American Federation for Medical Research

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Saphenous Venous Stump: An Indication for Anticoagulation?
Muhammad Arslan Cheema1, Ali R. Ghani1, Waqas Ullah1, Usman Sarwar1, Hafez Mohammad R. Abdollah2, Asoka Balaratna3. 1Internal Medicine, Abington Jefferson Health, Abington, Pennsylvania, United States, 2Internal Medicine, University of South Dakota, Vermillion, Pennsylvania, United States, 3Caridology, Abingto Jefferson Health, Abington, Pennsylvania, United States

Purpose of Study
Saphenous veins (SV) are traditionally used as a graft for coronary artery bypass surgeries, but there has been a debate that its remnant is a nidus for venous stasis and thrombosis. This study aims to determine the risk of thrombosis in the SV stump, which is left after vein harvesting for coronary artery bypass graft (CABG).
Methods Used
Saphenous veins (SV) are traditionally used as a graft for coronary artery bypass surgeries, but there has been a debate that its remnant is a nidus for venous stasis and thrombosis. This study aims to determine the risk of thrombosis in the SV stump, which is left after vein harvesting for coronary artery bypass graft (CABG).
Summary of Results
A retrospective single center study was performed, and a total of 100 patients who underwent CABG with SV harvestation were included. The patients were followed up to 7 days to assess for the development of SV thrombosis. Risk factors such as age, family history of prothrombotic states, diabetes, hypertension, smoking history, malignancy and confounding factor like early mobilization that may potentially affect the analysis were taken into accoun
Conclusions
The authors advocate that postoperative risk of developing SV thrombosis and subsequent embolization of the pulmonary arteries is negligible and does not warrant anticoagulation. However we recommend that larger studies, extended over a longer duration of time to be pursued to better assess the risk of venous thrombosis.


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