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Ligation for penetrating abdominal vein trauma may have better outcome than a vascular reconstruction in an unstable patient. However, symptoms of chronic venous insufficiency may appear over time. We describe our surgical experience with 4 patients who underwent iliac vein ligation followed by venous bypass with a modified Palma derivation between 48 and 240 hours after sustaining penetrating abdominal trauma with concomitant iliac vein injury. Patients were assessed for venous symptoms and conduit patency with continuous wave Doppler and duplex scanning. One graft occluded acutely and the remaining three remain patent with functioning valves. In order to preserve venous outflow after severe iliac vein injury, we think that venous ligation as a part of damage control surgery followed by a modified Palma operation may prevent chronic symptoms of venous outflow obstruction without compromising an already injured patient.