Popliteal artery aneurysms are the most common aneurysmal disease of the lower extremity. Although endovascular solutions are gaining consensus, open surgery with interposition grafting remains the standard of care. The great saphenous vein (GSV) is the most commonly used conduit and shows the best long-term results. However, optimal vein segments can sometimes be unavailable, thus leading to the use of unsuitable segments or prosthetic grafts. We report the cases of 3 patients who had bilateral popliteal aneurysms and only 1 GSV that was considered suitable for grafting, without alternative venous segments. All patients underwent staged treatment with the use of the GSV. After the first operation, the remaining GSV was cryopreserved and then reused for the contralateral limb. All patients had an uneventful outcome. No graft occlusions and no aneurysmal dilatations were detected at follow-up. Cryopreservation of autologous vein for staged treatment of bilateral popliteal aneurysms is feasible and seems to avoid the risk of residual GSV loss during the time inbetween the interventions.
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