• M-T Barrellier and C-M Samama.
• Laboratoire des Explorations Fonctionnelles, CHU Côte de Nacre, 14033 Caen cedex 9, France. barrellier-mth@chu-caen.fr
• J Mal Vascul. 2013 May 1;38(3):178-84.

UnlabelledThe study objective was to evaluate the potential increase in fatal bleeding risk related to curative anticoagulation of asymptomatic deep venous thromboses diagnosed by routine ultrasound screening after total hip/knee replacement or hip fracture using data from a comprehensive literature review.Materials And MethodsRates of venous thromboembolic and bleeding events occurring with recommended prophylaxis, and rates of iatrogenic bleeding risk induced by curative anticoagulation were extracted from randomized clinical trials, diagnosis codes at discharge, electronic databases, and observational studies. The fatal events rate was calculated for pulmonary embolism, major bleeding with prophylaxis, and iatrogenic bleeding from curative anticoagulation by multiplying the mean rate by its case-fatality rate. Fatal event rates were evaluated for 10,000 total hip or knee replacements and for 10,000 hip fractures.ResultsFor 10,000 patients undergoing total hip or knee replacement, five fatal pulmonary embolisms and two fatal bleedings are expected, despite recommended extension of thromboprophylaxis. Curative anticoagulation of asymptomatic venous thrombosis would add nine fatal bleedings, 8/9 related to distal thrombosis care. For 10,000 patients undergoing hip fracture surgery, six fatal pulmonary embolisms and 23 fatal bleedings are expected. Curative anticoagulation of asymptomatic venous thrombosis would add 16 fatal bleedings, 14/16 related to distal thrombosis care.ConclusionCurative anticoagulation of asymptomatic distal deep vein thromboses, leads to more fatal bleeding compared to avoidable fatal pulmonary embolism. These findings strengthen recommendations against routine ultrasound screening for asymptomatic distal deep vein thrombosis.Copyright © 2013 Elsevier Masson SAS. All rights reserved.

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