Perioperative monitoring of blood flow in femoroinfragenicular vein grafts with Doppler ultrasonography: a preliminary report.


A system for monitoring blood flow in femorodistal vein grafts with Doppler ultrasonography in the immediate postoperative period has been developed. Twenty-three grafts have been monitored for periods of up to 72 hours. Seventeen grafts have remained patent at minimum follow-up of 6 months, and six grafts occluded in the immediate postoperative period… (More)