Cognitive and Behavioral Functioning in Childhood Acquired Demyelinating Syndromes

Area of Science:

• Pediatric Neurology
• Neuroimmunology
• Neuropsychology

Background:

• Acquired demyelinating syndromes (ADS) in childhood can impact neurodevelopment.
• Understanding cognitive, academic, and psychosocial outcomes is crucial for affected children.
• The role of brain lesions and subsequent Multiple Sclerosis (MS) diagnosis requires investigation.

Purpose of the Study:

• To describe cognitive, academic, and psychosocial outcomes in children following an incident demyelinating event (ADS).
• To investigate the influence of brain lesions and confirmed MS diagnosis on these outcomes.
• To compare outcomes in pediatric ADS patients with healthy controls.

Main Methods:

• Thirty-six pediatric patients with ADS underwent brain MRI at presentation and 6-month follow-up.
• T2-weighted lesions were assessed using binary classification.
• Neuropsychological evaluations were conducted at 6 months and compared to 42 healthy controls.

Main Results:

• Cognitive, academic, and behavioral outcomes did not significantly differ between ADS patients and controls.
• 8.3% of ADS patients showed cognitive impairment; visuomotor deficits were most common but not significantly different from controls.
• 12/36 patients developed MS; MS patients did not differ cognitively from monophasic ADS patients at 6 months. Fatigue was reported by 50% of patients, irrespective of MS diagnosis. Lesion presence did not correlate with cognitive outcome.

Conclusions:

• Children with ADS exhibit favorable short-term neurocognitive outcomes, even if diagnosed with MS.
• Longitudinal studies are necessary to assess potential late-emerging sequelae in both monophasic ADS and MS.
• This study highlights the generally good prognosis for cognitive function in the short term after pediatric ADS.