Clinical Analysis of Anti-NMDAR Encephalitis Combined with MOG Antibody in Children
2020
Abstract Objective : To analyze the clinical features in children with anti-NMDAR encephalitis combined with myelin oligodendrocyte glycoprotein antibody (MOG ab). Methods : Clinical data of 7 children with anti-NMDAR encephalitis combined with MOG ab(+) were collected in Guangzhou Women and Children's Medical Center from January, 2016 to June, 2019. Children with NMDAR ab(+)/MOG ab(-) and MOG ab(+)/NMDAR ab(-) were randomly selected as controls. Results : Onset age was 6.0 (IQR 5.0-7.0) years old, male to female was 2:5. Prominent symptoms include abnormal mental behavior (7/7), sleep disorder (6/7), speech disorder (6/7), involuntary movement (4/7) and paralysis (4/7). There were significant differences between NMDAR ab(+)/MOG ab(+) group versus MOG ab(+)/NMDAR ab(-) and NMDAR ab(+)/MOG ab(-) group versus MOG ab(+)/NMDAR ab(-) group (P Conclusion NMDAR and MOG antibodies can coexist in children with autoimmune encephalitis. Double antibody positive subjects had more overlaps in clinical manifestations with NMDAR encephalitis, and more overlaps in MRI changes with MOG ab related disease. Higher persistent MOG antibody titer may indicate recurrence, while higher persistent NMDAR antibodies titer may cause neurological sequelae.
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