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Overestimating Neurodevelopment Using the Bayley-III After Early Complex Cardiac Surgery.
MedLine Citation:
PMID:  21949148     Owner:  NLM     Status:  Publisher    
Background:The newest measure of neurodevelopmental outcomes, the Bayley Scales of Infant and Toddler Development, 3rd Edition (Bayley-III), gives higher-than-expected scores for preterm infants; results after cardiac surgery are unknown.Objectives:The goal of this study was to report Bayley-III scores after cardiac surgery and compare the results with those of the Bayley Scales of Infant Development, 2nd Edition (BSID-II) on a subset of the same children.Methods:In this prospective, inception cohort, neurodevelopmental outcome study after complex cardiac surgery in infants from 2004 to 2007, the Bayley-III was given to 110 survivors (68% boys) at a mean age of 21 months (SD: 4 months). Analysis of variance was used to compare intergroup differences. Results for both test editions on the same 25 children were compared by using paired-samples statistics.Results:Mean (SD) Bayley-III mean composite scores (CSs) for 110 children were as follows: cognitive, 95.9 (14.1); language, 90.8 (18.1); and motor, 93.7 (14.2), differentiating selected cardiac surgery groups. The average difference in mean CSs was 7.4 points higher than BSID-II scores for a previous cohort from this site and 7.2 points higher than a systematic review report. Direct comparison of BSID-II and Bayley-III revealed an average difference in mean CSs of 6.1 points, similar to normative results. Mean cognitive CSs increased by 10.0 (P <.001), language by 1.4 (P = .526), and motor by 6.9 points (P = .009).Conclusions:Researchers should be careful attributing higher Bayley-III scores to changes in acute care. At-risk children who previously qualified for early developmental intervention may no longer do so. School-age longitudinal studies are needed to determine the accuracy of early developmental estimates using the Bayley-III.
Bryan V Acton; Wayne S G Biggs; Dianne E Creighton; Karen A H Penner; Heather N Switzer; Julianne H Petrie Thomas; Ari R Joffe; Charlene M T Robertson
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-9-26
Journal Detail:
Title:  Pediatrics     Volume:  -     ISSN:  1098-4275     ISO Abbreviation:  -     Publication Date:  2011 Sep 
Date Detail:
Created Date:  2011-9-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Psychology, University of Saskatchewan, Saskatoon, Saskatchewan, Canada;
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