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目的探讨急性心肌梗死(AMI)行经皮冠状动脉介入治疗(PCI)后对再灌注心律失常的影响。方法 62例实施PCI治疗患者进行研究,探究在PCI治疗后再灌注心律失常(RA)出现的情况。结果急性心肌梗死患者急诊PCI治疗中,左前降支(LAD)闭塞组快速型心律失常的发生率与右冠动脉(RCA)闭塞组比较差异无统计学意义(P>0.05)。RCA闭塞组缓慢型心律失常发生率明显高于LAD闭塞组,差异具有统计学意义(P<0.05);AMI发病在6 h内梗死相关动脉(IRA)开通者RA发生的几率高于6~12 h之内IRA开通者(P<0.05)。结论在AMI患者PCI治疗中RA发生几率与闭塞的冠状动脉及AMI发病之后IRA开通的时间有很大的关系。
Objective To investigate the effect of acute myocardial infarction (AMI) on reperfusion arrhythmia after percutaneous coronary intervention (PCI). Methods Sixty-two patients undergoing PCI were studied to investigate the occurrence of reperfusion arrhythmias (RA) after PCI. Results The incidence of tachyarrhythmia in patients with acute myocardial infarction was significantly lower than that in patients with right coronary artery occlusion (P> 0.05) in emergency PCI. The incidence of bradyarrhythmia in RCA occlusion group was significantly higher than that in LAD occlusion group, the difference was statistically significant (P <0.05). The incidence of RA in infarction-related artery (IRA) was higher in AMI than 6-12 h within IRA open (P <0.05). Conclusion The incidence of RA in PCI patients with AMI is closely related to the time of IRA opening after occlusion of coronary artery and AMI.