What is the efficacy of ultrasonography to determine the duration of anticoagulation therapy for deep venous thrombosis (DVT)?

Updated: Jun 05, 2019
  • Author: Kaushal (Kevin) Patel, MD; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Prandoni et al found that the use of ultrasonography to determine the duration of anticoagulation can reduce recurrences of venous thromboembolism after a first episode of acute proximal DVT. In the study, 538 consecutive outpatients who had completed an uneventful 3-month period of anticoagulation were randomized to receive either fixed-duration anticoagulation (136</ref>


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