Rupture or injury of an atherosclerotic coronary arterial plaque as occurs spontaneously in patients with an acute coronarysyndrome or as the result of a percutaneous coronary intervention serves as a nidus for platelet aggregation and thrombusformation, which, in turn, may cause myocardial infarction ordeath. Activation of the platelet-surface glycoprotein IIb/IIIareceptor is the final common pathway in the process leadingto platelet aggregation and, eventually, thrombus formation.When this receptor is activated, circulating fibrinogen bindsto it and cross-links with adjacent platelets to create a plateletfibrinogenmatrix. Since platelets have a pivotal role in the . . . [Full Text of this Article]
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From the Department of Internal Medicine, Cardiovascular Division, University of Texas Southwestern Medical Center, Dallas.
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