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Short- and Medium-Term Outcomes of Percutaneous Coronary Intervention for Unprotected Left Main Coronary Artery Disease in Patients Who Are Poor Candidates for Surgical Revascularization

Revista Española de Cardiología (English Edition)
Publication Date
DOI: 10.1016/s1885-5857(06)60189-8
  • Coronary Angioplasty
  • Interventional Cardiology
  • Stent
  • Angioplastia Coronaria
  • Cardiología In-Tervencionista
  • Ecg
  • Ami
  • Pci
  • Lmca
  • Medicine


Introduction and objectives Surgical revascularization is the procedure of choice for unprotected left main coronary artery stenosis, but it may be unsuitable in some patients. We report short- and medium-term outcomes of percutaneous coronary intervention for unprotected left main coronary artery stenosis in a series of patients who were poor candidates for surgery. Patients and method Descriptive study of a historic cohort of consecutive patients with unprotected left main coronary artery stenosis who were not candidates for surgery, treated with percutaneous coronary intervention at a single center between April 1999 and December 2003. Results A total of 83 patients (mean age 72 [9] years) were included. Twenty patients (24%) were in shock on presentation. Surgery was considered unsuitable because of unacceptable surgical risk, poor condition of the distal vessels or comorbid conditions in 61 (73.5%) patients, or acute myocardial infarction in 22 (27%). An intraaortic balloon pump was used in 34 (40%); abciximab in 30 (36%) and stenting in 79 (95%) procedures. The intervention was considered successful in 76 patients (92%). Total in-hospital mortality was 28.9% (55% in patients with acute myocardial infarction and 20% in those without acute myocardial infarction). Median follow-up was 17 months. Average survival was 19.7 (2) months. Eighteen (22%) patients were hospitalized again for a new ische-mic event, and 14 (17%) underwent revascularization. In 9 cases (10.8%) a new angioplasty was performed, and in 5 (6.0%) surgical revascularization was necessary. Conclusions Percutaneous coronary intervention is an option for revascularization in left main coronary artery stenosis in patients who are poor candidates for surgery, although in-hospital and long-term mortality remain high.

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