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目的了解国产药物涂层支架(Firebird,微创)治疗左主干病变的的近中期疗效。方法抢救中心在2004年4月至2005年9月共有32例无保护左主干病变(LMCA)患者进行了PCI治疗,共植入Firebird支架(微创)39枚。对左主干开口和干段不累及远端分叉病变仅植入1枚支架;对于远端分叉病变选择T支架、通过LCX开口支架、对吻支架术。患者出院后1、6、12个月进行随访,造影随访5～10个月。观察国产药物涂层支架在LMCA病变中心性死亡、再狭窄、靶病变的重建率(TLR)、靶血管的重建率(TVR)等临床情况。结果LMCA病变中以远端分叉病变占大多数为53.1%,处理LMCA的分叉病变策略,本研究多为T支架术(47%),其次为支架通过LCX开口(35.3%)。LMCA开口和干段病变行PCI长期随访无一例再狭窄。本组研究造影随访率为62.3%,再狭窄率5%,TLR 5%,TVR 10%,心性死亡6.3%。结论低危的无保护左主干病变药物洗脱支架的植入可以获得满意的临床疗效。
Objective To understand the near-mid-term efficacy of domestic drug-coated stent (Firebird, minimally invasive) in the treatment of left main disease. Methods A total of 32 patients with unprotected left main disease (LMCA) underwent PCI during April 2004 to September 2005. A total of 39 Firebird stents (minimally invasive) were implanted. Only one stent was implanted into the distal left bifurcation and distal bifurcation. The T-stent was selected for the distal bifurcation lesion, and the kyphosis was performed through the LCX open stent. The patients were followed up for 1, 6 and 12 months after discharge. The patients were followed up for 5 to 10 months. To observe the clinical characteristics of domestic drug-eluting stent in the central death, restenosis, target lesion reconstruction rate (TLR) and target vessel reconstruction rate (TVR) in LMCA lesions. Results The distal bifurcation lesions accounted for 53.1% of the cases with distal bifurcation lesions, and were mostly treated with T stenting (47%), followed by the stent through the LCX opening (35.3%). There were no cases of restenosis with long-term follow-up of PCI in open and dry segment of LMCA. Follow-up of this study angiography 62.3%, 5% restenosis, TLR 5%, TVR 10%, 6.3% of cardiac death. Conclusion Low-risk unprotected left main disease drug-eluting stent implantation can achieve satisfactory clinical efficacy.