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Comparison of One-Year Cardiac Events With Drug-Eluting Versus Bare Metal Stent Implantation in Rescue Coronary Angioplasty.
Am J Cardiol. 2010 Dec 1;
Authors: De Felice F, Fiorilli R, Parma A, Musto C, Nazzaro MS, Stefanini GG, Caferri G, Violini R
Rescue percutaneous coronary intervention (PCI) with bare metal stent (BMS) implantation is useful in patients with acute myocardial infarction (AMI) and failed thrombolysis. Drug-eluting stent (DESs) are more effective in reducing restenosis compared to BMS. No data are available comparing the clinical outcomes between the 2 types of stents nor has information ever been provided about the predictors of events in patients treated with rescue PCI in the current era. The aims of the present study were to evaluate the outcomes of patients undergoing rescue PCI with DES implantation compared to BMS implantation and to determine the independent predictors of events during 1 year of follow-up. The study population consisted of 311 consecutive patients with ST-segment elevation AMI and evidence of failed fibrinolysis undergoing successful revascularization with DES (n = 134) or BMS (n = 177) implantation. The end point of the present study was the incidence of major adverse cardiac events (MACE) defined as death, recurrent AMI, and target vessel revascularization. No differences were found in the number of MACE at 1 year of follow-up between the DES and BMS groups (n = 10 and 19, respectively, p = 0.29). The Cox proportional hazards model identified cardiogenic shock (adjusted hazard ratio 7.05, 95% confidence interval 2.08 to 23.9, p = 0.001), age (hazard ratio 1.51, 95% CI 1.09 to 2.08, p = 0.011), and final minimal lumen diameter (hazard ratio 0.42, 95% confidence interval 0.21 to 0.83, p = 0.013) as independent predictors of MACE at 1 year of follow-up. After propensity score adjustments, the predictors did not change. In conclusion, we found no differences between DESs and BMSs with respect to MACE at 1 year of follow-up in patients with AMI treated with rescue PCI. Cardiogenic shock, age, and final minimal luminal diameter were identified as predictors of MACE.
PMID: 21129713 [PubMed - as supplied by publisher]