血栓抽吸在高血栓负荷患者急诊冠脉介入治疗中的应用

目的：探讨血栓抽吸在急性ST段抬高型心肌梗死（STEMI）患者急诊冠状动脉介入治疗（PCI）中对梗死相关动脉（IRA）高血栓负荷患者的临床效果。方法：71例STEMI患者急诊PCI时冠脉造影提示IRA高血栓负荷,其中40例应用Diver CE抽吸导管对IRA内血栓进行抽吸治疗为抽吸组,31例行标准PCI为PCI对照组;观察两组无复流现象、术后1h心电图ST段回落、肌酸激酶（CK）和肌酸激酶同工酶（CK-MB）的峰值、术后1周左心室射血分数（LVEF）及左心室舒张末期内径（LVEDd）、住院期间主要心脏不良事件（MACE）及出血并发症情况,并进行比较。结果：抽吸组无复流发生率明显低于PCI组（5.0%比22.6%,P〈0.05）,ST段回落率及LVEF明显高于PCI组[60.0%比32.3%、（58.0±6.4）%比（53.3±9.2）%,P均〈0.05];CK、CK-MB及LVEDd明显低于PCI组[（1692.9±394.5）U/L比（1995.1±571.5）U/L、（174.5±38.0）U/L比（203.7±65.2）U/L、（51.7±4.1）mm比（54.2±5.2）mm,P均〈0.05],两组住院期间MACE发生率差异无显著性（P〉0.05）。结论：在高血栓负荷的急性ST段抬高型心肌梗死患者急诊PCI中,应用Diver CE抽吸导管能有效减少梗死相关血管内血栓负荷,改善术后即刻心肌灌注,减少无复流现象的发生。

Application of thrombus suction during emergency percutaneous coronary intervention in patients with high thrombus burden

Objective:To explore the clinical effects of thrombus suction on infarct-related arteries(IRA) with high thrombus burden in patients with acute ST segment elevation myocardial infarction(STEMI) undergoing emergency percutaneous coronary intervention(PCI).Methods:A total of 71 STEMI patients showed high thrombus burden in IRA in coronary angiography during emergency PCI.Among the patients,a total of 40 cases used Diver CE suck catheter to suck thrombus in IRA were enrolled as suck group,and 31 cases received...