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Updated: Jun 3, 2026

Induction and Clinical Scoring of Chronic-Relapsing Experimental Autoimmune Encephalomyelitis
Published on: July 4, 2007
Acute disseminated encephalomyelitis: a long-term prospective study and meta-analysis
P Pavone1, M Pettoello-Mantovano, A Le Pira
1Department of Pediatrics, University Hospital Vittorio Emanuele, Catania, Italy.
Acute disseminated encephalomyelitis (ADEM) in children is typically benign, affecting more boys than girls. This condition rarely recurs, with most pediatric cases showing good outcomes.
Area of Science:
- Pediatric Neurology
- Neuroimmunology
- Demyelinating Diseases
Background:
- Limited literature exists on acute disseminated encephalomyelitis (ADEM) in pediatric populations.
- Understanding ADEM's characteristics and outcomes in children is crucial for diagnosis and management.
Purpose of the Study:
- To conduct a prospective clinical and imaging study of pediatric ADEM.
- To perform a systematic review and meta-analysis of published pediatric ADEM cohorts.
Main Methods:
- Prospective study of 17 children with ADEM (1992-2009).
- Systematic review and meta-analysis of 15 published pediatric ADEM cohorts (750 cases).
Main Results:
- Pediatric ADEM incidence is 1.1 per 100,000 person-years (children <10).
- Compared to prior cohorts, ADEM in this study presented younger (mean 3.6 years), had a higher male-to-female ratio (1.4), and a higher rate of preceding triggers (88%).
- Most patients (94%) had good outcomes, with a lower relapse rate (12%) than previously reported.
Conclusions:
- Acute disseminated encephalomyelitis in children is generally a benign neurological condition.
- ADEM predominantly affects boys and has a low recurrence rate.
- Early identification and management contribute to favorable outcomes in pediatric ADEM.
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