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Post-hypospadias urethrocutaneous fistulae: no difference in repair success between proximal and distal fistulae
Department of Surgery, Section of Pediatric Urology, University of Utah, Salt Lake City, Utah, USA
Dec 2020 (Vol. 27, Issue 6, Pages( 10466 - 10470)
PMID: 33325350

Abstract

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  • INTRODUCTION Urethrocutaneous fistulae are the most common complication after hypospadias repair. We sought to compare outcomes of proximal versus distal urethrocutaneous fistula repair and hypothesized that patients with proximal fistulae would have lower rates of success than those with distal fistulae. We also aimed to evaluate factors that affected these outcomes.

    MATERIAL AND METHODS:

    Current procedural terminology codes were used to identify patients undergoing urethrocutaneous fistula repair after hypospadias surgery between 2014 and 2017 at an academic, pediatric urology referral center. Characteristics for each initial hypospadias repair and each fistula repair were noted, including location of meatus, location of fistula, type of magnification, suture type, interposition layer and post-operative stenting. The primary outcome was successful fistula repair. Univariate and multivariate analysis was performed.

    RESULTS:

    During the study period, 416 hypospadias repairs were performed. Thirty-one of these later presented with a fistula (8% fistula rate). Sixty-eight percent of fistulae were successfully closed with a single repair. There were 17 distal fistulae and 14 proximal fistulae. There was no difference in success between distal (71%) and proximal (64%) fistulae (p = 0.73). There was no statistically significant association between the primary outcome (successful fistula repair) and fistula location (p = 0.71), magnification (p = 0.38), suture type (p = 0.49), interposition coverage layer (0.43), or postoperative stenting (p = 0.92) on univariate or multivariate analysis.

    CONCLUSION:

    There is no difference in success when repairing distal versus proximal urethrocutaneous fistulae. Neither fistula location, type of magnification, suture type, interposition layer nor stenting affected outcomes.

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