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运动试验阴性而冠状动脉造影阳性病例的分析

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摘要 目的探讨平板运动试验阴性而冠状动脉造影阳性病例的特点。方法平板运动试验以运动中及恢复期R波为主的导联出现ST段水平型下移<0.05 mV为阴性标准。冠状动脉造影以冠状动脉狭窄直径>50%为阳性标准。结果 62例患者冠状动脉动造影共累计病变数108处,病变范围在50%~74%占64处,病变范围在75%~89%占33处,病变范围在90%~95%占11处。冠状动脉单支病变41例(66.1%),以右冠状动脉及左前降支为多,占73.2%(30/41),双支病变15例(占24.2%),左前降支+右冠状动脉较多,占53.3%(8/15),三支病变6例(占9.7%)。62例患者中有侧支循环占29例。15例运动量不足中,男性占12例,女性占3例。结论冠心病患者平板运动试验阴性的原因:病变小;病变狭窄程度轻;狭窄病变供血的心肌存在良好的侧支循环;未达到运动量。对于有临床症状而平板运动试验阴性的患者应行冠状动脉造影检查,以明确诊断。
作者 吴小敏
出处 《临床医学》 CAS 2010年第6期94-95,共2页 Clinical Medicine
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