期刊
CLINICAL MEDICINE
卷 19, 期 2, 页码 169-176出版社
ROY COLL PHYS LONDON EDITORIAL OFFICE
DOI: 10.7861/clinmedicine.19-2-169
关键词
Neuromyelitis optica; aquaporin-4; antibody
Neuromyelitis optica spectrum disorder (NMOSD) is an uncommon antibody-mediated disease of the central nervous system. Long segments of spinal cord inflammation (myelitis), severe optic neuritis, and/or bouts of intractable vomiting and hiccoughs (area postrema syndrome) are classic presentations of the disease and may alert the clinician to the diagnosis. Untreated, approximately 50% of NMOSD patients will be wheelchair users and blind, and a third will have died within 5 years of their first attack. Unlike multiple sclerosis, a progressive clinical course is very unusual and the accrual of disability is related to relapses. Approximately 75% of patients have antibodies against aquaporin-4, a water channel expressed on astrocytes. Relapses are treated aggressively to prevent residual disability with high-dose steroids and often plasma exchange. Relapse prevention is crucial and achieved with long-term immunosuppression. In this article we review the pathogenesis, clinical features, diagnosis and management of NMOSD.
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