According to the current national and international guidelines, although therapy with novel oral anticoagulants (NOACs) is suggested over VKAs, due to reimbursement problems, many people with deep vein thrombosis of the leg or pulmonary embolism are still receiving VKA therapy.2 , 3 VKAs are also used after venous stenting procedures in patients with chronic venous occlusion syndromes to avoid stent thrombosis. Although there are no definite recommendations about anticoagulation after venous stenting, many patients are receiving VKAs.