Electrocardiogram characteristics of electrical storm in hypertension patients with hypertrophy and acute myocardial infarction and the effects on prognosis
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    Abstract:

    目的探讨高血压并ST段抬高急性心肌梗死(AMI)后心电图特征性改变,评估室性电风暴与临床预后的关系。方法对有高血压并ST段抬高AMI室性电风暴(室速或室颤)患者367例(电风暴组)及无高血压室性电风暴AMI患者120例(无电风暴组)进行心电图检查和持续心电监护,分析心电图特征与临床高危特点。结果室性电风暴组患者心电图可见心房终末电位异常、∑ST段抬高振幅增高、ST段抬高导联数增多、QTc间期延长、对应导联ST段振幅下移发生率高,梗死部位以前壁或复合前壁、左前降支合并回旋支或(和)右冠脉完全闭塞多支病变为主,与无室性电风暴组比较,差异有显著性(P<0.05),临床并发泵衰竭、AMI扩展、住院病死率、室性电风暴AMI发病后<6h内发生率明显增多(P<0.01)。结论高血压并ST段抬高AMI室性电风暴患者,心电图多项指标异常对临床预后险恶有预测作用。

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