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目的探讨PCI治疗对急性冠脉综合征患者QTc离散度的影响。方法对照分析20例成功进行单支或多支PCI治疗患者术前及术后24h心电图与同期未行PCI治疗的20例急性冠脉综合征患者入院时及24h后12导联心电图对比分析,测量QTcd。结果PCI组治疗前后QTcd分别为62.25±7.15ms和44.75±6.12ms,差异有非常显著性意义。对照组QTcd为63.50±7.05ms和63.15±6.12ms,差异无显著性意义。结论有效PCI治疗能显著降低急性冠脉综合征患者的QTcd,降低心律失常的危险度,从而改善急性冠脉综合征患者的预后。
Objective To investigate the effect of PCI on QTc dispersion in patients with acute coronary syndrome. Methods Twenty patients in 20 patients with acute coronary syndrome who underwent PCI and single or multi-stent PCI before and 24 hours after PCI were enrolled in this study. Contrastive analysis was performed on 12-lead electrocardiogram at admission and 24 hours after PCI. QTcd. Results Before and after treatment, QTcd in PCI group was 62.25 ± 7.15 ms and 44.75 ± 6.12 ms, respectively, with significant difference. The QTcd of the control group was 63.50 ± 7.05ms and 63.15 ± 6.12ms, the difference was not significant. Conclusion Effective PCI can significantly reduce QTcd in patients with acute coronary syndrome and reduce the risk of arrhythmia, thus improving the prognosis of patients with acute coronary syndrome.