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Guidelines for Anticoagulation Therapy for Secondary Prevention After Deep Vein Thrombosis

Idiopathic VTE

Slide 13

June 2011

The take home message then for idiopathic venous thrombosis is that if you are having trouble deciding whether or not to continue warfarin therapy after prescribed initial treatment, then you can stop warfarin and assess the D-Dimer 1 month later. If it is positive, then your patient has a risk of recurrence of about 10 percent per year; on the other hand, if it is negative, their risk of recurrence is about 3 percent per year and this is about the same risk as major hemorrhage on warfarin and this can help you nicely identify or risk stratify your patients with an idiopathic DVT.

Idiopathic VTE


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