“…18 However, in more recent studies, evidence shows that, due to more severe coronary artery disease, the benefits of CABG tend to be greater than in younger patients, including a reduction in mortality. [19][20][21] In this study we observed decreased mortality and MACE over time, which may be due to improvement of the techniques and operator experience, and the emergence of new technologies, although no intracoronary ultrassound, optical coherence tomography or fractional flow reserve data were available. The number of procedures increased progressively, particularly between the first and second periods, as well as the use of drug-eluting stents, as supported by recent evidence.…”