Ureteral motility after renal autotransplantation.

Twelve kidneys were autotransplanted to the internal iliac vessels in 11 patients for the treatment of renovascular hypertension. The ureter had been left unresected in all but one case, where a transuretero-ureterostomy was performed. A radiographic study of the ureteral motility was obtained during the postoperative period recording images every 1.5 s with a spot-camera system. The ureters appeared to follow different courses, due to the different surgical procedures. In all but two cases the transport of urine was obtained through separate boluses, frequency and direction of peristalsis were within normal ranges, and significant dilation was never observed.