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August 1978

Doppler Ankle Systolic Blood PressurePrognostic Value in Vein Bypass Grafts of the Lower Extremity

Author Affiliations

From the Departments of Surgery, Boston University and Tufts University Schools of Medicine, Boston University Medical Center, and Boston Veterans Administration Hospital.

Arch Surg. 1978;113(8):932-935. doi:10.1001/archsurg.1978.01370200026005

• The prognostic value of Doppler-derived ankle systolic pressure indices for predicting the patency of vein bypass grafts in the lower extremity was analyzed in 126 vein bypass grafts performed for limb salvage. Early or late graft failure was not found to correlate with the preoperative ankle systolic pressure index (ASPI). Intraoperative blood flow measurements did not correlate with the preoperative ASPI. An intraoperative graft flow of less than 70 ml/min, a postoperative ASPI less than 0.7 at 24 to 48 hours, or an increase in ASPI of less than 0.4 were prognostic signs of early vein graft failure.

(Arch Surg 113:932-935, 1978)