期刊
ANNALS OF NEUROLOGY
卷 66, 期 1, 页码 11-18出版社
WILEY
DOI: 10.1002/ana.21756
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资金
- NCI NIH HHS [R01 CA107192, 2R01CA89054, R56 CA089054, R01CA107192, R01 CA089054, R56 CA089054-06A1, R01 CA089054-07] Funding Source: Medline
- NIMH NIH HHS [F31MH083395, F31 MH083395] Funding Source: Medline
- PHS HHS [NSR56-45986, NSR01-45986] Funding Source: Medline
Objective: To report the clinical features of anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis in patients <= 18 Years old. Methods: Information was obtained by the authors or referring physicians. Antibodies were determined by immunohistochemistry and enzyme-linked immunosorbent assay (ELISA) using HEK293 cells ectopically expressing NR1. Results: Over an 8-month period, 81 patients (12 male) with anti-NMDAR encephalitis were identified. Thirty-two (40%) were <= 18 years old (youngest 23 months, median 14 years); 6 were male. The frequency of ovarian teratomas was 56% in women > 18 years old, 31% in girls <= 18 years old (P = 0.05), and 9% in girls <= 14 years old (p = 0.008). None of the male patients had Minors. Of 32 patients <= 18 years old, 87.5% presented with behavioral or personality change, sometimes associated with seizures and frequent sleep dysfunction; 9.5% with dyskinesias or dystonia; and 3% with speech reduction. On admission, 53% had severe speech deficits. Eventually, 77% developed seizures, 84% stereotyped movements, 86% autonomic instability, and 23% hypoventilation. Responses to immunotherapy were slow and variable. Overall, 74% had full or substantial recover), after immunotherapy or tumor removal. Neurological relapses occurred in 25%. At the last follow-up, full recovery Occurred More frequently in patients who had a teratoma that was removed (5/8) than in those without a teratoma (4/23; p = 0.03). Interpretation: Anti-NMDAR encephalitis is increasingly recognized in children, comprising 40% of all cases. Younger patients are less likely to have tumors. Behavioral and speech problems, seizures, and abnormal movements are common early symptoms. The phenotype resembles that of the adults, although dysautonomia and hypoventilation are less frequent or severe in children.
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