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目的 探讨早期静脉溶栓治疗对急性心肌梗死患者QT间期离散度 (QTd)的影响。方法 分析 5 5例急性心肌梗死 (AMI)患者 (溶栓组 )与 63例非溶栓组QT间期离散度 (QTd)的变化。结果 溶栓组与非溶栓组QTd比较 ,P <0 0 5 ;溶栓成功组与溶栓失败组QTd比较 ,P <0 0 1。结论 ①急性心肌梗死成功的早期静脉溶栓治疗能降低QT间期离散度 ,提高心电稳定性 ;②溶栓后QTd的减少可作为溶栓成功的间接指标之一
Objective To investigate the effect of early intravenous thrombolysis on QTd dispersion in patients with acute myocardial infarction. Methods The changes of QTd in 55 patients with acute myocardial infarction (AMI) and 63 patients without thrombolysis were analyzed. Results Compared with QTd in thrombolysis group and non-thrombolysis group, P <0 05; QTd in successful thrombolysis group and failed thrombolysis group were P <0.01. Conclusion ① The successful early intravenous thrombolysis in acute myocardial infarction can reduce the dispersion of QT interval and improve the stability of ECG. ② The decrease of QTd after thrombolysis can be used as an indirect index of successful thrombolysis