PMID- 11728348 OWN - NLM STAT- MEDLINE DCOM- 20020103 LR - 20190622 IS - 0002-9149 (Print) IS - 0002-9149 (Linking) VI - 88 IP - 11 DP - 2001 Dec 1 TI - Prospective comparison of hemorrhagic complications after treatment with enoxaparin versus unfractionated heparin for unstable angina pectoris or non-ST-segment elevation acute myocardial infarction. PG - 1230-4 AB - Patients with unstable angina pectoris (UAP) or non-ST-segment elevation acute myocardial infarction (AMI) are at risk of death or recurrent ischemic events, despite receiving aspirin and unfractionated heparin (UFH). This study investigates the effect of the low molecular weight heparin, enoxaparin, on the incidence of hemorrhage and thrombocytopenia in relation to baseline characteristics and subsequent invasive procedures. Rates of hemorrhage and thrombocytopenia were analyzed for UAP or non-ST-segment elevation AMI in patients included in the prospective, randomized, double-blind Efficacy and Safety of Subcutaneous Enoxaparin in Non-Q-wave Coronary Events (ESSENCE) study. Patients received either enoxaparin or UFH, plus aspirin, for 2 to 8 days. The overall rate of major hemorrhage (at 30 days) was comparable between the 2 groups (6.5% for enoxaparin vs. 7.0% for UFH, p = 0.6). The rate of major hemorrhage while on treatment was slightly higher in the enoxaparin group, but this was not significant (1.1% vs 0.7% for UFH, p = 0.204), as was the rate of major hemorrhage within 48 hours of coronary artery bypass grafting performed within 12 hours of treatment. However, the rate of minor hemorrhage was significantly higher in the enoxaparin group, with the majority being injection-site ecchymoses or hematomas (11.9% vs. 7.2% with UFH, p <0.001). Thrombocytopenia (platelet count <100,000 per mm(3)) occurred mainly in association with coronary bypass surgery, with a similar rate in both groups. Thus, enoxaparin is a well-tolerated alternative to UFH in the management of UAP or non-ST-segment elevation AMI. Despite the more effective antithrombotic effect, which results in fewer ischemic events, enoxaparin is not associated with an increase in the rate of major hemorrhagic complications, and is not significantly associated with thrombocytopenia, but is associated with an increase in minor injection site ecchymosis. FAU - Berkowitz, S D AU - Berkowitz SD AD - Duke University Medical Center, Duke Clinical Research Institute, Durham, North Carolina, USA. FAU - Stinnett, S AU - Stinnett S FAU - Cohen, M AU - Cohen M FAU - Fromell, G J AU - Fromell GJ FAU - Bigonzi, F AU - Bigonzi F CN - ESSENCE Investigators LA - eng PT - Clinical Trial PT - Comparative Study PT - Journal Article PT - Multicenter Study PT - Randomized Controlled Trial PT - Research Support, Non-U.S. Gov't PL - United States TA - Am J Cardiol JT - The American journal of cardiology JID - 0207277 RN - 0 (Antifibrinolytic Agents) RN - 0 (Enoxaparin) RN - 9005-49-6 (Heparin) SB - IM MH - Aged MH - Angina, Unstable/diagnosis/*drug therapy MH - Antifibrinolytic Agents/*adverse effects/therapeutic use MH - Double-Blind Method MH - *Electrocardiography MH - Enoxaparin/*adverse effects/therapeutic use MH - Female MH - Hemorrhage/*chemically induced MH - Heparin/*adverse effects/therapeutic use MH - Humans MH - Male MH - Middle Aged MH - Myocardial Infarction/diagnosis/*drug therapy MH - Prospective Studies MH - Thrombocytopenia/chemically induced EDAT- 2001/12/01 10:00 MHDA- 2002/01/05 10:01 CRDT- 2001/12/01 10:00 PHST- 2001/12/01 10:00 [pubmed] PHST- 2002/01/05 10:01 [medline] PHST- 2001/12/01 10:00 [entrez] AID - S0002914901020823 [pii] AID - 10.1016/s0002-9149(01)02082-3 [doi] PST - ppublish SO - Am J Cardiol. 2001 Dec 1;88(11):1230-4. doi: 10.1016/s0002-9149(01)02082-3.