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心肌传导的不均一性与慢性充血性心力衰竭病人的预后

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摘要 目的研究QRS间期和QRS间期离散度对严重慢性心力衰竭病人预后的预测价值。方法90例继发于缺血性心脏病或扩张型心肌病的严重慢性心力衰竭的住院病人分成3组:存活组50例,心脏性死亡非猝死组25例,猝死组15例。所有病人均有标准12导心电图记录,均测量QRS间期、QT间期,计算QRS离散度、QT离散度、辨别左束支传导阻滞。结果心脏性死亡非猝死组QTd、QRSD、QRSd(单位毫秒ms)与存活组比分别为95±48ms:78±31ms、127±34ms:113±32ms、54±17ms:46±16ms,P<0.05。猝死组QRSD、QRSd与存活组相比分别为132±36ms:113±32ms、56±13ms:46±16ms,P<0.05。此外猝死组LBBB的发生率明显高于存活组,χ2=7.44,P<0.01。结论QRSD、QRSd对严重慢性心力衰竭病人的预后有预测价值并有可能预测死亡方式,伴有LBBB的病人猝死的风险明显增加。
出处 《江西医药》 CAS 2005年第12期820-821,共2页 Jiangxi Medical Journal
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