After undergoing a partial cystectomy for carcinoma of the rectum, a 76-year-old woman develops a vesicovaginal fistula. The repair will have a higher chance of success if which of the following occurs?
Scare tissue is not excised The bladder wall is closed under tension Repair is performed more than 6 months after the causative operation Repair is performed within 7-14 days of the onset of symptoms