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. 2014 Mar;35(3):599-603.
doi: 10.3174/ajnr.A3720. Epub 2013 Aug 29.

Brain MRI measurements at a term-equivalent age and their relationship to neurodevelopmental outcomes

H W Park  1 , H-K Yoon, S B Han, B S Lee, I Y Sung, K S Kim, E A Kim
Affiliations

Brain MRI measurements at a term-equivalent age and their relationship to neurodevelopmental outcomes

H W Park et al. AJNR Am J Neuroradiol. 2014 Mar.

Erratum in

  • AJNR Am J Neuroradiol. 2014 Jul;35(7):E4

Abstract

Background and purpose: An increased prevalence of disabilities is being observed as more preterm infants survive. This study was conducted to evaluate correlations between brain MR imaging measurements taken at a term-equivalent age and neurodevelopmental outcome at 2 years' corrected age among very low-birth-weight infants.

Materials and methods: Of the various brain MR imaging measurements obtained at term-equivalent ages, reproducible measurements of the transcerebellar diameter and anteroposterior length of the corpus callosum on sagittal images were compared with neurodevelopmental outcomes evaluated by the Bayley Scales of Infant Development (II) at 2 years' corrected age (mean ± standard deviation, 16.1 ± 6.4 months of age).

Results: Ninety infants were enrolled. The mean gestational age at birth was 27 weeks and the mean birth weight was 805.5 g. A short corpus callosal length was associated with a Mental Developmental Index <70 (P = .047) and high-risk or diagnosed cerebral palsy (P = .049). A small transcerebellar diameter was associated with a Psychomotor Developmental Index <70 (P = .003), Mental Developmental Index <70 (P = .004), and major neurologic disability (P = .006).

Conclusions: A small transcerebellar diameter and short corpus callosal length on brain MR imaging at a term-equivalent age are related to adverse neurodevelopmental outcomes at a corrected age of 2 years and could be a useful adjunctive tool for counseling parents about future developmental outcomes.

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Figures

Fig 1.
Fig 1.
Linear measurements of anteroposterior length of corpus callosum (A and B) and transcerebellar diameter (C and D) and intraclass correlation coefficients (ICCs) for interobserver and intraobserver reliability. A, Short anteroposterior length of corpus callosum (34.1 mm); B, longer anteroposterior length of corpus callosum (44.4 mm); C, short transcerebellar diameter (36.2 mm); D, longer transcerebellar diameter (58.4 mm).
See this image and copyright information in PMC

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