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Stenting Left Main

Abstract

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Incidence and Management of Restenosis After Treatment of Unprotected Left Main Disease With Second-Generation Drug-Eluting Stents (from Failure in Left Main Study With 2nd Generation Stents-Cardiogroup III Study) Everolimus-eluting stent implantation for unprotected left main coronary artery stenosis. The PRECOMBAT-2 (Premier of Randomized Comparison of Bypass Surgery versus Angioplasty Using Sirolimus-Eluting Stent in Patients with Left Main Coronary Artery Disease) study Stroke Rates Following Surgical Versus Percutaneous Coronary Revascularization Randomized Trial of Stents Versus Bypass Surgery for Left Main Coronary Artery Disease: 5-Year Outcomes of the PRECOMBAT Study Differential prognostic impact of treatment strategy among patients with left main versus non-left main bifurcation lesions undergoing percutaneous coronary intervention: results from the COBIS (Coronary Bifurcation Stenting) Registry II Long-Term Outcomes of Different Two-Stent Techniques With Second-Generation Drug-Eluting Stents for Unprotected Left Main Bifurcation Disease: Insights From the FAILS-2 Study Long-term outcomes following mini-crush versus culotte stenting for the treatment of unprotected left main disease: insights from the Milan and New-Tokyo (MITO) registry Complex PCI procedures: challenges for the interventional cardiologist
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Clinical Trial1989 Jul 15;64(3):144-7

JOURNAL：Am J Cardiol. Article Link

Left main coronary angioplasty: early and late results of 127 acute and elective procedures

O'Keefe JH Jr, Hartzler GO, Rutherford BD Keywords: left main coronary angioplasty; first description; ULMCA; LMCA; mortality

ABSTRACT

The results of 127 left main (LM) coronary angioplasties were reviewed to assess short- and long-term effectiveness. Three major subgroups were considered: (1) elective "protected" (defined as the presence of a patent bypass graft to the left coronary circulation) patients (n = 84); (2) elective "unprotected" patients (n = 33); and (3) acute patients, in whom LM coronary angioplasty was performed in the setting of an acute myocardial infarction (n = 10). Successful LM dilation was achieved in 94% of elective patients and 90% of acute patients. Procedural mortality was 4.3% in elective patients (2.4 and 9.1% in protected and unprotected patients, respectively, p = 0.14) and 50% in the acute subgroup. Long-term follow-up data, available for 98% of patients, revealed actuarial 3-year survival rates of 90 and 36% in elective protected and unprotected subgroups, respectively (p less than 0.0005). In the acute subgroup, 3 patients (30%) were alive at the time of follow-up; all had undergone coronary artery bypass surgery. Thus, although elective angioplasty of an unprotected LM coronary artery is technically feasible, the long-term prognosis of such patients is very poor. LM angioplasty in this subgroup should be reserved for patients in whom surgical revascularization is not an option. In contrast, elective angioplasty of a protected LM coronary artery can be accomplished safely with good long-term results. LM coronary angioplasty for acute myocardial infarction can be effective as a salvage procedure; however, adjunctive coronary bypass surgery is important for long-term survival.

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