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[Iatrogenic Injuries of Urinary Tract : Outcomes of Surgical Repairs].

Iatrogenic urinary tract injuries are known complications of digestive and pelvic surgeries. We retrospectively reviewed 13 patients with bladder injuries and 16 patients with ureteral injuries requiring surgical repair or stent placement in our hospital between 2013 and 2016. Obstetric-gynecologic surgery accounted for 10 bladder injuries and 11 ureteral injuries on hysterectomy and Cesarean section. Digestive surgery led to 1 bladder injury and 5 ureteral injuries on colon resection, and urologic surgery resulted in 1 injury on biopsy of a retroperitoneal tumor. Regarding bladder injuries, 10 patients underwent cystorrhaphy, and 3 patients received indwelling of a transurethral Foley catheter alone. Concerning ureteral injuries, 7 patients underwent repair of the injured ureter (ureteroneocystostomy in 5, and ureteroureterostomy in 2), and 9 patients received ureteral stent placement after postoperative retrograde urography. Repair failure was defined when urine leakage, urinary fistula, or urinary stricture requiring ureteral stent placement still existed at 90 days after the repair treatment. The bladder injuries in all 13 cases were successfully repaired. The ureteral injury treatments in 7 out of 16 patients (43.8%) were judged as being unsuccessful because of the condition requiring a ureteral stent at 90 days. There was a correlation between the delayed diagnosis of ureteral injury and unsuccessful repair. The present study showed that the prompt identification of urinary tract injuries, especially ureteral injuries, can result in decreased morbidity andsubsequently improved outcomes.