These evidence-based guidelines from the Turkish Society of Cardiovascular Surgery, National Society of Vascular and Endovascular Surgery, and Phlebology Society intend to support clinicians in best decisions regarding the treatment of venous thromboembolism (VTE). The Editor was selected by the three national societies and was tasked with the recruitment of the recognized panel. All financial support was solely derived from the sponsoring societies without the direct involvement of industry or other external stakeholders. The panel prioritized clinical questions and outcomes according to their importance for clinicians in terms of VTE. The panel agreed on 42 recommendations under 15 headings for the diagnosis, initial management, secondary prevention of VTE, and treatment of recurrent VTE events. Important recommendations included the use of ultrasonography, preference for home treatment over hospital treatment for uncomplicated VTE, preference for direct oral anticoagulants (DOACs) over vitamin K antagonists for primary treatment of cancer and non-cancer-related VTE, extended or indefinite anticoagulation with DOACs in selected high-risk patients. Early catheter-directed thrombectomy was recommended in only young symptomatic patients with a diagnosis of fresh iliofemoral deep vein thrombosis.
Keywords: Anticoagulant therapy; cancer-related venous thromboembolism; catheter-directed thrombectomy; deep vein thrombosis; direct oral anticoagulants; evidence-based medicine; post-thrombotic syndrome; practice guideline; venous thromboembolism.
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