Background:
Coronary artery disease remains a major public healthcare problem worldwide and percutaneous coronary intervention with drug-eluting stents is the most frequent treatment option for these patients. The objective of this study was to evaluate the rate of clinical events in up to 10 years of clinical follow-up of patients treated with drug-eluting stents.
Methods:
We prospectively enrolled patients with an indication for percutaneous coronary intervention despite their clinical or angiographic presentation. The primary endpoint consisted of the evaluation of the composite rate of major adverse cardiac events (cardiac death, non-fatal acute myocardial infarction or the need of ischemia guided target vessel revascularization) in the late clinical follow-up.
Results:
From 2002 to 2012, we included 1,632 patients with mean age of 64.3 ± 10.9 years, 71.4% were male and 31.2% had diabetes mellitus. The angiographic and clinical success rates were 99.1% and 96.7%, respectively. Follow-up was obtained in 95.8% of the eligible patients at a mean of 3.4 ± 2.6 years. The primary endpoint was observed in 246 patients (15.9%), with rates of cardiac death of 6.4%, myocardial infarction of 3.6% and target vessel revascularization of 5.5%. Stent thrombosis was observed in 40 patients (2.4%).
Conclusions:
In this clinical practice experience the use of drug-eluting stents demonstrated favorable acute and long-term results in the treatment of a non-selected population of patients with coronary artery disease and variable degrees of clinical and angiographic complexity.
Coronary artery disease; Percutaneous coronary intervention; Drug-eluting stents; Coronary thrombosis
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