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Visual outcome in children with congenital hemiplegia: correlation with MRI findings
E Mercuri1, M Spanò, G Bruccini
1Institute of Child Neurology, University of Messina, Italy.
Insights
Congenital hemiplegia in children often leads to visual impairments. Comprehensive vision testing is recommended for all affected children, regardless of hemiplegia severity, to detect subtle issues impacting daily life.
Area of Science:
- Pediatric Neurology
- Ophthalmology
- Neuroimaging
Background:
- Congenital hemiplegia, a neurological condition affecting one side of the body from birth, can impact various developmental aspects.
- Visual function is critical for a child's development and daily performance.
Purpose of the Study:
- To investigate the relationship between congenital hemiplegia and visual function in children.
- To determine if lesion characteristics on MRI correlate with visual deficits.
Main Methods:
- A cohort of fourteen children with congenital hemiplegia underwent comprehensive visual assessments, including linear acuity, stereopsis, and visual fields.
- Magnetic Resonance Imaging (MRI) was used to evaluate the brain lesions associated with hemiplegia.
Main Results:
- A high incidence (78%) of visual abnormalities was observed in children with congenital hemiplegia.
- No significant correlation was found between the clinical severity of hemiplegia, MRI lesion patterns, and specific visual impairments.
- No consistent association was identified between visual structures (optic radiations, primary visual cortex) and visual function outcomes.
Conclusions:
- All children diagnosed with congenital hemiplegia require thorough visual investigations.
- Early identification of visual abnormalities, even minor ones, is crucial for supporting a child's everyday life performance and development.
Abstract:
Fourteen children with congenital hemiplegia were studied with a detailed assessment of various aspects of vision (linear acuity, stereopsis, visual fields) and MRI. The aim of this study was to evaluate the effect of a congenital lesion on visual function. The results showed a very high incidence (78%) of children who had abnormal results on at least one of the visual tests. Visual abnormalities were not correlated with the clinical severity of hemiplegia or with a specific pattern of lesion on MRI. Similarly no constant association could be found between visual structures (optic radiations and primary visual cortex) and visual function. Finally, our results would suggest that all the children with congenital hemiplegia need to be investigated irrespective of the clinical severity or of the type or the extent of the lesion. This would help to identify children with minor visual abnormalities which can affect everyday life performance.