Evaluation of the Edrophonium Challenge Test for Cervical Dystonia

被引:5
作者
Matsumoto, Shinichi [1 ]
Murakami, Nagahisa [2 ]
Koizumi, Hidetaka [2 ]
Takahashi, Masatoshi [1 ]
Izumi, Yuishin [2 ]
Kaji, Ryuji [2 ]
机构
[1] Shinko Hosp, Dept Neurol, Kobe, Hyogo, Japan
[2] Univ Tokushima, Grad Sch, Inst Hlth Biosci, Dept Clin Neurosci, Tokushima, Tokushima, Japan
关键词
cervical dystonia; edrophonium; BOTULINUM TOXIN; PATHOPHYSIOLOGY; DIAGNOSIS; THERAPY; PAIN;
D O I
10.2169/internalmedicine.8555-16
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Objective To examine whether or not an edrophonium challenge test is useful for diagnosing cervical dystonia. Patients We evaluated 10 patients with cervical dystonia and 10 with hemifacial spasms (disease controls). patients:We administered edrophonium and saline in this double-blinded study. Before and after the injection, we recorded the participants' clinical signs using a video camera to assess the objective symptoms every two minutes. Ten minutes after the saline and edrophonium injections, participants evaluated their subjective clinical signs using a visual analog scale. The objective signs on the video recordings were scored by specialists who were blinded to the treatment. The mean visual analog scale scores were compared using the Wilcoxon ranksum test for paired continuous variables. Results The clinical signs of participants with cervical dystonia were amplified by edrophonium. In contrast, the clinical signs in participants with hemifacial spasms were not affected by the edrophonium challenge test. Conclusion The edrophonium challenge test may be useful for diagnosing cervical dystonia.
引用
收藏
页码:2415 / 2421
页数:7
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