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Title: Early and intermediate outcomes of left main coronary intervention
Authors: Damras Tresukosol
Supadet Sudjaritruk
Suwatchai Pornratanarangsi
Chunhakasem Chotinaiwattarakul
Rewat Phankingthongkum
Wiwun Tungsubutra
Nattawut Wongpraparat
Tippayawan Lerdwilai
Pradit Panchavinnin
Mahidol University
Keywords: Medicine
Issue Date: 1-Dec-2010
Citation: Journal of the Medical Association of Thailand. Vol.93, No.SUPPL 1 (2010)
Abstract: Objective: We examined the immediate and long-term outcomes after stenting of all comers for left main coronary artery (LMCA) stenoses. Background: Left main coronary artery disease is regarded as an absolute contraindication for coronary angioplasty. Recently, several reports on protected or unprotected LMCA stenting, or both, suggested the possibility of percutaneous intervention for this prohibited area. Material and Method: Eighty-one consecutive patients with LMCA stenoses were treated with stents. The post-stent antithrombotic regimens were aspirin and clopidogrel. The major adverse cardiac events (MACE) including death, Q-wave myocardial infarction, or repeat target lesion revascularization were followed. Patients were followed very closely and all attended office visit at 12 months. Results: The procedural success rate was 86.4%, with no episodes of acute thrombosis. Follow-up angiography was performed in 30 of 65 eligible patients (46.2%). Angiographic restenosis occurred in eight patients (9.9%). Cumulative death occurred in 16 patients (19.7%). MACE at 30 day and 12-month was 12.3% and 33.3% respectively. From multivariate analysis, dialysis (HR =3.22, p = 0.048), urgent PCI (HR =2.39, p = 0.036), post-procedure TIMI flow < 3 (HR =25.99, p = 0.001) and final kissing balloon inflation (HR = 0.30, p = 0.04) were independent predictors of MACE at 12-month. There was one definite late stent thrombosis (1.2%). Conclusion: Stenting of LMCA stenosis may be a safe and effective alternative to CABG in carefully selected patients. Further studies in larger patient populations are needed to assess late outcome.
ISSN: 01252208
Appears in Collections:Scopus 2006-2010

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