Hasan Erdem1, Emre Selçuk2

1Department of Cardiovascular Surgery, Kartal Koşuyolu High Specialization Training and Research Hospital, Istanbul, Turkey
2Department of Cardiovascular Surgery, Faculty of Medicine, University of Bezmialem Vakif, Istanbul, Turkey

Keywords: Deep vein thrombosis; inferior vena cava agenesis; thrombolysis


Introduction: In this study, we present the treatment outcomes of patients with acute deep venous thrombosis (DVT) associated with congenital agenesis of the inferior vena cava (IVCA).

Patients and Methods: In this retrospective study, the clinical findings and follow-up data of patients who were scheduled for an interventional procedure due to acute DVT in 2019-2021 and who were found to have IVCA in venography were analyzed retrospectively.

Results: A total of 11 patients with acute DVT associated with IVCA were identified during the study period. Eight of the patients (72.7%) were male. The mean age of the patients was 25.5 ± 6.5 years (16-36 years). Five of the patients were followed up with conservative medical treatment. Endovascular procedure was performed in six patients. At the end of the first year, moderate post-thrombotic syndrome was found in 1 patient and mild post-thrombotic syndrome was detected in 2 patients. Patients who received only medical treatment had a significantly higher Villalta score at the end of the first year than patients who received endovascular treatment (6.6 ± 4.1 and 2.1 ± 1.9, p= 0.04).

Conclusion: Congenital IVCA is a rare diagnosis that should be kept in mind in young patients with deep venous thrombosis. In these patients, endovascular approach may be effective to prevent postthrombotic syndrome.