Aortoduodenal fistula after surgery for renal artery stenosis.

An unusual case of aortoenteric fistulation, 5 years after surgery for renal artery stenosis, is presented. A stenotic right renal artery had been reimplanted into the aorta in a 4 1/2 year old boy. No signs of infection had been present, nor had any synthetic material been used. The fistula was found to originate from the ligated renal artery, not from the reconstruction. It was successfully corrected without compromising the kidney.