Treatment of venous thromboembolism with low-molecular-weight heparin: A synthesis of the evidence published in systematic literature reviews

J. A. Krishnan, J. B. Segal, M. B. Streiff, D. T. Bolger, J. Eng, M. W. Jenckes, L. J. Tamariz, E. B. Bass

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

Objective: To evaluate the methodology and cumulative evidence presented in systematic reviews of clinical trials comparing low-molecular-weight heparin (LMWH) with unfractionated heparin (UFH) for the treatment of venous thromboembolism. Methods: We reviewed all systematic reviews of clinical trials published until March 2002. Fourteen systematic literature reviews were published between 1994 and 2000. Deficiencies in methodological quality were common, particularly in the description of search strategies, assessment of clinical trial quality, and methods used to combine results. Results: Results of reviews indicate that LMWH is superior to UFH for the treatment of venous thromboembolism, particularly in reducing mortality. Patients with isolated deep venous thrombosis or deep venous thrombosis with concomitant pulmonary embolism seemed to have similar benefit. However, the benefits of LMWH over UFH were smaller in magnitude in reviews that included more recent clinical trials.

Original languageEnglish (US)
Pages (from-to)376-386
Number of pages11
JournalRespiratory Medicine
Volume98
Issue number5
DOIs
StatePublished - May 2004
Externally publishedYes

Keywords

  • Low-molecular-weight heparin
  • Systematic reviews
  • Unfractionated heparin
  • Venous thromboembolism

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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