Dataset Information


Oral antiplatelet therapy for acute and chronic management of NSTE ACS: residual ischemic risk and opportunities for improvement.

ABSTRACT: Non-ST-segment elevation acute coronary syndromes (NSTE ACS) are highly prevalent in the United States and globally, and are associated with significant morbidity and mortality.The key role of platelet-mediated thrombosis in the pathogenesis of NSTE ACS is confirmed by the proven clinical benefits of antiplatelet agents (aspirin and a P2Y(12) adenosine diphosphate [ADP] receptor antagonist) in this setting. Despite the documented advantages and broad use of antiplatelet therapy, the long-term morbidity and mortality rates remain significant, and the bleeding risk remains substantial. Residual risk can be attributed, at least in part, to the fact that thrombosis continues in the presence of current treatments because aspirin and P2Y(12) ADP receptor antagonists each block only one of multiple platelet activation pathways, and thus do not impact other platelet activation pathways, such as the one triggered by interaction of thrombin with protease-activated receptor (PAR)-1, thereby exposing patients to continued accumulation of thrombotic events.These considerations suggest that novel therapies with a different mechanism of action, when used in combination with current antiplatelet agents, may provide more comprehensive inhibition of platelet activation and additional reductions in morbidity and mortality, potentially without incremental bleeding risk.


PROVIDER: S-EPMC2797418 | BioStudies | 2009-01-01

REPOSITORIES: biostudies

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