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J Pediatr Surg. 2012 Mar;47(3):453-61. doi: 10.1016/j.jpedsurg.2011.10.002.

Abnormal brain development and maturation on magnetic resonance imaging in survivors of severe congenital diaphragmatic hernia.

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  • 1The Center for Fetal Diagnosis and Treatment, The Children's Hospital of Philadelphia and The University of Pennsylvania School of Medicine, Philadelphia, PA 19104-4318, USA. danzere@email.chop.edu

Abstract

PURPOSE:

The aim of the study was to evaluate the incidence of abnormal brain maturation in survivors of severe congenital diaphragmatic hernia (CDH).

MATERIAL AND METHODS:

Between July 2004 and December 2009, 50 CDH survivors underwent detailed brain magnetic resonance (MR) imaging before discharge. Magnetic resonance images were analyzed to evaluate the presence of structural brain abnormalities and to calculate overall brain maturation using the total maturation score (TMS).

RESULTS:

Thirty-two children (64%) underwent MR imaging between 39 and 43 weeks of gestation, allowing for evaluation of the TMS. Eighteen (36%) underwent MR imaging between 44 and 69 weeks of gestation, allowing for structural analysis of brain maturity only. The mean TMS was 14.1 ± 1.2 and significantly lower than reported age-matched normative data in infants without CDH (15.3 ± 1.0, P = .02). The TMS in 4 patients (12.5%) corresponded to a delay of 1 month in structural brain development. Eight infants (25%) demonstrated a 2-week delay. Periventricular leukomalacia was detected in 9 (18%), incomplete development of the opercula in 7 (14%), various degrees of intracranial hemorrhage in 24 (48%), and prominent extraaxial fluid spaces in 20 (40%) cases.

CONCLUSIONS:

Brain maturation in infants with severe CDH appears to be delayed. Long-term neurodevelopmental follow-up is needed to determine the significance of a lower-than-expected TMS and the presence of structural brain abnormalities on functional outcomes in this population.

Copyright © 2012 Elsevier Inc. All rights reserved.

PMID:
22424337
[PubMed - indexed for MEDLINE]
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