The Augmented Nontransected Anastomotic Urethroplasty for the Treatment of Bulbar Urethral Strictures

摘要

OBJECTIVE:The augmented anastomotic urethroplasty (AAU) combines resection of a urethral stricture and an onlay graft. The augmented nontransected anastomotic urethroplasty (ANTA) is a modification of the AAU and involves complete stricture excision without transecting the spongiosum.MATERIALS AND METHODS: This is a retrospective cohort study comparing ANTA with dorsal onlay buccal grafting (DOBG) for bulbar urethral strictures. Medical records between 2005 and 2010 were reviewed. A cross-sectional questionnaire was used to assess long-term outcomes. Medians and interquartile ranges are reported.RESULTS:Forty-four men (23 DOBG, 21 ANTA) with a median follow-up of 2.3 years (range 1.2-3.8) were identified. There were no significant differences between ANTA patients and DOBG patients in terms of age, previous treatment, stricture location, or postoperative follow-up. There was no significant difference between groups in the use of bilateral buccal grafts (P = .416); median buccal length harvested was significantly less in the ANTA group (4.5 cm [range 4.0-5.0]) vs the DOBG group (5.0 cm [range 5.0-8.0], P = .047). Response rate to the cross-sectional survey was 59%. Five patients reported postoperative donor site complications, and there were no significant differences between the ANTA and DOBG groups. Overall success was 93% and not statistically different between groups (log rank test, P = .548). One ANTA patient and 2 DOBG patients required posturethroplasty treatment.CONCLUSIONS: The ANTA has results similar to DOBG and appears to be a viable option in the treatment of bulbar urethral strictures. This technique allows the surgeon to avoid urethral transection, to reconfigure the width of the urethral plate, and to use a smaller buccal graft.