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目的:探讨无保护左主干病变支架置入术的近、远期疗效。方法:选择25例无保护左主干病变患者,其中4例左室射血分数<40%,>70岁9例,>80岁2例,行冠状动脉内支架术,分析其临床、手术成功率及随访结果。结果:左主干支架术的成功率100%,无任何严重并发症,术后随访6~42(14.5±12.1)个月,临床心绞痛复发4例(16%),其中2例再次行经皮冠状动脉腔内成形术,2例药物治疗。结论:支架置入术治疗无保护左主干病变近期及远期疗效显著,是值得肯定的治疗方法,正确的选择患者和熟练的操作技巧是成功的关键。
Objective: To investigate the short-term and long-term effects of unprotected left main stem stenting. Methods: Twenty-five patients with unprotected left main disease were selected. Among them, 4 patients had left ventricular ejection fraction <40%,> 70 years old, and> 80 years old. Two patients underwent coronary stenting. The clinical and operative success rates And follow-up results. Results: The success rate of left main stent was 100% without any serious complications. The follow-up was 6 to 42 (14.5 ± 12.1) months after operation and 4 (16%) cases of clinical angina recurrence. Two of them underwent percutaneous coronary intervention Endoplasty, 2 cases of drug treatment. Conclusions: Stent placement is a promising treatment for the treatment of unprotected left main disease in the short and long term. The correct choice of patients and skillful operation are the keys to success.