Document Detail


Intrauterine Growth and Neuropsychological Performance in Very Low Birth Weight Preschoolers.
MedLine Citation:
PMID:  22300634     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
In this study we examined the association between intrauterine growth, indexed either as a categorical variable or continuous dimension, and neuropsychological outcome, in a very low birth weight (VLBW) sample of 143 preschoolers. When the commonly used split at the 10th percentile rank was applied to classify intrauterine growth restriction (IUGR), we found that the growth restricted group (n = 25) exhibited significantly poorer performance in the global motor domain, but not on any other neuropsychological measure. In contrast, when adequacy of intrauterine growth was indexed by standardized birth weight, a continuous dimension, this early risk factor explained a unique portion of the variance in global cognitive abilities and visuospatial skills, as well as in global, fine, and gross motor skills. These findings are consistent with recent magnetic resonance imaging data disclosing global neurodevelopmental changes in the brains of preterm infants with IUGR. When cases classified with IUGR (<10th percentile) were excluded, the relationship between adequacy of intrauterine growth and global cognitive abilities remained significant despite range restriction. Hence, an association between appropriateness of intrauterine growth and global intellectual outcome may be observed even within the population of VLBW preschoolers with adequate standardized birth weight. (JINS, 2012, 18, 1-12).
Authors:
Sarah Raz; Angela K Debastos; Julie Bapp Newman; Daniel Batton
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-3
Journal Detail:
Title:  Journal of the International Neuropsychological Society : JINS     Volume:  -     ISSN:  1469-7661     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-3     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9503760     Medline TA:  J Int Neuropsychol Soc     Country:  -    
Other Details:
Languages:  ENG     Pagination:  1-12     Citation Subset:  -    
Affiliation:
1Department of Psychology and the Merrill Palmer Skillman Institute, Wayne State University, Detroit, Michigan.
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