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急性下壁心肌梗死对应导联ST段变化与冠状动脉病变的关系

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摘要 目的 :用冠状动脉造影术研究急性下壁心肌梗死 (AIMI)对应导联 ST段变化与冠状动脉病变的关系。方法 :94例 AIMI共分 4组 :1组 ,下壁梗死同时伴有 V1~ 6 导联 ST段下移。2组 ,下壁梗死同时伴有 I、av L导联 ST段下移。3组 ,下壁梗死同时伴有 V7~ 9导联 ST段抬高。 4组 ,下壁梗死不伴有其他导联 ST段变化。所有患者均进行冠状动脉造影。结果 :在下壁心肌梗死伴有 V1~ 6 导联 ST段下移组 2 7例中有 85 .2 %为右冠状动脉病变 ,但同时伴有前降支病变的却有 77.8% ,其中单支病变仅 18.5 %。下壁心肌梗死未伴有 V1~ 6 导联 ST段下移组 2 6例中有 88.5 %为右冠状动脉病变 ,但同时伴有前降支病变的仅有 34.6 % ,其中单支病变达 6 1.5 %。两组统计学分别为 P<0 .0 0 1和 P<0 .0 1。下壁心肌梗死伴有 I、av L导联 ST段下移组 2 3例中 3支病变的占总数 5 2 .2 % ,双支病变的占总数的 2 1.7% ,共占总数的73.9%。与无 ST段下移的下壁心肌梗死的患者比在累及左前降支和左回旋支的比例均有明显差异 (P<0 .0 0 1和 P<0 .0 5 ) ,下壁心肌梗死伴有 V7~ 9导联 ST段抬高的患者中左回旋支病变达 5 5 .6 %。结论 :AIMI时对应导联 ST段变化与冠状动脉病变的关系与部位有关。 AIMI伴有 V1~ 6 导联 ST段下移多为伴有前壁心?
出处 《华夏医学》 2004年第6期903-905,共3页 Acta Medicinae Sinica
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