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Implications of bleeding in acute coronary syndrome and percutaneous coronary intervention Pham PA; Pham PT; Pham PC; Miller JM; Pham PM; Pham SVVasc Health Risk Manag 2011[]; 7 (ä): 551-67The advent of potent antiplatelet and antithrombotic agents over the past decade has resulted in significant improvement in reducing ischemic events in acute coronary syndrome (ACS). However, the use of antiplatelet and antithrombotic combination therapy, often in the settings of percutaneous coronary intervention (PCI), has led to an increase in the risk of bleeding. In patients with non-ST elevation myocardial infarction treated with antithrombotic agents, bleeding has been reported to occur in 0.4%-10% of patients, whereas in patients undergoing PCI, periprocedural bleeding occurs in 2.2%-14% of cases. Until recently, bleeding was considered an intrinsic risk of antithrombotic therapy, and efforts to reduce bleeding have received little attention. There have been increasing data demonstrating that bleeding is associated with adverse outcomes, including myocardial infarction, stroke, and death. Therefore, it is imperative to optimize patient outcomes by adopting pharmacological and nonpharmacological strategies to minimize bleeding while maximizing treatment efficacy. In this paper, we present a review of the bleeding classifications used in large-scale clinical trials in patients with ACS and those undergoing PCI treated with antiplatelets and antithrombotic agents, adverse outcomes, particularly mortality associated with bleeding complications, and suggested predictive risk factors. Potential mechanisms of the association between bleeding and mortality and strategies to reduce bleeding complications are also discussed.|Acute Coronary Syndrome/blood/mortality/*therapy[MESH]|Angioplasty, Balloon, Coronary/*adverse effects/mortality[MESH]|Fibrinolytic Agents/*adverse effects[MESH]|Hemorrhage/*etiology/mortality[MESH]|Humans[MESH]|Patient Selection[MESH]|Platelet Aggregation Inhibitors/*adverse effects[MESH]|Risk Assessment[MESH]|Risk Factors[MESH]|Thrombosis/blood/etiology/mortality/*prevention & control[MESH]|Treatment Outcome[MESH] |
