The effectiveness of sirolimus-eluting stent (SES) implantation in patients treated electively for left main (LM) stenoses has not been yet ascertained. The present study reports on the clinical and angiographic outcome of 16 consecutive patients treated electively for de novo stenoses in the LM. The impact of SES implantation on major adverse cardiac events was evaluated. Mean age was 65 ± 11 years. Unprotected LM was present in nine (56%), and eight patients (50%) received stents extending into both the left anterior descending and circumflex arteries for stenoses of the distal left main bifurcation. In-house mortality and reintervention rate was zero. One patient developed a non-Q-wave myocardial infarction related to the index procedure. At 1-year clinical follow-up, there were no deaths or further myocardial infarctions; one (6%) patient required target lesion revascularization. A total of 12 patients (75%) underwent 6-month angiographic follow-up with a late lumen loss of 0.04 ± 0.65 mm and one focal restenosis (8% of patients). Elective SES implantation for LM disease was associated with zero mortality and a very low incidence of additional major adverse events at 1 year.

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Catheterization and Cardiovascular Interventions
Department of Cardiology

Arampatzis, C., Lemos Neto, P., Hoye, A., Saia, F., Tanabe, K., van der Giessen, W., … Serruys, P. (2004). Elective sirolimus-eluting stent implantation for left main coronary artery disease: Six-month angiographic follow-up and 1-year clinical outcome. Catheterization and Cardiovascular Interventions, 62(3), 292–296. doi:10.1002/ccd.20064