Why the study?
Does low molecular weight heparin improve efficacy and safety compared to unfractionated heparin for thrombosis prophylaxis after major surgical intervention?
Population
16,583 patients across 36 double-blind studies undergoing major surgical intervention
Comparison
Low molecular weight heparin (LMWH) vs Unfractionated heparin
Design
Meta-analysis, double-blind (for included studies)
Authors
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Low-dose LMWH matches unfractionated heparin efficacy with less bleeding in general surgery VTE prophylaxis; reinforces dose-specific perioperative recommendations.
Does low molecular weight heparin improve efficacy and safety compared to unfractionated heparin for thrombosis prophylaxis after major surgical intervention?
Low molecular weight heparin may offer safety advantages over unfractionated heparin for thrombosis prophylaxis after major surgery when used at low doses, though heterogeneity limits broad generalizability.
Koch et al. (1997) studied this question.
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