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Anti-N-methyl-D-aspartate receptor encephalitis: analysis of three cases
Ist Teil von
Zhongguo xian dai shen jing ji bing za zhi, 2015-07, Vol.15 (7), p.578-582
Ort / Verlag
Tianjin Shi: Tianjin Huanhu Hospital
Erscheinungsjahr
2015
Link zum Volltext
Quelle
EZB Free E-Journals
Beschreibungen/Notizen
Objective To study clinical features, diagnosis, therapy response and prognosis of anti-N-methyl-D-aspartate receptor (anti-NMDAR) encephalitis. Methods Three cases with anti-NMDAR encephalitis were reported. The clinical features, laboratory examinations, imaging, EEG and therapy response of 3 cases were retrospectively analyzed, and also related literatures were reviewed. Results Two patients were young male and one patient was old female. Main symptoms included psychiatric symptoms in 3 cases (mania in 2 male patients and stupor in the female patient), epilepsy in 2 cases and respiratory failure in one case. The results of MRI examination revealed normal, while EEG examination showed abnormal in all cases. No tumor was detected in any of these patients. Lumbar puncture revealed normal cerebrospinal fluid (CSF) pressure (3 cases), elevated white blood cell (WBC, 3 cases) and protein quantification (one case). All cases were confirmed to have the disease by detection of anti-NMDAR antibodies in serum and CSF. One male patient got better after receiving immunotherapy with methylprednisolone and intravenous immunoglobulin (IVIg), but psychiatric symptoms were left over. Another male patient had no response to the above treatment. But the female patient was improved without immunotherapy. All 3 cases were followed up for one year after being discharged. One male patient died by accident because of mental disorders. Another male patient showed no sign of relief. The female patient got mild personality and memory change. Conclusions Anti-NMDAR encephalitis is a new type of autoimmune encephalitis. It is characterized by fever, memory deficits, seizures, disturbance of consciousness, and autonomic dysfunction in males and females of all ages. This type of encephalitis is often associated with teratoma, and has a good response to immunotherapy. There is a certain correlation between progression and prognosis.