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INTRODUCTION: Intravenous unfractionated heparin (UFH) is routinely used in patients after arterial embolectomy. Achieving and maintaining therapeutic levels requires a co-ordinated approach which may be difficult for busy junior doctors and laboratories. There is no current evidence regarding the use of subcutaneous low molecular weight heparin (LMWH) as an alternative. PATIENTS AND METHODS: The study retrospectively examined all patients who had undergone any form of embolectomy during 2006 and 2007 by review of their medical records, an electronic laboratory database, and the patients' drug charts. RESULTS: Overall, 45 patients were studied. A total of 389 activated partial thromboplastin time (APTT) tests were performed of which 146 (37.6%) were in the therapeutic range (50-90 s), 40.4% were < 50 s and 22.1% were > 90 s. Five patients (11.1%) had further surgical procedures. Significant bleeding occurred in two patients. CONCLUSIONS: The results indicate that many patients are not appropriately anticoagulated. Whilst a new UFH protocol is being developed by our hospital trust, the authors believe the use of LMWH could provide a more effective and user-friendly alternative to UFH.

Original publication

DOI

10.1308/003588409X432329

Type

Journal article

Journal

Ann R Coll Surg Engl

Publication Date

09/2009

Volume

91

Pages

470 - 472

Keywords

Acute Disease, Anticoagulants, Embolectomy, Embolism, Hemorrhage, Heparin, Low-Molecular-Weight, Humans, Infusions, Subcutaneous, Partial Thromboplastin Time, Retrospective Studies