Pretreatment with heparin in patients with ST-segment elevation myocardial infarction : a report from the Swedish Coronary Angiography and Angioplasty Registry (SCAAR)
Background: Unfractionated heparin (UFH) is frequently administered before percutaneous coronary intervention (PCI) in patients with ST-segment elevation myocardial infarction (STEMI). Aims: The aim of the study was to investigate if pretreatment with UFH prior to arrival at the catheterisation laboratory affects coronary artery occlusion, mortality, and in-hospital major bleeding in patients with