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Med Intensiva. 2009 Jan-Feb;33(1):1-7.

[Enoxaparin vs. non-fractionated heparin in primary angioplasty of acute myocardial infarction].

[Article in Spanish]

Author information

1
Unidad de Hemodinámica y Cardiología Intervencionista, Servicio de Cardiología. Hospital Universitario La Paz, Madrid. España. ggaleote.hulp@salud.madrid.org

Abstract

OBJECTIVE:

The objective of this study is to compare the effectiveness of intravenous enoxaparin (ENX) and Non-fractionated Heparin (NFH) in primary angioplasty (PA) of acute myocardial infarction (PA-AMI).

DESIGN:

A prospective, observational study.

PATIENTS AND METHODS:

A total of 191 patients admitted at the hospital with the diagnosis of Acute Myocardial Infarction (AMI) and treated with primary angioplasty were included. ENX was used in 91 patients (47.6%) and NFH in 100 patients (52.4%). Choice of treatment was based on the operator's opinion. Patients with cardiogenic shock were excluded. The first group received an intravenous bolus of ENX (0.75-1 mg/Kg) and the second one NFH (70-100 u/Kg), depending on whether it was associated with abciximab or not. In-hospital follow-up was performed, evaluating mortality and bleeding complications of both treatments.

RESULTS:

In-hospital mortality was 1.1% for the ENX group and 3.3% for NFH one. No significant differences were found in the number of bleeding complications with ENX (4.4%) and NFH (9.0%). There was one subacute thrombosis of stent for the ENX group and 3 thrombosis in the NFH-treated group. No significant differences were found in size of infarction measure with troponin I level (63.1 for ENX and 54.8 for the NFH) or in the left ventricle ejection fraction on hospital discharge (51% for ENX and 49.4% for the NFH).

CONCLUSIONS:

Primary angioplasty can be safely sued with the intravenous administration of ENX, no significant differences being found between both treatments in mortality and bleeding complications.

PMID:
19232204
[Indexed for MEDLINE]
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