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Thromb J. 2005 Apr 04;3(1):4. doi: 10.1186/1477-9560-3-4.

Rates of clinically apparent heparin-induced thrombocytopenia for unfractionated heparin vs. low molecular weight heparin in non-surgical patients are low and similar.

Thrombosis journal

Charles Fs Locke, John Dooley, Jonathan Gerber

Affiliations

  1. Johns Hopkins Community Physicians Department of Internal Medicine 2360 W, Joppa Rd,, Suite 306 Lutherville, MD 21093 USA. [email protected].

PMID: 15807892 PMCID: PMC1087886 DOI: 10.1186/1477-9560-3-4

Abstract

With the growing use of low-molecular-weight heparins (LMWH) for the treatment and prevention of venous thromboembolism (VTE), it is important to provide an evidence-based comparison with unfractionated heparin (UFH) concerning rates of heparin-induced thrombocytopenia (HIT). Such comparisons are essential in clinical decision-making and cost-modeling. In this paper we review data regarding non-surgical (medical) patients. We conclude that the lack of uniform evaluation and standardized testing for HIT in the current literature precludes making a reliable estimate of the relative risk of HIT in UFH vs. LMWH in either the treatment or prevention of VTE in non-surgical patients. However, current data suggest that the risk of thrombocytopenia and HIT is low and similar for non-surgical patients who receive either LMWH or UFH.

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