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Published on: July 4, 2007
Acute disseminated encephalomyelitis: the time until diagnosis and its subsequent course in children
Taku Omata1, Katsunori Fujii, Yuzo Tanabe
11Division of Child Neurology, Chiba Children's Hospital, Chiba, Japan.
Insights
Diagnosing acute disseminated encephalomyelitis in children can be delayed, but prompt steroid pulse therapy leads to rapid improvement and good outcomes, even with delayed treatment.
Area of Science:
- Pediatric Neurology
- Neuroimmunology
- Demyelinating Diseases
Background:
- Acute disseminated encephalomyelitis (ADEM) typically presents acutely but can have delayed diagnosis due to nonspecific symptoms.
- Understanding diagnostic timelines and treatment responses in pediatric ADEM is crucial for optimizing patient care.
Purpose of the Study:
- To investigate the time from symptom onset to definitive diagnosis in pediatric ADEM.
- To evaluate the treatment course and outcomes following steroid pulse therapy in children with ADEM.
Main Methods:
- Retrospective analysis of 7 pediatric patients diagnosed with ADEM.
- Assessment of time to diagnosis, treatment protocols (steroid pulse therapy), and clinical outcomes.
Main Results:
- The mean time from symptom onset to diagnosis was 20.7 days.
- All patients received steroid pulse therapy, showing rapid improvement.
- Mean duration from treatment initiation to hospital discharge was 8.6 days.
- No neurological sequelae were observed in any of the patients.
Conclusions:
- Pediatric ADEM diagnosis may be delayed compared to adults.
- Steroid pulse therapy is effective in pediatric ADEM, leading to good outcomes.
- Delayed diagnosis does not appear to negatively impact the prognosis in pediatric ADEM.
Abstract:
Acute disseminated encephalomyelitis has an acute onset followed by improvement over several weeks. However, some cases require more time for a definitive diagnosis after protracted psychiatric or nonspecific symptoms. The authors investigated the time from onset to definitive diagnosis, subsequent course of treatment, and outcomes in 7 children with acute disseminated encephalomyelitis treated at the authors' hospital. The mean duration of illness before definitive diagnosis was 20.7 days (range: 2-50 days). Steroid pulse therapy was performed in all cases, and rapid improvements were observed; the mean duration from treatment initiation to hospital discharge was 8.6 days (range: 4-14 days). None of the cases showed neurological sequelae. Although this study investigated a small number of patients, its results suggest that time to diagnosis is often longer in children than in adults, and even in cases of delayed treatment, response to steroid pulse therapy is good and outcomes may not necessarily be affected.
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