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Post-thrombotic syndrome (PTS) is a complication that can develop after deep vein thrombosis (DVT) of the lower extremities. PTS can occur at various times after the initial episode, but usually manifests within two years of initial DVT onset. Early and more complete thrombus clearance is believed by many to relieve venous outflow obstruction, preserve valvular function and reduce venous hypertension. Two previously published randomized controlled trials, the CAVENT trial and the ATTRACT trial, were larger and designed to investigate the efficacy of CDT. However, both of these trials included patients with iliofemoral as well as femoro-popliteal deep vein thrombosis. Our study will be limited to patients with iliofemoral deep vein thrombosis to assess whether Pharmacomechanical catheter-directed thrombolysis (PCDT) therapy utilizing AngioJet and tPA can safely and effectively reduce post thrombotic syndrome after 24 months.
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Patients with Iliofemoral DVT are theoretically at the highest risk for development of PRS given involvement of the major drainage pathway of both superficial femoral and deep femoral veins. This would not only affect the primary venous drainage, but would also compromise the ability to develop efficient collateral pathways. This creates higher chances of developing post-thrombotic syndrome (PTS). The proposed trial would utilize Angiojet thrombectomy followed by catheter directed thrombolysis and Anticoagulation compared to Anticoagulation alone. To assess whether Pharmacomechanical catheter-directed thrombolysis (PCDT) therapy utilizing AngioJet and tPA for the treatment of iliofemoral deep venous thrombosis can safely and effectively reduce post thrombotic syndrome after 24 months.
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Data sourced from clinicaltrials.gov
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