Stent Versus Conservative Treatment in Patients With Deep Venous Obstruction

Inclusion Criteria: * Age \>18 years * Meet criteria for PTS or * Patients with May Thurner syndrome on additional imaging * Life expectancy of more than one year * Deep venous thrombosis \> 1 year * Signed informed consent Exclusion Criteria: * Previous intervention of central veins (inferior vena cava, iliac veins, common femoral vein) on the affected limb * Known pregnancy * Inability to answer Dutch QoL questionnaires or limited communication in Dutch (written and spoken) * Contra-indication for prolonged anticoagulant treatment * Recent, \<1 year, deep venous thrombosis or pulmonary Embolism * Known contrast allergy * Known dialysis or renal insufficiency needing additional preparation for injection of contrast