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Abstract
Objectives: The aim of this study was to compare the effectiveness and outcomes of lingual mucosa graft (LMG) urethroplasty versus pedicled skin flap (PSF) urethroplasty in the repair of anterior urethral strictures.
Materials and methods: A retrospective study in one urological center examined 293 male patients with anterior urethral strictures who received substitution urethroplasty from 2006 to 2015. Of these, 199 patients received PSF urethroplasty and 94 received LMG urethroplasty. The causes of stricture included catheter damage, transurethral instrumentation, trauma, infection, tumor and radiotherapy. Strictures caused by lichen sclerosus, hypospadias repair or failed urethroplasty were excluded. The success rate of PSF versus LMG in different urethra positions was analyzed.
Results: Overall, PSF and LMG had similar success rates (83.4% vs 85.1%, p = 0.713). In distal penile urethra, penile skin flaps and LMG achieved similar success rates (87.7% vs 82.1%, p = 0.297), but in proximal penile urethra, scrotal flaps had relatively low success rates (69.0% vs LMG 83.3%, p = 0.345) and in bulbar urethra, perineal skin flaps had significantly lower success rates than LMG (66.7% vs 92.3%, p = 0.036).
Conclusion: Lingual mucosa is a good material for the repair of urethral defects and achieves results similar to or even better than those of PSF. Scrotal skin and perineal skin had lower success rates.
Acknowledgement
The authors would like to offer special thanks to Professor Guido Barbagli for his contribution to the revision of this article.
Disclosure statement
The authors declare no competing financial interests.