Document Detail

Effect of enoxaparin versus unfractionated heparin in diabetic patients with ST-elevation myocardial infarction in the Enoxaparin and Thrombolysis Reperfusion for Acute Myocardial Infarction Treatment-Thrombolysis In Myocardial Infarction study 25 (ExTRACT-TIMI 25) trial.
MedLine Citation:
PMID:  18035078     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: Patients with diabetes mellitus (DM) are at higher risk for complications after ST-elevation myocardial infarction (STEMI) than patients without DM. Potent antithrombotic therapies may offer particular benefit for these high-risk patients and must be balanced against the potential for increased bleeding. METHODS: We performed a prospectively planned analysis of efficacy and safety in patients with DM among 20,479 patients with STEMI treated with fibrinolysis and randomized to a strategy of enoxaparin (up to 8 days) or unfractionated heparin (UFH) (48 hours) in ExTRACT-TIMI 25. RESULTS: Patients with DM (n = 3060) were older and more likely to be women and to present with heart failure (P < .0001 for each) than those without DM. After adjustment for the TIMI Risk Score, sex, and renal function, patients with DM were at 30% higher risk for death or myocardial infarction (MI) by 30 days (OR(adj) 1.29, 95% CI 1.14-1.46). Among patients with DM, the enoxaparin strategy reduced mortality (9.5% vs 11.8%, relative risk [RR] 0.81, 95% CI 0.66-0.99), death/MI (13.6% vs 17.1%, RR 0.80; 95% CI 0.67-0.94), and death/MI/urgent revascularization (16.0% vs 19.7%, RR 0.81, 95% CI 0.70-0.94). The enoxaparin strategy was associated with a trend toward higher major bleeding (2.6% vs 1.6%, RR 1.63, 95% CI 0.99-2.69). Taking efficacy and safety into account, the enoxaparin strategy offered superior net clinical benefit (death/MI/major bleed, 14.8% vs 18.0%, RR 0.83, 95% CI 0.70-0.97) compared with UFH in patients with DM. CONCLUSIONS: In a subgroup analysis, a reperfusion strategy including enoxaparin significantly improved outcomes compared with UFH among high-risk STEMI patients with DM undergoing fibrinolysis.
David A Morrow; Elliott M Antman; Sabina A Murphy; Jie Qin; Mikhail Ruda; Sema Guneri; Ashok Joseph Jacob; Andrzej Budaj; Eugene Braunwald;
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Publication Detail:
Type:  Comparative Study; Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  American heart journal     Volume:  154     ISSN:  1097-6744     ISO Abbreviation:  Am. Heart J.     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2007-11-23     Completed Date:  2007-12-03     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0370465     Medline TA:  Am Heart J     Country:  United States    
Other Details:
Languages:  eng     Pagination:  1078-84, 1084.e1     Citation Subset:  AIM; IM    
Department of Medicine, Harvard Medical School, Boston, MA, USA.
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MeSH Terms
Aspirin / therapeutic use
Diabetes Complications / drug therapy*
Drug Therapy, Combination
Enoxaparin / adverse effects,  therapeutic use*
Fibrinolytic Agents / adverse effects,  therapeutic use*
Hemorrhage / chemically induced
Heparin / adverse effects,  therapeutic use*
Myocardial Infarction / complications,  drug therapy*
Platelet Aggregation Inhibitors / therapeutic use
Prospective Studies
Reg. No./Substance:
0/Enoxaparin; 0/Fibrinolytic Agents; 0/Platelet Aggregation Inhibitors; 50-78-2/Aspirin; 9005-49-6/Heparin

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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