Excessive Daytime Sleepiness in Patients with Myasthenia Gravis

作者：Charles D. Kassardjian, Seint Kokokyi, Carolina Barnett, Dana R. Jewell, Vera Bril, Brian James Murray, Hans Dieter Katzberg · 发表于：Journal of Neuromuscular Diseases · 年份：2015 · DOI：10.3233/jnd-140057 · 被引用次数：12 · 研究领域：Myasthenia Gravis and Thymoma、Glycogen Storage Diseases and Myoclonus、Fibromyalgia and Chronic Fatigue Syndrome Research

Excessive daytime sleepiness (EDS) has not been investigated using objective tests in myasthenia gravis (MG). We investigated whether objective measurements of somnolence better detected abnormalities compared with sleepiness questionnaires in MG, and determine if MG patients have EDS. Eight patients with mild-to-moderate MG were recruited. Patients completed maintenance of wakefulness, overnight polysomnography, multiple sleep latency tests, Epworth Sleepiness Scale, and fatigue questionnaires. Seven patients demonstrated EDS on objective testing, while Epworth scores were abnormal in two, and the measures showed poor correlation. Our findings highlight that the ESS may be inadequate to diagnose EDS and lead to under-reporting of daytime somnolence in patients with MG.