• C Y Maximilian Png, Young Kim, Samuel Jessula, Charles S DeCarlo, H Davis Waller, Zachary M Feldman, Brandon J Sumpio, Sujin Lee, Anahita Dua, Sunita D Srivastava, and Mark F Conrad.
• Division of Vascular and Endovascular Surgery, Department of Surgery, Massachusetts General Hospital, Boston MA.
• Ann. Surg. 2023 May 1; 277 (5): e1164e1168e1164-e1168.

ObjectiveTo determine if routine completion angiography for lower extremity bypasses using vein conduit results in lower rates of postoperative bypass occlusion.Summary Of Background DataWith the increasing availability of on-table angiography and significant advancements in endovascular techniques, some operators routinely perform completion angiograms. The effect of this surgical paradigm has yet to be rigorously compared to the more widespread selective use of completion imaging in the modern era.MethodsThis retrospective cohort study included infrainguinal arterial bypass procedures utilizing vein conduit completed at a single hospital system from 2001 to 2018 and compared postoperative outcomes between bypasses that underwent routine completion angiography versus selective completion angiography. Notably, any bypasses that underwent completion angiography due to intraoperative concerns were excluded from this analysis.Results666 bypasses that were performed in 589 patients met inclusion criteria. 126 (16.9%) bypasses were classified into the routine completion angiogram group compared to 540 (81.0%) into the selective completion angiogram group. Patients who underwent routine completion angiograms had a rate of intraoperative reintervention of 22.2%. The routine angiogram group had lower rates of reintervention (3.9% vs 10.0%, P = 0.03) and graft occlusion (2.3% vs 9.2%, P = 0.01) at 1-month postoperatively.ConclusionLower extremity bypasses using vein conduit that undergo routine completion angiography are associated with lower rates of graft occlusion at 30-days postoperatively. Completion angiography should thus be routinely performed in infrainguinal bypasses that utilize venous conduit.Copyright © 2021 Wolters Kluwer Health, Inc. All rights reserved.

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