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目的探讨经皮冠状动脉介入(percutaneous coronary intervention,PCI)治疗无保护左主干(unprotected1eft main coronary artery,ULMCA)病变的临床疗效。方法本院2007年1月至2008年8月接受PCI的19例无保护左主干病变的患者进行门诊随访,观察主要心脏事件及近、远期疗效。结果手术即刻成功率100%,无严重术中并发症,所有患者置架处血流均达TIMIⅢ级。所有患者住院期间无主要心脏不良事件(major adverse cardiac events,MACE)发生并完成随访,最长随访时间20个月,最短随访时间1个月,平均随访时间(12.32±5.70)个月。所有患者病情均稳定,心绞痛症状得到不同程度缓解,一般日常活动无心绞痛发作。结论对经过选择的无保护左主干病变患者进行支架置入是安全可行的,并有良好的近、远期疗效。
Objective To investigate the clinical effect of percutaneous coronary intervention (PCI) on unprotected left main coronary artery (ULMCA) lesions. Methods From January 2007 to August 2008, 19 patients with unprotected left main trunk disease undergoing PCI were followed up and observed the major cardiac events and the short-term and long-term effects. Results Immediate success rate of surgery was 100%, no serious intraoperative complications, all patients at the stent blood flow reached TIMI Ⅲ grade. All patients were hospitalized without major adverse cardiac events (MACE) and completed the follow-up. The longest follow-up time was 20 months, the shortest follow-up time was 1 month and the average follow-up time was (12.32 ± 5.70) months. All patients were stable condition, angina pectoris were relieved to varying degrees, the general daily activities without angina pectoris. Conclusion Stent placement in selected patients with unprotected left main disease is safe and feasible with good near and long-term outcomes.