CPT® Code 35512

A bypass graft, specifically the subclavian-brachial bypass graft, is a surgical procedure designed to create an alternative pathway for blood flow around a diseased or obstructed segment of an artery. This procedure is particularly relevant when there is an occlusion in the axillary or proximal brachial artery on the same side of the body, which can impede proper blood circulation to the arm. The surgery involves the use of a vein graft, typically harvested from the saphenous vein, to reroute blood flow from the subclavian artery to the brachial artery. The procedure begins with incisions made at strategic locations: one at the base of the neck to access the subclavian artery and another in the arm to expose the brachial artery. A tunnel is then created to facilitate the passage of the vein graft from the subclavian artery to the brachial artery. This surgical intervention is crucial for restoring adequate blood supply, especially in cases of severe vascular trauma affecting the chest wall, shoulder, and upper arm. The successful completion of this procedure is verified by checking blood flow through the graft using Doppler ultrasound and assessing distal pulses to ensure the graft is patent and functioning effectively.