Riordan M, Weiden PL
Factor V Leiden mutation does not account for central venous catheter-related thrombosis. [Clinical Trial, Controlled Clinical Trial, Journal Article]
Am J Hematol 1998 Jun; 58(2):150-2.
Indwelling central venous access devices are frequently associated with catheter-related thrombosis. The factor V Leiden gene mutation decreases the sensitivity of factor V to the anticoagulant activity of activated protein C, and has been shown to be the most common inherited defect associated with a hypercoagulable state. In this study, we sought to determine whether an increased prevalence of the factor V gene mutation could be identified in individuals with malignancies who had catheter-related thrombosis. Twenty-seven patients who had catheter-related thrombosis were identified and two (7%) tested positive for the heterozygous presence of the factor V gene mutation. Since the vast majority of patients with venous access devices who developed catheter-related thrombosis did not have the factor V gene mutation, pre-catheter placement testing for this mutation would have limited clinical utility.
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