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ARTICLE |

Runoff Resistance and Early Graft Failure in Infrainguinal Bypass Surgery

George A. Peterkin, MD; Wayne W. LaMorte, MD, PhD; James O. Menzoian, MD
Arch Surg. 1988;123(10):1199-1201. doi:10.1001/archsurg.1988.01400340025004.
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• Recent reports suggest that intraoperatively measured runoff resistance can identify patients destined for early graft failure. We measured runoff resistance in 80 consecutive patients who had undergone infrainguinal bypass surgery, and periodically assessed graft patency. There were 57 femoropopliteal bypass grafts and 23 infrapopliteal bypasses. After 3,6, or 12 months, there was no significant difference in mean resistance between those grafts remaining patent and those that failed. Moreover, among patients with very high resistance (1.2 mm Hg/mL/min), 12 bypass grafts remained patent for more than one year. These results demonstrate that even patients with relatively high runoff resistance can undergo successful bypass grafting. Consequently, patients with measured or angiographic evidence of poor runoff should not be denied vascular reconstruction on this basis alone. We believe that graft failure is a multifactorial process in which the nature of the graft material, location of the distal anastomosis, runoff resistance, and a number of other factors are likely to play a role.

(Arch Surg 1988;123:1199-1201)

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