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目的:观察急性心肌梗塞(AMI)患者应用直接经皮冠状动脉腔内成形术(PTCA)的安全性和有效性。方法:对10例AMI患者在发病12小时内行直接PTCA术。梗塞相关血管:前降支4例(40％),回旋支2例(20％),右冠状动脉4例(40％)。TIMI血流:0级5例(50％),1级3例(30％),2级2例(20％)。结果:10例患者手术全部成功(100％),TIMI血流3级,从胸痛发作至梗塞相关血管开通时间为(4.8±1.66)小时。随访15天到4个月无心肌缺血、再狭窄及再梗塞发生,结论:直接PTCA是治疗急性心肌梗塞的安全有效措施,成功率较高,并发症少;术后复发心肌缺血发生率较溶栓治疗低。
Objective: To observe the safety and efficacy of direct percutaneous transluminal coronary angioplasty (PTCA) in patients with acute myocardial infarction (AMI). Methods: 10 cases of AMI patients within 12 hours of onset of direct PTCA. Infarct-related blood vessels: 4 cases (40%) of anterior descending artery, 2 cases (20%) of circumflex and 4 cases (40%) of right coronary artery. TIMI blood flow: grade 0 in 5 cases (50%), grade 1 in 3 cases (30%) and grade 2 in 2 cases (20%). RESULTS: All of the 10 patients achieved successful surgery (100%) with grade 3 TIMI flow and a duration of (4.8 ± 1.66) hours from the onset of chest pain to the time of infarction-related vascular opening. Follow-up 15 days to 4 months without myocardial ischemia, restenosis and re-infarction, Conclusion: Direct PTCA is a safe and effective treatment of acute myocardial infarction, high success rate, fewer complications; postoperative recurrence of myocardial ischemia Lower than thrombolytic therapy.