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Intravenous glycoprotein IIb/IIIa receptor antagonists reduce mortality after percutaneous coronary interventions Karvouni E; Katritsis DG; Ioannidis JPJ Am Coll Cardiol 2003[Jan]; 41 (1): 26-32OBJECTIVES: We sought to evaluate the impact of intravenous antagonists of the platelet IIb/IIIa receptor on the survival of patients undergoing percutaneous coronary interventions (PCIs). BACKGROUND: Several trials have shown that intravenous antagonists of the platelet glycoprotein (GP) IIb/IIIa receptor reduce the incidence of myocardial infarction (MI) and composite cardiac outcomes (death, MI, or revascularization) in patients undergoing PCI. However, individual studies have not had adequate power to examine differences in mortality. METHODS: We performed a meta-analysis of 19 randomized, placebo-controlled trials (20 comparisons, n = 20,137). Death was the primary outcome. Secondary outcomes included MI, composite cardiac outcomes, and major bleeding. RESULTS: Mortality was significantly reduced at 30 days (risk ratio [RR] 0.69 [95% confidence interval [CI] 0.53 to 0.90]), at six months (RR 0.79 [95% CI 0.64 to 0.97]), and including longer follow-up (RR 0.79 [95% CI 0.66 to 0.94]), with no significant between-study heterogeneity. The relative risk reduction was largely similar in trials of patients with or without acute myocardial infarction (AMI), in trials continuing or discontinuing heparin after the procedure, and in trials using stents or another PCI as the intended primary procedure. Myocardial infarction and composite outcomes were significantly reduced (p < 0.001 for all) at 30 days and six months. Major bleeding was significantly increased only in trials where heparin infusion was continued after the procedure (RR 1.70 [95% CI 1.36 to 2.14]), although there was no excess bleeding when heparin was discontinued (RR 1.02 [95% CI 0.85 to 1.24]). CONCLUSIONS: In patients undergoing PCI, GP IIb/IIIa receptor antagonists confer a significant and sustained decrease (20% to 30%) in the risk of death.|Abciximab[MESH]|Angioplasty, Balloon, Coronary/adverse effects/*mortality[MESH]|Antibodies, Monoclonal/*administration & dosage[MESH]|Atherectomy, Coronary/adverse effects/*mortality[MESH]|Coronary Disease/etiology[MESH]|Eptifibatide[MESH]|Female[MESH]|Humans[MESH]|Immunoglobulin Fab Fragments/*administration & dosage[MESH]|Infusions, Intravenous[MESH]|Male[MESH]|Middle Aged[MESH]|Multicenter Studies as Topic[MESH]|Myocardial Infarction/etiology[MESH]|Peptides/*administration & dosage[MESH]|Platelet Aggregation Inhibitors/*administration & dosage[MESH]|Platelet Glycoprotein GPIIb-IIIa Complex/*antagonists & inhibitors[MESH]|Postoperative Hemorrhage/etiology[MESH]|Randomized Controlled Trials as Topic[MESH]|Risk[MESH]|Stents/adverse effects[MESH]|Survival Analysis[MESH]|Tirofiban[MESH]|Tyrosine/*administration & dosage/analogs & derivatives[MESH] |
