[Causes of the functional disorder of the kidneys in patients with bladder cancer after cystectomy with ureterosigmoid anastomosis].

Cystectomy with ureterosigmoid anastomosis by modified Goodwin's technique was performed in 47 patients with local vesical cancer. Pre- and postoperative functional status of the kidneys was assessed by means of renography, excretory urography and laboratory tests. Unilateral or bilateral renal dysfunction developed within 12 to 18 months after surgery in 22.