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Confused about brachaxillary creation.

"Circumferential dissection of the brachial artery was performed. Vessel loops were placed in Potts fashion proximally and distally. second incision was created in the left axilla. Circumferential dissection of the axillary vein was performed. Using a Gore tunneling device, the graft was tunneled on the anterior aspect of the arm from the brachial artery to axillary vein, graft was tunneled subcutaneously. The axillary vein was occluded proximally and distally using profunda clamps. Longitudinal venotomy was created using #11 scalpel, extended using Potts scissors and end of graft side of vein anastomosis completed using 6-0 Prolene suture. Upon completion of anastomosis, vascular occlusion was taken down. Graft was occluded in the venous end using angled DeBakey clamp. The brachial artery was occluded proximally and distally using profunda clamps. Longitudinal arteriotomy was created using #11 scalpel and extended using Potts scissors. End of graft side of artery anastomosis completed using 6-0 Prolene suture."