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目的:评价药物洗脱支架(DES)治疗左乳内动脉(LIMA)桥血管病变的临床效果。方法:回顾性分析从2004年5月到2006年5月我院对LIMA桥血管病变连续行经皮冠状动脉介入治疗(PCI)13例患者。结果:患者基线特点:年龄(57.5±10.2)岁;男性10例(76.9%);既往心肌梗死8例(61.5%);既往PCI7例(53.8%);糖尿病6例(46.2%);左心室射血分数0.466±0.312。病变基线特点:远端吻合口12例(92.3%);体部1例(7.7%)。参照血管直径(2.95±0.47)mm;病变长度(14.0±14.6)mm。置入DES100%;支架直径(2.92±0.49)mm;支架长度(18.8±6.2)mm;支架释放压力(13.5±2.5)atm。介入成功率100%。所有患者完成6个月临床随访,有3例完成造影随访。主要心脏不良事件0%;无死亡、急性心肌梗死、靶血管再血管化治疗。有3例患者因非靶病变再次行PCI治疗。结论:DES治疗LIMA桥血管病变是安全可行的。
Objective: To evaluate the clinical effect of drug-eluting stent (DES) in the treatment of left internal mammary artery (LIMA) bridge vascular disease. Methods: From May 2004 to May 2006, we retrospectively analyzed 13 consecutive patients undergoing percutaneous coronary intervention (PCI) with LIMA bridge in our hospital. Results: The baseline characteristics of the patients were 57.5 ± 10.2 years old, 10 males (76.9%), 8 myocardial infarction (61.5%), 7 cases of previous PCI (53.8%), 6 cases of diabetes mellitus (46.2% The ejection fraction was 0.466 ± 0.312. Baseline characteristics of lesions: distal anastomosis in 12 cases (92.3%); body in 1 case (7.7%). Reference vessel diameter (2.95 ± 0.47) mm; lesion length (14.0 ± 14.6) mm. The stent diameter (2.92 ± 0.49) mm; stent length (18.8 ± 6.2) mm; stent release pressure (13.5 ± 2.5) atm. Intervention success rate of 100%. All patients completed 6 months of clinical follow-up, 3 patients completed angiography follow-up. 0% of major adverse cardiac events; no death, acute myocardial infarction, target revascularization of blood vessels. Three patients underwent PCI again due to non-target lesions. Conclusion: DES treatment of LIMA bridge vascular disease is safe and feasible.