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Neurodevelopmental outcome at 12 and 18 months in late preterm infants.
MedLine Citation:
PMID:  20207178     Owner:  NLM     Status:  In-Process    
BACKGROUND: Late-preterms represent the 70% of the whole preterm population and are reported to be at higher risk for mortality and morbidity than term infants.
AIMS: To assess neurodevelopmental outcome in low-risk late-preterm infants at 12 and 18 months corrected age, to compare results of corrected and uncorrected age to those of term-born infants, to analyse the possible influence of gender on outcome.
METHODS: Sixty-one healthy infants born between 33 and 36 weeks gestational age without major brain lesions were assessed at 12 and 18 months corrected age using the Bayley II scale. A control group of 60 low-risk term born infants underwent the same assessment.
RESULTS: At 12 and 18 months corrected age late preterms showed a mean mental developmental index (MDI) similar to term infants. Comparing the results of the uncorrected age with term infants, the scores were significantly lower at both 12 and 18 months. No gender differences were observed in term-born infants, while male late-preterm infants showed lower MDI than peer females at both ages.
CONCLUSIONS: When correcting age for prematurity late-preterms have similar MDI scores to those obtained in term-born infants at 12 and 18 months. In contrast, when using chronological age there is a number of infants with low MDI. As cognitive abnormalities are reported at school age in late preterm infants, our findings raise the question on whether the results obtained using scores uncorrected for age may early identify the infants who will show cognitive difficulties at school age.
Domenico M Romeo; Alessandra Di Stefano; Maria Conversano; Daniela Ricci; Domenico Mazzone; Mario G Romeo; Eugenio Mercuri
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Publication Detail:
Type:  Journal Article     Date:  2010-03-05
Journal Detail:
Title:  European journal of paediatric neurology : EJPN : official journal of the European Paediatric Neurology Society     Volume:  14     ISSN:  1532-2130     ISO Abbreviation:  Eur. J. Paediatr. Neurol.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9715169     Medline TA:  Eur J Paediatr Neurol     Country:  England    
Other Details:
Languages:  eng     Pagination:  503-7     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 European Paediatric Neurology Society. Published by Elsevier Ltd. All rights reserved.
Division of Child Neurology and Psychiatry, Department of Paediatrics, University of Catania, Italy.
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