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目的分析经桡动脉途径应用改良球囊挤压支架术治疗冠状动脉分叉病变的可行性及成功率。方法经桡动脉途径造影证实血管病变处有直径>2.5 mm分支,分支起始部有>70%狭窄的患者17例,应用改良球囊挤压支架术治疗分叉病变,观察病变血管狭窄程度、斑块移位及球囊对吻扩张成功率和随访效果。结果分叉病变中均成功植入雷帕霉素药物洗脱支架,15例患者行同步对吻球囊技术进行后扩张,术后前向血流均为TIM IⅢ级,所有患者未发生边支急性闭塞、支架内血栓、心源性休克、死亡等并发症。结论冠心病分叉病变介入治疗中,经桡动脉途径通过6 F或7 F指引管完成改良球囊挤压支架术可获得满意结果,支架间隙小或无,再狭窄率低。
Objective To analyze the feasibility and success rate of transradial approach for the treatment of coronary artery bifurcation by modified balloon stenting. Methods Transradial arterial angiography confirmed that there were 17 patients with> 2.5 mm diameter branches and> 70% stenosis at the beginning of the angiographic lesions. Bifurcation lesions were treated with modified balloon compression stenting and the degree of vascular stenosis was observed. Plaque displacement and balloon kiss expansion success rate and follow-up results. Results In the bifurcation lesions, rapamycin-eluting stent was successfully implanted. Fifteen patients underwent synchronous dorsal balloon balloon balloon balloon inflation. The antegrade flow was TIM III grade after operation, and no limbs occurred in all patients Acute occlusion, stent thrombosis, cardiogenic shock, death and other complications. Conclusions In the interventional treatment of bifurcation lesions of coronary heart disease, the satisfactory results are obtained through the transcatheterization of 6F or 7F guide tubes through modified radial balloon stenting, with small or no scaffold clearance and low restenosis rate.