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Early Conventional MRI for Prediction of Neurodevelopmental Impairment in Extremely-Low-Birth-Weight Infants.


ABSTRACT: BACKGROUND:Extremely-low-birth-weight (ELBW; ?1,000 g) infants are at high risk for neurodevelopmental impairments. Conventional brain MRI at term-equivalent age is increasingly used for prediction of outcomes. However, optimal prediction models remain to be determined, especially for cognitive outcomes. OBJECTIVE:The aim was to evaluate the accuracy of a data-driven MRI scoring system to predict neurodevelopmental impairments. METHODS:122 ELBW infants had a brain MRI performed at term-equivalent age. Conventional MRI findings were scored with a standardized algorithm and tested using a multivariable regression model to predict neurodevelopmental impairment, defined as one or more of the following at 18-24 months' corrected age: cerebral palsy, bilateral blindness, bilateral deafness requiring amplification, and/or cognitive/language delay. Results were compared with a commonly cited scoring system. RESULTS:In multivariable analyses, only moderate-to-severe gyral maturational delay was a significant predictor of overall neurodevelopmental impairment (OR: 12.6, 95% CI: 2.6, 62.0; p < 0.001). Moderate-to-severe gyral maturational delay also predicted cognitive delay, cognitive delay/death, and neurodevelopmental impairment/death. Diffuse cystic abnormality was a significant predictor of cerebral palsy (OR: 33.6, 95% CI: 4.9, 229.7; p < 0.001). These predictors exhibited high specificity (range: 94-99%) but low sensitivity (30-67%) for the above outcomes. White or gray matter scores, determined using a commonly cited scoring system, did not show significant association with neurodevelopmental impairment. CONCLUSIONS:In our cohort, conventional MRI at term-equivalent age exhibited high specificity in predicting neurodevelopmental outcomes. However, sensitivity was suboptimal, suggesting additional clinical factors and biomarkers are needed to enable accurate prognostication.

SUBMITTER: Slaughter LA 

PROVIDER: S-EPMC5768198 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Early Conventional MRI for Prediction of Neurodevelopmental Impairment in Extremely-Low-Birth-Weight Infants.

Slaughter Laurel A LA   Bonfante-Mejia Eliana E   Hintz Susan R SR   Dvorchik Igor I   Parikh Nehal A NA  

Neonatology 20160407 1


<h4>Background</h4>Extremely-low-birth-weight (ELBW; ≤1,000 g) infants are at high risk for neurodevelopmental impairments. Conventional brain MRI at term-equivalent age is increasingly used for prediction of outcomes. However, optimal prediction models remain to be determined, especially for cognitive outcomes.<h4>Objective</h4>The aim was to evaluate the accuracy of a data-driven MRI scoring system to predict neurodevelopmental impairments.<h4>Methods</h4>122 ELBW infants had a brain MRI perfo  ...[more]

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