Corpus callosum differences assessed by fetal MRI in late-onset intrauterine growth restriction and its association with neurobehavior.

Abstract:

OBJECTIVE:The aim of this study is to evaluate corpus callosum (CC) development by Magnetic Resonance Imaging (MRI) in late-onset intrauterine growth restricted (IUGR) fetuses compared to appropriate for gestational age and its association with neurobehavioral outcome. METHOD:One hundred and seventeen late-onset IUGR and 73 control fetuses were imaged using a 3T MRI scanner at term, obtaining T2 half-Fourier acquisition single-shot turbo spin-echo anatomical slices. CC length, thickness, total area and the areas after a subdivision in 7 portions were assessed. Neonatal Behavioral Assessment Scale test was performed on IUGR newborns at 42 ± 1 weeks. RESULTS:IUGR fetuses showed significantly smaller CC (Total CC Area IUGR: 1.3996 ± 0.26 vs. AGA: 1.664 ± 0.31; p < 0.01) and smaller subdivision areas as compared with controls. The differences were slightly more pronounced in fetuses with very low birth weight and/or abnormal brain and/or abnormal uterine Doppler. CC measurements were significantly associated with neurobehavioral outcome in IUGR cases. CONCLUSIONS:CC development was significantly altered in late-onset IUGR fetuses and correlated with worse neurobehavioral performance. CC could be further explored as a potential imaging biomarker to predict abnormal neurodevelopment in pregnancies at risk.

journal_name

Prenat Diagn

journal_title

Prenatal diagnosis

authors

Egaña-Ugrinovic G,Sanz-Cortés M,Couve-Pérez C,Figueras F,Gratacós E

doi

10.1002/pd.4381

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

843-9

issue

9

eissn

0197-3851

issn

1097-0223

journal_volume

34

pub_type

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