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Multicenter Study
. 2011;38(4):386-91.

High-risk diabetic patients with unprotected left main coronary artery disease: characteristics and medium-term outcomes of percutaneous revascularization with drug-eluting stents

Jose F Díaz Fernández  1 , Carlos Sánchez González, Manuel Jiménez Navarro, Juan C Fernández Guerrero, Antonio Gómez Menchero, Juan H Alonso Briales, Rosa María Cardenal Piris, Juan Herrador, Manuel Guzmán Herrera, Jose M Hernández García
Affiliations
Multicenter Study

High-risk diabetic patients with unprotected left main coronary artery disease: characteristics and medium-term outcomes of percutaneous revascularization with drug-eluting stents

Jose F Díaz Fernández et al. Tex Heart Inst J. 2011.

Abstract

Percutaneous coronary intervention with drug-eluting stents is an alternative for patients with high-risk unprotected left main coronary artery disease; those with diabetes mellitus are at even higher risk. Recent advances in percutaneous coronary intervention could lead to better results. The aim of this study was to evaluate medium-term results in a real-world sample of high-risk diabetic patients undergoing percutaneous coronary intervention with drug-eluting stents for unprotected left main coronary artery disease.From 3 tertiary hospitals, we retrospectively identified 334 high-risk patients, of whom 141 (42%) were diabetic and 193 (58%) were nondiabetic. The diabetes mellitus group showed a higher prevalence of peripheral vascular disease and left ventricular dysfunction. Angiographic and procedural characteristics did not differ significantly, with the exception of poor distal vessels in the diabetes mellitus group (44.5% vs 28.5%, P = 0.006). The use of intra-aortic balloon pumping and intravascular ultrasonography was low in both diabetic and nondiabetic patients. After a median follow-up of 22.4 months, cardiac death was higher in the diabetes mellitus group (16.2% vs 7.5%, P = 0.015), especially in insulin-dependent diabetic patients (25.8%). The incidence of major adverse cardiac events, including cardiac death, target-lesion revascularization, and myocardial infarction was similar in both groups (23.8% vs 18.3%, P = NS).High-risk diabetic patients who undergo percutaneous coronary intervention with drug-eluting stents for unprotected left main coronary artery disease present with a worse clinical profile that carries a higher cardiac mortality rate in the medium term, especially in insulin-dependent diabetic patients.

Keywords: Angioplasty, balloon, coronary; coronary artery disease, left main; diabetes mellitus, type 2; drug-eluting stents; prognosis; retrospective studies; risk factors; treatment outcome.

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Figures

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Fig. 1 Event-free survival rate curves for the incidence of A) major adverse coronary events (MACE), B) cardiac death in patients with and without diabetes mellitus (DM), and C) cardiac death in insulin-dependent (IDDM) and noninsulin-dependent DM patients (NIDDM). NS = not significant
See this image and copyright information in PMC

References

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