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MRI findings and sensorimotor development in infants with bilateral spastic cerebral palsy
G Cioni1, M C Di Paco, B Bertuccelli
1Stella Maris Scientific Institute, University of Pisa, Italy. cioni@inpe.unipi.it
Insights
Magnetic resonance imaging (MRI) can identify white matter abnormalities in infants with cerebral palsy (CP). These findings correlate with sensorimotor development, aiding early identification of impairment.
Area of Science:
- Neuroscience
- Developmental Pediatrics
- Radiology
Background:
- Bilateral spastic cerebral palsy (CP) significantly impacts sensorimotor development in infants.
- Early identification of developmental impairments is crucial for timely intervention.
- Magnetic resonance imaging (MRI) offers detailed visualization of brain structures.
Purpose of the Study:
- To investigate the correlation between specific MRI findings and sensorimotor development in infants with bilateral spastic CP.
- To determine the predictive value of MRI parameters for cognitive and sensorimotor outcomes.
- To assess the utility of MRI in the early identification of neurological deficits.
Main Methods:
- A cohort of 48 infants with bilateral spastic CP underwent MRI examinations (mean age 15 months).
- MRI parameters assessed included ventricular size, white matter lesions/reduction, corpus callosum thinning, cystic areas, subarachnoid spaces, and cortical abnormalities.
- Cognitive and sensorimotor development were evaluated using Griffiths Developmental Scales and Uzgiris-Hunt Scales, with patients stratified by intellectual level (DSM-III-R).
Main Results:
- Initially, all MRI parameters showed a significant correlation with cognitive development across the entire group.
- Excluding 14 untestable infants revealed that the presence of cysts and the extent of white matter reduction were significantly correlated with Griffiths and Uzgiris-Hunt Scales.
- White matter abnormalities emerged as key indicators of sensorimotor impairment.
Conclusions:
- MRI findings, particularly white matter abnormalities and cystic changes, are valuable for the early identification of sensorimotor impairment in infants with bilateral spastic CP.
- These neuroimaging markers can guide prognosis and inform early intervention strategies.
- MRI provides critical insights into the relationship between brain structure and neurodevelopmental outcomes in pediatric CP.
Abstract:
The correlation between MRI findings and sensorimotor development was investigated in a group of 48 infants with bilateral spastic cerebral palsy (CP). The ages at MRI examination and cognitive assessment were fairly homogeneous (mean 15 months and 17 months, respectively). The following MRI parameters were scored: size of lateral ventricles, extension of white matter lesions and of white matter reduction, thinning of corpus callosum, presence and size of cystic areas, dimension of subarachnoid spaces and presence of cortical abnormalities. Cognitive assessment included Griffiths Developmental Scales and Uzgiris-Hunt Scales. The patients were subdivided into six classes according to intellectual level (DSM-III-R). For the whole group a highly significant correlation was found between all MRI parameters and the level of cognitive development. This result was probably due to the inclusion of 14 untestable, severely mentally retarded infants, who showed very severe MRI abnormalities. However, when the untestable infants were excluded from the analysis, it was the presence of cysts and the entity of white matter reduction that correlated with both Griffiths Scales and Uzgiris-Hunt Scales. These results indicate the clinical value of MRI findings and particularly of white matter abnormalities for early identification of sensorimotor impairment in infants with bilateral spastic CP.