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重症患者获得性肌无力17例临床分析 被引量:10

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摘要 目的:探讨重症患者获得性肌无力(ICUAW)的肌电图和肌肉病理学特点,及其对预后的影响。方法回顾性分析山东大学齐鲁医院重症医学科2011年10月至2014年10月入住重症加强治疗病房(ICU)患者ICUAW的发生情况,选择20例肌肉活检患者的临床资料,收集肌电图及肱二头肌肌肉病理活检与电镜超微结构观察结果,记录机械通气时间、 ICU住院时间、总住院时间及预后。结果10例肌电图检查患者中1例符合吉兰-巴雷综合征肌电图改变,1例确诊为危重病性肌病(CIM)患者肌电图无异常,4例CIM患者表现为肌源性损害,4例CIM患者合并神经源性损害〔即危重病性多神经肌病(CIPMN)〕。17例ICUAW患者肌肉活检均显示为选择性Ⅱ型肌纤维萎缩,其中9例存在肌细胞坏死;2例患者肌肉活检证实为常染色体隐性遗传性肌病导致的肌无力与呼吸衰竭,1例吉兰-巴雷综合征患者肌肉活检无异常。5例患者电镜超微结构显示肌小节结构严重损伤与破坏、线粒体几乎消失。17例ICUAW患者机械通气时间(38.3 d±31.7),ICU住院时间(60.5±36.4) d,总住院时间(70.5±38.8) d;4例患者死亡。结论肌电图有助于鉴别CIM与神经系统疾病;而肌肉活检有助于发现少见病因导致的肌无力,重症患者以坏死性肌病为主,多合并肌源性与神经源性损伤,对患者预后产生不利影响。
出处 《中华危重病急救医学》 CAS CSCD 北大核心 2015年第4期306-309,共4页 Chinese Critical Care Medicine
基金 山东省自然科学基金(ZR2013HM088) 国家临床重点专科建设项目(2011-873)
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参考文献21

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