This is a long-term follow-up of a completed clinical trial which compared percutaneous coronary intervention (PCI) using sirolimus-eluting stents and coronary artery bypass grafting (CABG) in patients with unprotected left main coronary artery disease. The purpose of the study is to obtain retrospective long-term data on clinical outcome of the study population.
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All-cause death
Timeframe: approximately 15 years after procedure