medical wards., Conclusions: We propose a comprehensive BM model, including governance of difficult discharges within a general hospital perspective. Further organization research on Bed Management is needed, also to propose BM standards, to be adopted in any Hospital.
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- 2017
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8. Octreoscan perspectives in sarcoidosis and idiopathic interstitial pneumonia.
- Author
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Carbone R, Filiberti R, Grosso M, Paredi P, Peano L, Cantalupi D, Villa G, Monselise A, Bottino G, and Shah P
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- Adult, Aged, Dyspnea complications, Dyspnea diagnosis, Evaluation Studies as Topic, Forecasting, Humans, Injections, Male, Middle Aged, Octreotide, Radiography, Thoracic methods, Radionuclide Imaging, Tomography, X-Ray methods, Gallium Radioisotopes, Lung Diseases, Interstitial diagnostic imaging, Sarcoidosis diagnostic imaging
- Abstract
Study Objectives: Clinical, radiological, and serological tests have been proven to be unsatisfactory as markers of activity in sarcoidosis and idiopathic interstitial pneumonia (IIP). We investigated 111In-Octreotide (Octreoscan) scintigraphy as a tool for classifying and assessing disease activity in sarcoidosis and IIP, in comparison of the radiological imaging and dyspnea symptom scores., Patients: Thirty-three patients (pts) of which 16 with sarcoidosis (mean age 43.6, range 30-58 years) and 17 with histologically diagnosed IIP (mean age 62.2, range 35-79 years), were enrolled in the study. Clinical history was taken as well as, physical examination, chest X-ray and pulmonary function tests were assessed. A high-resolution computed tomography scan (HRCT) was carried out in-patients affected by sarcoidosis, who had a normal chest X-ray, and in IIP patients. Both groups were evaluated with the Octreoscan uptake index (U.I.; normal value: < or = 10)., Results: In patients affected with sarcoidosis, the Octreoscan U.I. was significantly higher than in patients with IIP (16.35 +/- 3.1 and 10.06 +/- 0.8, respectively; p < 0.01) and was correlated with the radiographic staging (p < 0.01) and with the degree of dyspnea (p < 0.01). In-patients with IIP the Octreoscan uptake index was slightly above the normal limit (range 10.3-11.7) in non-specific interstitial pneumonia (NSIP) and desquamative interstitial pneumonia (DIP), whereas in usual interstitial pneumonia (UIP) Octreoscan uptake index was always within normal limit (< or = 10 U.I.). A negative correlation was observed with histological findings (p < 0.01) and with HRCT appearance (p < 0.01)., Conclusions: Octreoscan U.I. is correlated with the degree of dyspnea in patients affected by sarcoidosis and can quantify more accurately the degree of pulmonary involvement, as compared to radiological assessment. Further studies are necessary to evaluate Octreoscan as an early test for predicting disease progression. Octreoscan U.I. could be helpful in monitoring IIP in specific histological subsets (NSIP and DIP) and substitute HRCT in the assessment of UIP for its excellent accuracy.
- Published
- 2003
9. [The effect on breastfeeding rate of regional anesthesia technique for cesarean and vaginal childbirth].
- Author
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Albani A, Addamo P, Renghi A, Voltolin G, Peano L, and Ivani G
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- Adult, Analgesia, Epidural, Female, Humans, Pregnancy, Prospective Studies, Anesthesia, Conduction, Anesthesia, Obstetrical, Breast Feeding, Cesarean Section
- Abstract
Background: To evaluate the influence of regional techniques of anesthesia and analgesia on breastfeeding rate after cesarean section and vaginal delivery., Study Design: prospective, area-based., Setting: Obstetrics and Pediatrics Department at Aosta Valley Regional Hospital., Subjects: all the mothers and their newborns during a three-year period (1993-1995). Maternal wish to breastfeed was the main inclusion criterion. Data recorded: feeding modality at discharge, anesthesia and analgesia modality, maternal/neonatal socio-demographic and clinical data., Results: 2725 records were examined, among them 1920 vaginal deliveries and 355 cesarean sections were statistically analyzed. chi 2 analysis showed a significant greater incidence of breastfeeding after cesarean section under regional anesthesia (spinal or epidural) versus general anesthesia: 95% vs 85.5%, p = 0.002. Breastfeeding rate was not different after vaginal delivery with epidural analgesia versus delivery without analgesia: 96.5% vs 97.8%. Logistic regression confirmed the positive role of regional anesthesia and few other maternal and neonatal variables on breastfeeding rate after cesarean section., Conclusions: Regional anesthesia seems to be advantageous for breastfeeding after cesarean section, probably because of a faster neonatal-maternal bonding if compared with general anesthesia. Epidural analgesia for vaginal delivery does not adversely affects breastfeeding if compared with delivery without analgesia.
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- 1999
10. [Use of screening for amino acid disorders in the study of the nutrition of the newborn infant: various milk formulas and changes in plasma amino acids].
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Pomi L, Peano L, and Colla D
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- Animals, Cattle, Humans, Infant Nutrition Disorders etiology, Infant, Newborn, Infant, Premature, Methionine adverse effects, Milk adverse effects, Milk, Human metabolism, Phenylalanine adverse effects, Tyrosine adverse effects, Amino Acids blood, Infant Food adverse effects, Infant Nutrition Disorders blood, Infant Nutritional Physiological Phenomena
- Abstract
A sample of 1326 new-born babies has been studied regarding the influence of the milk diet over some plasma-serum amino acids. The Authors have make use of the screening of the congenital errors of the protein metabolism. New-born babies were bled on the fifth or sixth day of life and their blood was analysed at first with the Guthrie test and then with automatic chromatographic determination. New-born babies have been arranged according to their gestational age, birth weight and intrauterine growth. More then 90% of the sample was formed by normal for gestational age new-born babies. We have make use of five different milk formulas: a mixed one (human milk with adapted milks), three powdered milks with three different casein-serum proteins ratio and finally cow's milk with 50% water. The best formula among these ones has been the human milk mixed with adapted milks. The completely artificial formulas, but with casein/serum proteins ratio lower or equal to one, has given rise to a few amino acid alterations, too. On the contrary, the cow's milk mixed with water and the artificial powdered milks with a casein-serum proteins ratio equal to 4.5 shouldn't be utilized in the new-born baby's diet, as they may provoke remarkable alteration in the amino acid metabolism.
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- 1984
11. [Treatment using immucytal in children with recurrent respiratory infections: an Italian multicenter experience].
- Author
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Fiocchi A, Vignati B, Cinquepalmi P, Machado E, Peano L, Pulejo R, Puleo G, Lietti D, Merazzi D, and Caramia G
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- Adolescent, Child, Child, Preschool, Drug Evaluation, Female, Humans, Italy, Male, Multicenter Studies as Topic, Randomized Controlled Trials as Topic, Recurrence, Respiratory Tract Infections blood, Respiratory Tract Infections immunology, Antigens, Bacterial therapeutic use, Respiratory Tract Infections drug therapy
- Abstract
120 children, 71 male and 49 female, aged between 2 years and 15 years (mean 6.15 +/- 3.52 years) with recurrent respiratory infections, were treated with Immucytal, an immunomodulator of bacterial origin, based on membrane proteoglycan fractions plus bacterial ribosomes. The children, selected on the basis of the previous year's clinical score, were treated according to a random design with either Immucytal or placebo, using the same dosage of one puff per nostril plus one puff in the oropharyngeal cavity three times a day, as follows: 1st month: two weeks' treatment, one week wash out, one week's treatment. 2nd, 3rd, 4th months: two weeks' treatment, two week's wash out. Monthly throughout the treatment period the frequency and severity of airway infections episodes were assessed using the same score as for admission. Blood chemistry test, immunological assays (circulating Ig, lymphocyte subpopulations, Merieux Multitest in vivo blastization test) and respiratory tests (spirometry using a pneumotachigraph) were done before and after the treatment. 118/120 children completed treatment; the two dropouts were in the placebo group, one for compliance and the other because of headaches. Respiratory symptoms improved significantly in the actively treated children already from the first month, but not in the placebo group. This improvement consisted of reduction of the respiratory infectious episodes in both the upper and lower airways. No changes were noted in respiratory function parameters. From the immunological viewpoint, there were significant rises in serum IgA and IgM and enhanced skin response tot he Multitest; there was no change in the percentages of different circulating lymphocyte subpopulations.(ABSTRACT TRUNCATED AT 250 WORDS)
- Published
- 1989
12. [The newborn infant in the Aosta Valley: preliminary statistical analysis of various ethnic and geographic factors].
- Author
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Peano L, Pomi L, and Bersi S
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- Birth Weight, Female, Gestational Age, Humans, Italy, Male, Maternal Age, Organ Size, Parity, Paternal Age, Placenta anatomy & histology, Retrospective Studies, Rural Population, Socioeconomic Factors, Urban Population, Infant, Newborn
- Abstract
We have examined 976 new-born babies in Aosta Valley retrospectively, in order to determine which risk factors were significantly linked with the high incidence of: hospitalization and infants with below average neonatal and placental weight. The new-borns of native mothers have been compared with those of immigrant mothers, and also the new-borns of parents living in mountains have been compared with those of parents living in town. Results have shown new-born babies of native mother are at a disadvantage, especially regarding: the neonatal and placental average weight and the incidence of small for gestational age infants (SGA). No statistically significant difference has been found from the geographical point of view. Our results have stimulated a desire for deeper knowledge concerning the ethnical distribution of our neonatal sample and the maternal anamnesis before delivery: these are the two problems we are presently concerning ourselves with.
- Published
- 1982
13. [Beta-thalassemia risk in the newborn of the Aosta Valley].
- Author
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Peano L
- Subjects
- Homozygote, Humans, Infant, Newborn, Italy, Models, Biological, Risk, Thalassemia genetics, Thalassemia epidemiology
- Abstract
We have studied the probability that the babies born in the Aosta Valley (North Italy) in 1983-84 were affected with minor and major thalassemia, basing our analysis on the ethnic origin of their grandparents, frequently immigrated from Mediterranean Areas. In a sample of 1599 cases, we have found that these frequencies were 2.16% and 0.025%, with a risk of about one homozygous genotype every 4000 live births. These values, similar to those founded in the industrialized north Italy towns, with the fact that marriages often occur in the same ethnic group, indicate the necessity of screening and prenatal diagnosis programs for thalassemia.
- Published
- 1986
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