Buccal mucosal graft urethroplasty of the bulbomembranous part of urethra

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INTRODUCTION: Urethral stricture is a partial or complete narrowing of the urethra, caused by damage to the urethral epithelium. This disease leads to a persistent urination dysfunction, the elimination of which is a difficult task. The aim of this study was to perform a comparative analysis of the immediate and long-term narrowing treatment results of the proximal part of the bulbar and membranous urethral parts using the developed magnifying and anastomotic methods. MATERIAL AND METHODS: A total of 102 patients with a confirmed diagnosis of stricture of the bulbomembranous urethral part of the urethra who underwent treatment in the urological hospital in Irkutsk City Clinical Hospital No. 1 during the period 2012-2018 participated in this prospective study. Urethroplasty operations were performed in two ways, using the anastomotic and intra-urethral substitution techniques. Through the assessment of preoperative parameters, statistical homogeneity of comparison groups was established. RESULTS: The final data analysis showed relapse for 4 patients from Group I and for 2 patients in Group II. The absence of relapse during the entire observation period was equal in both groups and after 2 years amounted to 83.0 ±7.9% in Group I and 92.5 ±5.1% in Group II. CONCLUSIONS: In both groups, the desired result was achieved - adequate independent urination was restored. The anastomotic method of urethroplasty should be used with caution in patients at risk groups, as well as with the presence of predictors of complications: previous transurethral surgeries on the urethra and prostate, anastomotic urethroplasty, radical prostatectomy. The developed minimally invasive substitution technique has a similar effectiveness with a lower risk of complications.

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