Analysis of electroencephalogram characteristics of anti-NMDA receptor encephalitis patients in China

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
Y ZhangYingying Su

Abstract

To explore the characteristics of electroencephalogram (EEG) in patients with anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. Anti-NMDAR encephalitis patients admitted to the Department of Neurology between January 2012 and June 2016 were enrolled. All patients underwent electroencephalogram (EEG) at least once in the disease peak stage, and received tumor screening, symptomatic therapy, and immunotherapy. Patients received outcome evaluation every 6months after the immunotherapy, and modified Rankin scale (mRS) 0-2 was defined as favorable outcome. This study enrolled 62 cases of anti-NMDAR encephalitis patients, including 29 males (46.8%) and 33 females (53.2%). The patient ages were between 10 and 59 (mean 26.3±11.3) years. A total of 93 instances of EEG monitoring were performed on 62 patients. At the peak stage, EEG presentations showed 61 cases (98.4%) were abnormal, cranial MRI showed 29 cases (46.8%) were abnormal among all 62 patients. The main presentations of abnormal EEG were diffuse slowing (25 cases, 40.3%), epileptiform discharges (11 cases, 17.7%), extreme delta brush (EDB) (10 cases, 16.1%), polymorphic delta rhythm (6 cases, 9.7%), focal slowing (5 cases, 8.1%), and diffuse beta activities (4 cas...Continue Reading

Citations

Jan 15, 2019·Journal of Neurology, Neurosurgery, and Psychiatry·Yaqing ShuXinhua Yu
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