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  • Title: Long-Term Neurocognitive, Psychosocial, and Magnetic Resonance Imaging Outcomes in Pediatric-Onset Acute Disseminated Encephalomyelitis.
    Author: Beatty C, Bowler RA, Farooq O, Dudeck L, Ramasamy D, Yeh EA, Zivadinov R, Weinstock-Guttman B, Parrish JB.
    Journal: Pediatr Neurol; 2016 Apr; 57():64-73. PubMed ID: 26996404.
    Abstract:
    BACKGROUND: Acute disseminated encephalomyelitis (ADEM) is a demyelinating disorder that is usually self-limited. Recent studies have suggested ongoing neurological deficits and neurocognitive impairment in these patients. Little information on the correlation of clinical and neuroimaging markers in ADEM is available. We examined potential clinical factors (e.g., age of onset, acute symptom duration, magnetic resonance imaging [MRI] lesions) and their relation to neurocognitive and psychosocial outcomes. METHODS: This is a retrospective chart review of consecutive pediatric patients diagnosed with ADEM between 2006 and 2012. Patients were evaluated with standard neurological assessment, MRI of the brain, and neuropsychological evaluation. RESULTS: Twenty-three patients with ADEM with average age at neuropsychological assessment of 10.1 years (±3.50) were included. Five (22.7%) patients were impaired on three or more neurocognitive measures. Psychosocial problems were reported in 20%-40% of patients. Earlier age of onset was correlated with poorer sustained attention and psychosocial problems, whereas acute symptom duration and Expanded Disability Status Scale were not. MRI outcomes were correlated with psychosocial outcomes but not neuropsychological findings. CONCLUSIONS: Our findings suggest lingering cognitive and psychosocial deficits in children with a history of ADEM. Clinical features and MRI findings correlated more strongly with psychosocial outcomes than cognitive functioning. Further studies are needed to confirm relationships and other possible contributing factors to lingering deficits.
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