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Neurodevelopmental outcomes of very low birth weight and extremely low birth weight infants at 18 months of corrected age associated with prenatal risk factors.
MedLine Citation:
PMID:  21078549     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: Very premature infants occasionally have neurodevelopmental disabilities. However, there have been quite limited data on prenatal risk factors associated with their neurodevelopmental outcomes.
AIM: To clarify the relationship between prenatal risk factors and neurodevelopmental outcomes of very premature infants.
STUDY DESIGN: The study design is a retrospective review.
SUBJECTS: One hundred seventy Japanese women with a singleton pregnancy and their infants whose birth weight being less than 1500 g were included. We classified those infants into 118 appropriate for gestational age (AGA) and 52 small for gestational age (SGA) infants.
OUTCOME MEASURES: Infants' neurodevelopmental outcomes at 18 months of corrected age were evaluated by the Kyoto Scale of Psychological Development 2001 (KSPD). We analyzed and compared the infants' outcomes and prenatal risk factors between two groups.
RESULTS: Mortality and rate of infants unevaluable by KSPD because of severe impairment were not significantly different between those groups. However, the developmental quotient score of the cognitive-adaptive area in SGA infants born between 25 and 31 weeks of gestation was significantly lower than that in AGA infants randomly selected as gestation-matched controls. More advanced gestational age and heavier birth weight protected against adverse neurodevelopmental outcomes in both groups. Moreover, male infants were related to the excess risk of adverse neurodevelopmental outcomes in the SGA group.
CONCLUSION: In view of the neurodevelopment of the infants, it seems that the most efficient obstetric strategy for improving prognosis of premature infants should be targeted to prolong the pregnancy period as long as the reassuring fetal status and maternal stable health condition are being confirmed.
Authors:
Shunsuke Tamaru; Akihiko Kikuchi; Kimiyo Takagi; Masao Wakamatsu; Kyoko Ono; Tsuguhiro Horikoshi; Hideki Kihara; Tomohiko Nakamura
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Early human development     Volume:  87     ISSN:  1872-6232     ISO Abbreviation:  Early Hum. Dev.     Publication Date:  2011 Jan 
Date Detail:
Created Date:  2010-12-20     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7708381     Medline TA:  Early Hum Dev     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  55-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ltd. All rights reserved.
Affiliation:
Department of Obstetrics, Center for Perinatal Medicine, Nagano Children's Hospital, 3100 Toyoshina, Azumino, Nagano, Japan.
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