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Stiff-Person Syndrome: Results of the First Nationwide Survey in Japan Naoko Matsui 1 , Keiko Tanaka 2,3 , Yuishin Izumi 1 1Department of Neurology, Graduate School of Biomedical Sciences, Tokushima University 2Department of Animal Model Development, Brain Research Institute, Niigata University 3Department of Multiple Sclerosis Therapeutics, Fukushima Medical University, School of Medicine Keyword: スティッフパーソン症候群 , 筋硬直 , 罹患率 , GAD65抗体 , GlyR抗体 , stiff-person syndrome , muscle stiffness , prevalence , GAD65 antibodies , GlyR antibodies pp.961-967
Published Date 2024/8/1
DOI https://doi.org/10.11477/mf.1416202713
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Abstract

Stiff-person syndrome (SPS) is a rare autoimmune neurological disorder characterized by progressive axial muscle stiffness, central nervous system hyperexcitability, and painful stimulus-sensitive muscle spasms. A nationwide survey performed in 2018 showed the estimated prevalence of SPS was 0.2 per 100,000 population. Most patients with SPS had antibodies against glutamic acid decarboxylase 65, followed by antibodies to the glycine receptor α-subunit. Usually, patients with SPS showed favorable outcomes; however, some studies have reported intractable SPS. Early diagnosis and aggressive immunotherapy are necessary for management of patients with SPS.


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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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