• Deborah J Cook, James Douketis, Donald Arnold, and Mark A Crowther.
• Department of Medicine, McMaster University, Hamilton, Ontario, Canada. debcook@mcmaster.ca
• Curr Opin Pulm Med. 2009 Sep 1; 15 (5): 455-62.

Purpose Of ReviewThe purpose of this review is to critique and summarize clinical literature relevant to thromboprophylaxis in critically ill patients with renal insufficiency. The specific objectives are to discuss factors that increase the risks for bleeding and venous thromboembolism in critically ill patients, with a focus on patients with renal insufficiency, and to consider prophylaxis management options and the rationale for their use.Recent FindingsHerein, we discuss both bleeding and venous thromboembolism in this population, both of which are of concern as complications. Bleeding is common among critically ill patients and has important clinical consequences. Critically ill patients with renal insufficiency require special consideration in regard to thromboprophylaxis. Such patients have a four-fold higher risk for developing venous thromboembolism compared with ICU patients without renal insufficiency. ICU patients have dynamic risks of thrombosis and bleeding. Invasive procedures may require temporary interruption of anticoagulants. Consequently, approaches to thromboprophylaxis require daily reevaluation.SummaryWe provide some considerations for practice in the conclusion section.

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