• A Y Y Lee and P W Kamphuisen.
• Division of Hematology, Department of Medicine, University of British Columbia, Vancouver, Canada. alee14@bccancer.bc.ca
• J. Thromb. Haemost. 2012 Aug 1;10(8):1491-9.

AbstractCentral venous catheters are extensively used in patients with cancer to secure delivery of chemotherapy and facilitate phlebotomy. Unfortunately, considerable morbidity can result from early complications or late sequelae, ranging from arterial puncture, pneumothorax and bloodstream infections to catheter-related thrombosis (CRT). Contemporary studies have shown that the incidence of symptomatic CRT is ∼5%, whereas the incidence of asymptomatic CRT is higher, at 14-18%. The significance and mechanisms of catheter design, material, insertion location and technique, position of the catheter tip and other risk factors in contributing to the development of CRT are not well understood. Efforts to reduce thrombotic complications, involving flushing the catheter with heparinized solutions, the use of heparin-bonded catheters, and systemic anticoagulant prophylaxis, have been largely ineffective. More studies are needed to understand the pathophysiology of thrombotic complications, to help identify effective interventions to reduce this adverse outcome.© 2012 International Society on Thrombosis and Haemostasis.

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