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[News in the work-up of deep vein thrombosis (DVT)].

Deep vein thrombosis (DVT) is a component of venous thromboembolism (VTE), the other being pulmonary embolism (PE). Its incidence is 1 to 2/1.000/year and nearly 1/100/year after 80 years. The major complication of DVT is PE which occurs in about 1/3 of cases, is often asymptomatic but can be fatal. Another common complication, occurring in 20-50 % of cases is the post-thrombotic syndrome (PTS) which is likely to alter the quality of life. Several issues remain unanswered when considering DVT. The optimal management of distal DVT versus proximal DVT is not well codified. The diagnostic approach to DVT is essential : it is based on the estimation of clinical probability, the possible use of D-dimer test and compression ultrasonography. The new direct oral anticoagulants (NOACs) have been proven effective in the phase 3 studies but when to use them and which to choose in the real life ? Wearing compression stockings to prevent the SPT is recommended: what is the definition of compression stockings and is there some evidence of their efficacy ? The purpose of this article is to provide some useful information to primary care physicians to address a DVT.