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Abstract |
Warfarin Does Not Interfere with Lupus Anticoagulant Detection by Dilute Russell’s Viper Venom Time |
Background: The dilute Russell’s viper venom time (DRVVT) test is part of the diagnostic armamentarium used to detect lupus anticoagulant (LA). When testing patients on warfarin therapy, there is some concern of false positive results due to their low Factor X levels. We studied the diagnostic performance of the DRVVT ratio (DRVVT-R) to confirm the presence of LA in thrombophilia patients receiving warfarin therapy, and compared those results with a control group receiving warfarin for cardiac conditions but without thrombosis.
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