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Enoxaparin injection for the treatment of high-risk patients with non-ST elevation acute coronary syndrome

Authors Caroline Schmidt-Lucke, Heinz-Peter Schultheiss

Published 15 May 2007 Volume 2007:3(2) Pages 221—228

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Caroline Schmidt-Lucke, Heinz-Peter Schultheiss

Charité Medical University Berlin, Campus Benjamin Franklin, Dept. of Cardiology and Pulmology, Germany

Abstract: Non-ST elevation acute coronary syndrome (NSTE-ACS) refers to a cardiovascular disorder characterized by intracoronary thrombus formation on a disrupted atherosclerotic plaque with partial or transient occlusion. Generation of thrombin resulting from exposure of collagen leads to activation of platelets and conversion of fibrinogen to fibrin, thus forming a platelet-rich thrombus. The main therapeutic objective is to protect the patient from thrombotic complications, independent of the choice of antithrombotic agents. The management of NSTE myocardial infarction (MI) is constantly evolving. For primarily conservative strategy, enoxaparin has been proven superior to unfractioned heparin (UFH). With early invasive strategy providing better clinical outcome compared with conservative strategy, the effectiveness of enoxaparin in reducing death and MI rates is now being reconsidered in the era of poly-pharmacotherapy, early percutaneous coronary interventions and drug eluting stents. Bleeding complications can be minimized by avoiding cross-over from UFH to enoxaparin or vice versa, or by reducing the dosage of enoxaparin. We review the studies of enoxaparin and discuss its current role in the contemporary treatment of NSTE-ACS.

Keywords: low-molecular weight heparin, NSTEMI, treatment

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