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目的通过观察急性ST段抬高型心肌梗死行急性血管再通及未行血管再通治疗的心电图碎裂QRS波(Fragmented QRS complex,fQ RS)变化,探讨fQ RS评估急性ST段抬高型心肌梗死血管再通的临床价值。方法观察急性ST段抬高型心肌梗死行急诊溶栓、行急诊经皮冠状动脉介入治疗(percutaneous transluminal coronary intervention,PCI)血管再通患者、未行急诊血管再通治疗患者心电图fQ RS发生率。结果 STEMI溶栓后冠脉血管再通组fQ RS波发生率明显低于未通组(p<0.01);STEMI行急诊PCI后fQ RS波发生率明显低于未行急诊PCI组(p<0.01);STEMI行急诊PCI术前组与术后组fQ RS发生率比较无明显差异(p>0.05)。结论碎裂QRS波对评估急性ST段抬高型心肌梗死冠脉血管再通具有重要临床价值。
Objective To investigate the changes of fQ RS in patients with acute ST-segment elevation myocardial infarction undergoing acute revascularization and without revascularization, and to investigate the effect of fQ RS on acute ST-segment elevation myocardial infarction Clinical value of infarction revascularization. Methods The incidence of electrocardiographic fQ RS in patients with acute ST-segment elevation myocardial infarction undergoing emergency thrombolytic therapy and undergoing emergency percutaneous transluminal coronary intervention (PCI) and without revascularization was observed. Results The incidence of fQ-RS wave in the recanalization group after STEMI was significantly lower than that in the non-recanalization group (p <0.01). The incidence of fQ-RS wave in STEMI group was significantly lower than that in the non-emergency PCI group (p <0.01) ). There was no significant difference in the incidence of fQ RS between preoperative and postoperative STEMI patients (p> 0.05). Conclusion Fragmentation QRS wave has important clinical value in assessing coronary recanalization of acute ST-segment elevation myocardial infarction.