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Modified one-stage dorsal-inlay buccal mucosa graft technique for ventral penile urethral and penile skin erosion: A step-by-step guide.

ABSTRACT: To demonstrate the use of a modified single-stage technique for the repair of a ventral penile urethral erosion with involvement of the penile skin, as penile urethral erosion is a rare but potential complication of chronic indwelling catheterisation with a lack of available recommendations for reconstructive options.A 44-year-old male with paraplegia, neurogenic bladder dysfunction and chronic sacral decubitus, presented with a large mid-penile erosion of the ventral penile shaft and urethra, which was caused by chronic transurethral indwelling catheterisation while being hospitalised in an intensive care unit. The reconstruction involved a single-stage dorsal-inlay buccal mucosa graft urethroplasty (Asopa) in addition to the second stage of a two-stage urethroplasty. The urethroplasty as well as the buccal mucosa graft harvest were performed by a single team.The modified single-stage urethroplasty procedure had a duration of 158 min with a postoperative hospitalisation of 3 days. At 8-months follow-up, the lesion had fully healed and the patient was back on clean intermittent self-catheterisation with solifenacin 10 mg daily. No complications occurred postoperatively.The modified single-stage dorsal-inlay technique is a viable method for repairing ventral penile urethral erosion with involvement of penile skin.

SUBMITTER: Van Putte L

PROVIDER: S-EPMC5122800 | biostudies-other | 2016 Dec

REPOSITORIES: biostudies-other

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Modified one-stage dorsal-inlay buccal mucosa graft technique for ventral penile urethral and penile skin erosion: A step-by-step guide.

Van Putte Lennert L De Win Gunter G

Arab journal of urology 20160923 4

<h4>Objective</h4>To demonstrate the use of a modified single-stage technique for the repair of a ventral penile urethral erosion with involvement of the penile skin, as penile urethral erosion is a rare but potential complication of chronic indwelling catheterisation with a lack of available recommendations for reconstructive options.<h4>Patient and methods</h4>A 44-year-old male with paraplegia, neurogenic bladder dysfunction and chronic sacral decubitus, presented with a large mid-penile eros ...[more]

PMID: 27900223

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Project description:BackgroundFemale urethral stricture (FUS) represents a sporadic condition. There is a lack of data and standardized guidelines on diagnostics and therapeutics. Several surgical techniques have been described for FUS urethroplasty, among which the flap-based or graft-based ones are most reported. Buccal mucosa graft (BMG) represents the gold standard for male urethroplasty, and this can theoretically be applied also to FUS treatment.ObjectiveTo describe and present preliminary results of a novel minimally invasive technique for buccal mucosa dorsal graft (mini-dorsal BMG) urethroplasty for the treatment of FUS.Design setting and participantsThis is a retrospective study on buccal mucosa dorsal graft urethroplasty for the treatment of FUS.Surgical procedureEvery patient was placed in lithotomic position. Two stiches were placed at 10 and 2 o'clock positions to facilitate the dorsal median urethrotomy. The margins of the incised dorsal urethra at the 12 o'clock position are then dissected from the periurethral tissue. This dissection results in an elliptical raw area between the edges of the urethra over the periurethral tissue. The harvested BMG was fixed with several quilting sutures, using 5-0 and 4-0 absorbable sutures, to cover the raw area. The margins of the graft were sutured to the edges of the incised urethra.MeasurementsA chart review was performed.Results and limitationsThirteen patients underwent the mini-dorsal-BMG technique. The median preoperative uroflow was 5.6 (3-13) ml/s, and the median postoperative value was 23.4 (14-58) ml/s.ConclusionsThe mini-dorsal-BMG technique for the treatment of FUS gives good results with low complication rates. Other series and long-term follow-up are necessary to confirm the reproducibility of this technique.Patient summaryWe present the technical aspects and the promising preliminary results of a novel surgical technique for the treatment of female urethral stricture by using the buccal mucosa to correct this invalidating disease.

Project description:ObjectiveThe purpose of this study was to compare the outcomes of the buccal mucosa and lingual mucosa used in children who received multiple failed hypospadias surgeries.MethodWe conducted a retrospective study of 62 children who received buccal or lingual mucosa graft urethroplasty in our hospital between 2012 and 2015. The ages ranged from 3.5-11 y. All cases included multiple failed hypospadias procedures, and the subjects received previous operations 2-3 times. All patients underwent one-stage operations. Thirty-three cases were treated with lingual mucosa grafts. The patient ages ranged from 3.5 to 11 y (median 7.5 y), and they had previous operations 2-3 times (mean 2.8±0.7). Grafts ranged from lengths of 2-6 cm (mean 5.1±0.46 cm) and widths of 0.5-1.5 cm (mean 1.2± 0.16 cm). Our follow-up was 5 to 12 m (mean 8.3±1.2 m). Twenty-nine cases were treated with buccal mucosa grafts. The patient ages ranged from 4 to 9.2 y (median 7.0 y), and they had previous operations 2-3 times (mean 2.5±0.2). Grafts ranged from lengths of 2-5.3 cm (mean 4.9± 0.28 cm) and widths of 0.5-1.5 cm (mean 1.0±0.11 cm). Our follow-up was 5 to 12 m (mean 7.9±0.5 m). The results were tested with SPSS 18.0. The rates of complications were compared by a chi-square test, and pre-operative conditions were compared by t test.ResultsFor the outcomes of the two groups, there was no significant difference between the groups in terms of age, preoperative surgery time, and the length and width of the grafts (p>0.05). For the lingual mucosa graft group, fistula: 2/33 (6.0%), stricture: 1/33(3.0%), ventral curvature: 2/33(6.0%), complications: 5/33(15.0%), success rate: 28/33(84.8%), Hose score: 14.34±0.95, peak flow: 6.5 ml/s-12.0 ml/s, and mean peak flow: 9.3±0.4 ml/s. For the buccal mucosa graft group, fistula: 2/29(6.8%), stricture: 2/29(6.8%), ventral curvature: 1/29 (3.4%), complication rate: 5/29(17.0%), success rate: 24/29 (83.0%), Hose score: 14.28±1.03, peak flow: 6.5 ml/s-12.0 ml/s, and mean peak flow: 9.2±0.2 ml/s. There were no differences between the two groups for overall success, complication rates, peak flow, and the Hose scores(P>0.05).ConclusionThe lingual mucosal graft and the buccal mucosa graft both achieved good outcomes, and the lingual mucosa graft made up for the shortcomings of the buccal mucosa graft, which provided a reliable way to treat the multiple failed hypospadias surgeries in pre-pubertal boys.

Project description:ContextOral mucosa graft (OMG) and penile skin flap (PSF) are common substitutions in urethroplasty; however, the recommended substitution for anterior urethral strictures remains uncertain.ObjectiveTo compare the efficacy of OMG and PSF in anterior urethral strictures in terms of success rate and prevalence of postvoid dribbling based on current studies.Evidence acquisitionA systematic review was conducted following the Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA) and registered at PROSPERO (ID: CRD42022313879). All publications until March 1, 2022, were searched in the PubMed, EMBASE, and Cochrane Library databases without any restriction. Studies that focused on patients with anterior urethral strictures undergoing single-stage augmentation urethroplasty with OMG and PSF, and reported comparable success rates between the two substitutions were included.Evidence synthesisThirteen studies involving a total of 1216 patients were included in the screening procedures, and 12 studies were eventually included in the meta-analysis. No significant difference in success rates was identified between OMG and PSF (odds ratio [OR]: 1.41, 95% confidence interval [CI]: 0.96-2.07, p = 0.08). No significant difference was observed in the comparison of success rates in penile urethral strictures (OR: 0.95, 95% CI: 0.53-1.70, p = 0.86) and in the comparison of postvoid dribbling (OR: 0.59, 95% CI: 0.31-1.11, p = 0.10). However, a subgroup analysis suggested that OMG had a higher success rate than PSF in studies with the top 50% sample size (six studies, OR: 1.678, 95% CI: 1.055-2.668, p = 0.029) and the top 50% follow-up period (five studies, OR: 2.279, 95% CI: 1.193-4.352, p = 0.013).ConclusionsOMG provides the same success rate and postvoid dribbling as PSF. However, based on the existing evidence, OMG is more likely to perform better in a cohort with long-term follow-up and a relatively large sample size. More studies on the two substitutions are necessary to evaluate the factors of urethroplasty success rate, performance of substitutions in penile urethral strictures, and indicators of quality of life.Patient summaryIn this research, we compared the outcomes of oral mucosa graft (OMG) and penile skin flap for urethroplasty in anterior urethral stricture patients in 13 studies. We found that these were similar in terms of success rate and postvoid dribbling. However, OMG could probably provide a higher success rate when the studies had more patients or a longer follow-up period.

Dataset Information

Modified one-stage dorsal-inlay buccal mucosa graft technique for ventral penile urethral and penile skin erosion: A step-by-step guide.

Publications

Modified one-stage dorsal-inlay buccal mucosa graft technique for ventral penile urethral and penile skin erosion: A step-by-step guide.

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