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[Surgical technique and the first clinical experience of augmentation urethroplasty without dividing of corpus spongiosum (KODAMA technique)].
Urologii︠a︡ 2018 December
AIM: In case of complex and long urethral stricture a use of augmentation technique is often limited by "critically" narrowing of urethral plate. In such cases, the augmentation anastomotic urethroplasty without division of the corpus spongiosum can be the method of choice, because it allows to perform simultaneous augmentation urethroplasty with maximal sparing of antegrade blood flow in corpus spongiosum.
MATERIALS AND METHODS: In urologic clinic of N.I. Pirogov City Clinical Hospital No1 the analysis of 17 patients who were undergone to augmentation anastomotic urethroplasty without division of the corpus spongiosum (Kodama technique), performed by single surgeon from 2013 to 2017 yy was done. The meant stricture length was 3.75 cm (2-6). Penile, bulbar and panurethral stricture was found in 6 (35.3%), 7 (41.2%) and 4 (23.5%) cases, respectively.
RESULTS: Technique efficiency was 88.2% and in 2 patients (11.8%) a stricture recurrence developed. The mean maximum flow rate before and after surgery were 5.4 and 23.1 ml/s, respectively (p<0.05). The mean catheterization time was 14 (7-30) days. There were no patients with de novo urinary incontinence and erectile dysfunction.
CONCLUSION: The initial results of augmentation anastomotic urethroplasty without division of the corpus spongiosum showed high efficiency. To our opinion, the antegrade blood flow sparing makes it the method of choice in patients with long non-traumatic urethral stricture (without severe spongiofibrosis), good preoperative erectile function but isolated length of "critically" narrowing of the urethral lumen.
MATERIALS AND METHODS: In urologic clinic of N.I. Pirogov City Clinical Hospital No1 the analysis of 17 patients who were undergone to augmentation anastomotic urethroplasty without division of the corpus spongiosum (Kodama technique), performed by single surgeon from 2013 to 2017 yy was done. The meant stricture length was 3.75 cm (2-6). Penile, bulbar and panurethral stricture was found in 6 (35.3%), 7 (41.2%) and 4 (23.5%) cases, respectively.
RESULTS: Technique efficiency was 88.2% and in 2 patients (11.8%) a stricture recurrence developed. The mean maximum flow rate before and after surgery were 5.4 and 23.1 ml/s, respectively (p<0.05). The mean catheterization time was 14 (7-30) days. There were no patients with de novo urinary incontinence and erectile dysfunction.
CONCLUSION: The initial results of augmentation anastomotic urethroplasty without division of the corpus spongiosum showed high efficiency. To our opinion, the antegrade blood flow sparing makes it the method of choice in patients with long non-traumatic urethral stricture (without severe spongiofibrosis), good preoperative erectile function but isolated length of "critically" narrowing of the urethral lumen.
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