急性心肌梗死患者择期PCI术中支架释放压力与无复流相关性分析

Relationship of no-reflow phenomenon with extension pressure of stent dilation during elective pereutaneous coronary intervention (PCI) in the patients with acute myocardial infarction

目的观察急性心肌梗死患者择期行经皮冠状动脉介入治疗中支架释放压力与冠脉出现无复流的相关性。方法对2008年8月至2010年8月河北大学附属医院心脏内科急性心肌梗死患者择期行PCI术治疗的患者进行回顾性分析,根据支架释放压力的大小分为2组,常规压力组,支架释放压力<1 823.4kPa(18atm),共54人;高压力组,支架释放压力≥1 823.4kPa(18atm),共49人。对其支架释放后的即刻血流进行TIMI分级,评价支架释放压力与无复流的相关性。结果高压力组患者较常规压力组患者冠状动脉出现无复流的现象明显增多(P<0.05),有统计学意义。结论急性心肌梗死患者进行择期PCI术,较高压力释放支架出现无复流现象高于常规压力。

Objective To evaluate the relationship of no-reflow phenomenon with extension pressure of stent dilation during elective pereutaneous coronary intervention（PCi） in the patients with acute myocardial infarction.Methods 103 patients with acute myocardial infarction treated from August 2008 to August 2010 in the Department of Cardiology of Affiliated Hospital of Hebei University were retrospectivly analyzed.According to the drgree of pressure of stent release,the patients were divided into two groups： routine extension pressure group,（extension pressure of stent release1 823.4 kPa,n=54）,higher extension pressure group（extension pressure of stent release≥1 823.4kPa,n=49）.in the crouse of PCi,Thrombolysis in myocardial infarction（TiMi） flow grade was assessed and then the relationship of no-reflow phenomenon with extension pressure of stent release was evaluated.Results Compared with the routine extension pressure group,the no-reflow phenomenon was increased significantly in the patients of higher extension pressure group（P0.05）.Conclusion in the patients of acute myocardial infarction with elective PCi,no-reflow phenomenon in the patients of higher extension pressure were increased more than that in the patients of the routine extension pressure group.