Clinical outcomes after direct and indirect surgical venous thrombectomy for inferior vena cava thrombosis.

Inferior vena cava thrombosis is rare, but patients are at high risk for development of a post-thrombotic syndrome (PTS) in the long term. Surgical approaches include indirect transfemoral venous thrombectomy (iTFVT) and direct open venous thrombectomy (dOVT). This study reports patient outcomes after iTFVT and dOVT for inferior vena cava thrombosis covering a 25-year follow-up period. The study period was from January 1, 1982, to December 31, 2013. Data were retrieved from archived medical records, and patients were invited for a detailed phlebologic follow-up examination (DPFE). Health-related quality of life was assessed with the 36-Item Short Form Health Survey questionnaire. Patient survival, patency rates, and freedom from PTS were calculated using Kaplan-Meier estimation with log-rank testing. The χ Complete medical records were available for 152 patients. Patients' 5-year survival was 91% ± 3%, and 5-year primary and secondary patency rates were 80% ± 3% and 94% ± 2%. Freedom from PTS after 25 years was 84% ± 6%. No differences for patient survival, patency rates, or freedom from PTS were identified between iTFVT, dOVT, and a combination of both procedures. Antithrombin III deficiency was the most common coagulation disorder, and patients' physical function and social function were impaired compared with those found in German normative data (P < .05). No risk factor or coagulation disorder was associated with survival or PTS. Open surgical venous thrombectomy is safe and delivers satisfying short- and long-term outcomes compared with endovascular approaches. It remains valuable for patients who are not eligible for other interventional therapies.

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