Điều trị phẫu thuật hẹp niệu đạo sau mổ lỗ tiểu thấp: Kinh nghiệm ở 49 bệnh nhân

Choose the surgical technique for management of urethral strictures after hypospadias repair and evaluate the results. Methods: Prospective study, case series description. The patients diagnosed with urethral stricture after hypospadias repair. Results: From October 2013 to January 2022, 49 patients suffered from urethral stricture with an average age of 8 years were reoperated. Technique: Resection of the stenosed urethra then making the anastomosis in 3 patients (6.1%). Expanding the stenosed urethra by Y-V plasty in 3 patients (6.1%) and patch by skin graft in 5 patients (10.2%). Reconstruction of the urethra by Duplay technique in 9 patients (18.4%) and by full thickness skin graft in 29 patients (59.2%). Success rate was 77.6% (38/49), complication was 22.4 % (11/49) including the urethral stricture 8.2% (4/49), urethral fistula 12.2% (6/49) and penile curvature 2% (1/49). According to the severity degree, the length of the stenosed urethra and quality of the peno-scrotal skin in order to choose the preferable operating technique that has the hight successful rate for management of the urethral stricture.