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Preterm cognitive function into adulthood

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Breeman, Linda D., Jaekel, Julia, Baumann, Nicole, Bartmann, Peter and Wolke, Dieter (2015) Preterm cognitive function into adulthood. Pediatrics, 136 (3). pp. 415-423. doi:10.1542/peds.2015-0608

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WRAP_0671038-ps-140815-breeman_et_al_2015_preterm_cognitive_function_into_adulthood (1).pdf - Accepted Version
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Official URL: http://dx.doi.org/10.1542/peds.2015-0608

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Abstract

Background

Very preterm (VP; gestational age <32 weeks) and very low birth weight (VLBW; <1500 g) births are related to impaired cognitive function across the life span. It is not known how stable cognitive functions are from childhood to adulthood for VP/VLBW compared with term-born individuals and how early adult cognitive function can be predicted.

Methods

The Bavarian Longitudinal Study is a prospective geographically defined cohort study that followed 260 VP/VLBW and 229 term-born individuals from birth to adulthood. Data on cognitive function were assessed with developmental and IQ tests at 5 and 20 months and at 4, 6, 8, and 26 years of age.

Results

Across all assessments, VP/VLBW individuals had significantly lower IQ scores than term-born controls, even when individuals with severe cognitive impairment (n = 69) were excluded. IQ scores were found to be more stable over time for VP/VLBW than term-born individuals, yet differences in stability disappeared when individuals with cognitive impairment were excluded. Adult IQ could be predicted with fair certainty (r > 0.50) from age 20 months onward for the whole VP/VLBW sample (n = 260) and from 6 years onward for term-born individuals (n = 229).

Conclusions

VP/VLBW individuals more often suffer from cognitive problems across childhood into adulthood and these problems are relatively stable from early childhood onward. VP/VLBW children’s risk for cognitive problems can be reliably diagnosed at the age of 20 months. These findings provide strong support for the timing of cognitive follow-up at age 2 years to plan special support services for children with cognitive problems.

Item Type: Journal Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
R Medicine > RJ Pediatrics
Divisions: Faculty of Medicine > Warwick Medical School > Health Sciences > Mental Health and Wellbeing
Faculty of Science > Psychology
Faculty of Medicine > Warwick Medical School
Library of Congress Subject Headings (LCSH): Premature infants -- Psychological aspects, Prematurely born children -- Psychological aspects
Journal or Publication Title: Pediatrics
Publisher: American Academy of Pediatrics
ISSN: 0031-4005
Official Date: September 2015
Dates:
DateEvent
September 2015Published
10 August 2015Available
11 June 2015Accepted
Volume: 136
Number: 3
Page Range: pp. 415-423
DOI: 10.1542/peds.2015-0608
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
PKE24Bundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
JUG14Bundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
01EP9504Bundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
01ER0801Bundesministerium für Bildung und Forschunghttp://dx.doi.org/10.13039/501100002347
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