Prevalence, incidence and clinical features of neuromyelitis optica spectrum disorders in northern Japan

Neuromyelitis optica spectrum disorder (NMOSD) is an autoimmune inflammatory disorder of the central nervous system that predominantly targets the optic nerve and spinal cord. In 2001, we began conducting epidemiological surveys on multiple sclerosis (MS) and NMOSD in the Tokachi area of Hokkaido Island in Japan, and have since reported the data every 5 years. In the last survey in 2016, we first applied the 2015 criteria and reported that the prevalence of NMOSD in the Japanese population was similar to that in Caucasians.1 We conducted an epidemiological survey of NMOSD in 2021 to determine the prevalence and clinical characteristics of NMOSD in the Tokachi area, and to analyse its clinical characteristics. The population of Tokachi province per the Government Census Office was 334 736 (160 533 men, 174 203 women) at the end of March 2021. Processing sheets for the detailed coding of clinical data were sent to 14...
Source: Journal of Neurology, Neurosurgery and Psychiatry - Category: Neurosurgery Authors: Tags: PostScript Source Type: research