Key result
DOACs and targeted compression stockings are expected to reduce post-thrombotic syndrome rates and severity.
Why the study?
Up to 50% of patients with proximal deep vein thrombosis develop post-thrombotic manifestations while on conventional anticoagulation, prompting the evaluation of potential prevention strategies.
Do strategies like CDT, ECS, and DOACs prevent post-thrombotic syndrome in patients with proximal DVT?
Do strategies like CDT, ECS, and DOACs prevent post-thrombotic syndrome in patients with proximal DVT?
DOACs and targeted use of elastic compression stockings are expected to play a key role in decreasing the rate and severity of post-thrombotic syndrome in patients with proximal DVT.
Favors DOAC regimens and selective stockings in DVT; extends prior trial data on lowering post-thrombotic syndrome.
While on conventional anticoagulation, up to 50% of patients with one or more episodes of proximal deep vein thrombosis (DVT) can develop post-thrombotic (PTS) manifestations. The potential strategies for PTS prevention are the treatment of acute DVT with catheter-directed thrombolysis (CDT), the use of elastic compression stockings (ECS) and that of the direct oral anticoagulants (DOAC) in place of vitamin K antagonists (VKA) for the initial and long-term treatment of DVT. Based on the results of three randomized clinical trials, CDT cannot be recommended on a routine basis because of its invasiveness, the associated risk of major bleedings and the uncertainty about its efficacy. According to the results of a placebo-controlled randomized clinical trial, ECS are no longer recommended for PTS prevention on a routine basis. However, based on the results of a recent subanalysis of a prospective cohort study, patients with residual vein thrombosis and/or popliteal valve reflux at three months are likely to benefit from ECS for at least six months. Finally, following the demonstration that the inadequacy of VKA therapy plays a key role in the PTS development, several retrospective and prospective studies have shown that the use of DOACs for the initial and long-term treatment of DVT in place of VKAs reduces the risk of PTS by approximately 50%. In conclusion, the availability of DOACs and the potential of ECS in selected patients with proximal DVT are expected to play a key role for decreasing the rate and the severity of PTS in the forthcoming years.
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Paolo Prandoni (2022) conducted a review in Post-thrombotic syndrome. Catheter-directed thrombolysis, elastic compression stockings, and DOACs vs. Standard therapy (VKAs, no stockings, conventional anticoagulation) was evaluated. The availability of DOACs for initial and long-term DVT treatment and the targeted use of elastic compression stockings in selected patients are expected to decrease the rate and severity of post-thrombotic syndrome.
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