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目的 评价肉毒素A治疗中风或脑外伤后上肢痉挛的单一剂量与剂量反应的关系。 方法 21例患者均有偏瘫伴难治性上肢痉挛,其中脑中风者19例,脑外伤2例。评测内容包括:改良Ashworth评分,关节活动度测量,姿势性残疾及综合评定。21例患者随机分入同等容量的生理盐水组(对照组),肉毒素A500单位(mouse units,Mu),1000Mu和1500Mu组。肌肉注射的范围和注射量依痉挛部位而定,2/3随机剂量注射在肘关
Objective To evaluate the relationship between single dose and dose response of botulinum toxin A in the treatment of upper extremity spasticity following stroke or traumatic brain injury. Methods Twenty-one patients had hemiplegia and refractory upper extremity spasm, of which 19 were stroke and 2 were traumatic brain injury. The assessment included: modified Ashworth score, measure of joint activity, postural disability and comprehensive evaluation. Twenty-one patients were randomized into the same volume of normal saline (control group), mouse units (Mu), 1000Mu and 1500Mu. Muscle injection range and injection volume depends on the site of spasm, 2/3 random dose injection in the elbow