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Urethroplasty with dorsal buccal mucosa graft. Is it still the method of choice in long term urethral stenosis?

Carlo Pavone, Dario Fontana, Ninfa Giacalone, Nino Dispensa, Marco Vella, Alchiede Simonato
  • Carlo Pavone
    UOC Urologia, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli studi di Palermo, Italy
  • Dario Fontana
    UOC Urologia, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli studi di Palermo, Italy | dariofontana1987@yahoo.it
  • Ninfa Giacalone
    UOC Urologia, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli studi di Palermo, Italy
  • Nino Dispensa
    UOC Urologia, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli studi di Palermo, Italy
  • Marco Vella
    UOC Urologia, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli studi di Palermo, Italy
  • Alchiede Simonato
    UOC Urologia, Dipartimento di Discipline Chirurgiche, Oncologiche e Stomatologiche, Università degli studi di Palermo, Italy

Abstract

The aim of our work was to evaluate the long-term changes in symptoms (median 42 months) and to analyze data for any negative predictive factors for the application of the procedure, in patients who underwent to urethroplasty with dorsal buccal mucosa graft. During the period from 2010 to 2015 27 patients were examined. Than they underwent urethroplasty using dorsal buccal mucosa graft (graft of 4 x 2.5 cm). The evaluation of symptoms has been addressed through the application of the IPSS Quality of Life Questionnaire (International Prostatic Symptoms Score) and the evaluation of urinary flow has been carried out by a comparative analysis between the pre- and post-operative uroflowmetry. As our study has shown, data obtained by the screening tests in the post-operative follow-up indicate that there is an increase in the maximum flow of urine until 1 month after surgery. The results in the long-term follow-up are different because they show a partial reduction of the maximum flow although it is maintained around an average value of 23 ml/s being still higher than the maximum flow in the pre-operative period. According to our results it follows that there is a low failure rate of the procedure after a median of 42 months. Only in patients with urethral stenosis longer than 2 cm, a lower long term success is achieved. From what we could observe, this length of the stenosis seems to be the only negative predictive factor for long-term maintenance of a good Quality of Life in patients undergoing the procedure. The results obtained from our study confirm literature data according to which, the gold standard for 2-cm long bulbar urethral stricture whose lumen is well preserved with circumferential spongiofibrosis limited to 1-2 mm is the dorsal graft urethroplasty with buccal mucosa that in our study showed success rates higher of 80% after a median follow up of 42 months and a percentage of relapse-free patients of 82.1% ( median 3.5 years).

Keywords

Urethroplasty; Urethral stenosis; Urology; Andrology

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Submitted: 2016-06-22 13:46:28
Published: 2017-03-31 00:00:00
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