A Simple MRI Score Predicts Pathological General Movements in Very Preterm Infants with Brain Injury-Retrospective...

Area of Science:

• Neonatal neurology
• Neurodevelopmental pediatrics
• Pediatric neuroimaging

Background:

• Very preterm infants face heightened risks of brain injury and developmental impairments.
• Cerebral magnetic resonance imaging (MRI) data at term-equivalent age offers tools like the Total Abnormality Score (TAS) and biometric parameters (biparietal width, interhemispheric distance, transcerebellar diameter) to assess brain injury, development, and growth.
• General movements (GMs) are crucial indicators of neurological function in infants.

Purpose of the Study:

• To investigate the association between the Total Abnormality Score and specific biometric parameters with general movements in very preterm infants diagnosed with brain injury.
• To determine if neuroimaging metrics can predict neurodevelopmental outcomes in this vulnerable population.

Main Methods:

• A retrospective cohort study included 70 very preterm infants (gestational age ≤32 weeks and/or birth weight <1500 g) with brain injury identified via MRI.
• General movements analysis was performed at 8–16 weeks corrected age.
• Statistical analyses included binary logistic regression and Spearman correlation to assess associations between TAS, biometric parameters, and GMs.

Main Results:

• A significant association was found between the Total Abnormality Score and the absence of fidgety movements (OR: 1.19, 95% CI: 1.03–1.38).
• The transcerebellar diameter showed a significant negative correlation with fidgety movements (Spearman ρ = -0.269, p < 0.05).

Conclusions:

• The Total Abnormality Score serves as a valuable predictor for the absence of fidgety movements in very preterm infants with brain injury.
• TAS is an accessible tool for early identification of high-risk infants, facilitating timely intervention planning.
• Biometric parameters from neonatal MRI may offer insights into neurodevelopmental trajectories.