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Fig. 3B. —73-year-old woman with aorta to celiac artery bypass graft.
Intraoperative sonogram with longitudinal views of distal anastomosis
evaluation is shown. Spectral Doppler waveform in native artery reveals
significant increase in peak systolic velocity up to 2.5 m/sec associated with
significant change in caliber. Elevated velocities were seen throughout
vessel, and no filling defect was detected. These findings are characteristic
of graft–vessel mismatch.
