Influencia de la diabetes mellitus y de la calidad de los lechos coronarios en el seguimiento alejado de la cirugía coronaria: Estudio SEGUIR II

work objective to analyze the long-term outcome of diabetic patients (dm) after myocardial revascularization surgery (mrs) as related to the quality of coronary beds. research design and methods from a total of 1020 patients operated between january 1997 and december 2001, a 4-year follow-up was performed in 957, analyzing the differences between dm and non-dm patients. results mean age was 63.3±9.8 years, 87% were male and 210 (21.9%) were diabetics. mean follow-up time was 771 days (1-1844). in-hospital mortality rate was 4.2% (9/210) in the dm group and 2.5% (21/810) in the non-dm group. dm patients showed a greater incidence of: a) severe ventricular dysfunction (15.2% vs. 10.4%, p = 0.05); b) previous mrs (12.8% vs. 6.4%, p = 0.002); c) copd (6.19% vs. 2.01, p < 0.001). poor quality of coronary vessels was significantly more frequent in dm than in non-dm patients (52% vs. 43%, p < 0.0075, or: 1.47, 95% ci: 1.11-1.96). mid-term survival rate was different between groups: 89.7% and 77.5% in dm, and 94.6% and 89.7% in non-dm at 1 and 4 years respectively (p = 0.002). poor coronary beds was an independent predictor for in-hospital mortality (p < 0.001, or: 1.4, 95% ci: 0.5-2.2) and readmission in this mid-term follow-up (p = 0.02, hr: 1.89, 95% ci: 1.09-3.28). conclusion in mrs patients, diabetics showed a shorter long-term survival than non-diabetics. patients with poor coronary beds showed greater in-hospital mortality and greater incidence of hospital readmission during this mid-term follow-up.