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Updated: May 18, 2026

Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood
Published on: October 12, 2012
Low--molecular weight heparins and unfractionated heparins during primary coronary intervention
Chiara Cavallino1, Matteo Santagostino, Emanuela Facchini
1Division of Cardiology, Ospedale Maggiore della Carità, Novara, Italy.
Insights
Low molecular weight heparin (LMWH) and unfractionated heparin (UFH) are used for anticoagulation during percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI). This review compares their efficacy and safety in STEMI patients undergoing PCI.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Coronary artery diseases are leading causes of death globally.
- Acute myocardial infarction (specifically STEMI) management often involves percutaneous coronary intervention (PCI).
- Anticoagulation is crucial during PCI for STEMI, with unfractionated heparin (UFH) being the traditional choice.
Purpose of the Study:
- To compare the efficacy and safety of low molecular weight heparin (LMWH) versus unfractionated heparin (UFH) in patients undergoing PCI for STEMI.
Main Methods:
- Systematic review and meta-analysis of clinical trials.
- Comparison of patient outcomes including bleeding events and ischemic events.
- Inclusion of studies involving patients with ST-elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI).
Main Results:
- Efficacy data on re-infarction, stroke, and mortality.
- Safety data focusing on major bleeding events and other adverse effects.
- Comparative analysis of LMWH and UFH in the context of PCI for STEMI.
Conclusions:
- The review aims to provide evidence-based recommendations for anticoagulant choice in STEMI patients undergoing PCI.
- Findings will guide clinical practice regarding the optimal use of LMWH versus UFH.
- Understanding comparative outcomes is essential for improving patient care in acute myocardial infarction.
Abstract:
Coronary artery diseases continue to be the most common causes of mortality and morbidity in the industrialized world, especially in the setting of acute myocardial infarction. Anticoagulation during primary percutaneous coronary intervention (PCI) for ST-elevation myocardial infarction (STEMI) has traditionally been supported by anticoagulant unfractionated heparin (UFH). Recently, alternative anticoagulants such as low molecular weight heparin (LMWH) were included in the management of STEMI. The aim of the present review is to compare efficacy and safety outcomes among patients receiving low molecular weight heparins (LMWH) or unfractionated heparin (UFH) while undergoing PCI for STEMI.
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