Predictors of post-thrombotic syndrome in a population with a first deep vein thrombosis and no primary venous insufficiency

BACKGROUND: Post-thrombotic syndrome (PTS) is the most frequent complication of deep vein thrombosis (DVT). Its diagnosis is based on clinical characteristics. However, symptoms and signs of PTS are non-specific, and could result from concomitant primary venous insufficiency (PVI) rather than DVT. This could bias evaluation of PTS. METHODS: Using data from the REVERSE multicenter study, we assessed risk factors for PTS in patients with a first …