The Canadian journal of cardiology · 2008
Outcomes of revascularization strategies for two-vessel coronary artery disease involving the proximal left anterior descending artery in an era of improved pharmacotherapy and stenting.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Hubacek Jaroslav, Kalla Sunil, Galbraith P Diane, Graham Michelle M, Knudtson Merril L, Ghali William A
Аннотация
BACKGROUND: The best therapeutic strategy for patients with double-vessel coronary artery disease and proximal left anterior descending artery involvement (2VD + pLAD) is not clear.
OBJECTIVES: To compare the survival experience of a cohort of cardiac catheterization patients with 2VD + pLAD based on chosen therapeutic strategy (medical management versus percutaneous coronary intervention [PCI] versus coronary artery bypass graft surgery [CABG]).
METHODS: The authors identified and studied a total of 603 patients with 2VD + pLAD from all patients who underwent diagnostic coronary angiography in Alberta between January 1997 and May 1999. The primary end point was five-year survival from index catheterization for each of the treatment groups and from time of revascularization when the two revascularization strategies were compared.
RESULTS: Risk-adjusted hazard ratios (HR) comparing cumulative five-year survival rates of patients treated medically, or with PCI or CABG indicated a survival benefit for patients treated with CABG (HR 0.24, 95% CI 0.11 to 0.54; P<0.001) and PCI (HR 0.43, 95% CI 0.24 to 0.77; P=0.003) compared with medical management. Meanwhile, a risk-adjusted comparison of revascularization strategies suggested a possible trend toward higher mortality for PCI-treated patients versus CABG-treated patients (HR 1.56, 95% CI 0.65 to 3.72; P=0.125).
CONCLUSIONS: The results of this registry-based observational study suggest a survival benefit from revascularization compared with medical management in patients with 2VD + pLAD. Furthermore, the authors found a trend toward better survival in CABG-treated patients compared with PCI-treated patients.
OBJECTIVES: To compare the survival experience of a cohort of cardiac catheterization patients with 2VD + pLAD based on chosen therapeutic strategy (medical management versus percutaneous coronary intervention [PCI] versus coronary artery bypass graft surgery [CABG]).
METHODS: The authors identified and studied a total of 603 patients with 2VD + pLAD from all patients who underwent diagnostic coronary angiography in Alberta between January 1997 and May 1999. The primary end point was five-year survival from index catheterization for each of the treatment groups and from time of revascularization when the two revascularization strategies were compared.
RESULTS: Risk-adjusted hazard ratios (HR) comparing cumulative five-year survival rates of patients treated medically, or with PCI or CABG indicated a survival benefit for patients treated with CABG (HR 0.24, 95% CI 0.11 to 0.54; P<0.001) and PCI (HR 0.43, 95% CI 0.24 to 0.77; P=0.003) compared with medical management. Meanwhile, a risk-adjusted comparison of revascularization strategies suggested a possible trend toward higher mortality for PCI-treated patients versus CABG-treated patients (HR 1.56, 95% CI 0.65 to 3.72; P=0.125).
CONCLUSIONS: The results of this registry-based observational study suggest a survival benefit from revascularization compared with medical management in patients with 2VD + pLAD. Furthermore, the authors found a trend toward better survival in CABG-treated patients compared with PCI-treated patients.