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多发性肌炎与皮肌炎患者的临床与神经电生理特征分析 被引量:3

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摘要 目的 探讨多发性肌炎(PM)与皮肌炎(DM)患者的临床与神经电生理特征及其临床意义。方法对62例PM和DM患者的临床表现及肌电图检测特征进行分析。结果47例(75.8%,47162)患者头面部、颈背部或四肢出现大片暗红色、紫红色斑块,以眼睑水肿性紫红斑出现较早且多见,有的伴有痒疹;所有患者都有不同程度的肌无力表现,53例(85.5%,53/62)患者有肌痛,主要累及四肢近端肌肉,多为对称性,表现为自发性疼痛和压痛。肌电图检查见肌源性损害54例(87.1%,54/62);5例(8.1%,5/62)患者肌源性损害的同时合并有神经源性损害;25例(40.3%,25/62)患者肌电图插入电位出现纤颤电位、正锐波和少数肌僵直电位;3例(4.8%,3/62)患者出现下肢运动神经传导速度或感觉神经传导速度减慢。结论肌电图检查是诊断PM和DM的重要检查手段,选择肢体近端肌肉检查异常率较高,临床表现越重,肌肉损害越明显,肌电图可方便快捷地检测病情异常程度和客观地评价患者的治疗情况,辅助肌肉活检定位,提高PM和DM的诊断率。
作者 叶爱萍
出处 《中国医师进修杂志》 2011年第7期45-46,共2页 Chinese Journal of Postgraduates of Medicine
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