Staged transverse preputial island flap urethroplasty for proximal hypospadias: a single-center experience.

To evaluate the intermediate outcomes of our institution's experience with staged TPIF urethroplasty for proximal hypospadias repair.

We retrospectively evaluated the medical records of patients who underwent repair of proximal hypospadias using staged TPIF urethroplasty at our hospital from 2011 to 2017.

One hundred and two patients were included in the present study. The mean follow-up was 52.4 months (range 13-74 months). The mean age at the time of the first surgery was 13.5 months (range 11-65 months). There were two main types of initial complications including meatal stenosis in four (3.9%) and urethrocutaneous fistula in three (2.9%) patients after the first stage. Surgical complications were seen in 15 patients after second stage, including urethrocutaneous fistulas in 8 (7.8%), urethral strictures in 5 (4.9%), urethral diverticula in 2 (1.9%). Overall complication rates after second stage were 14.7%. The incidence of fistulas was lower in patients who underwent repair with a tunica vaginalis flap (1/29, 3.4%) than with the dartos fascia (7/73, 9.6%; p = 0.435).

Our results show that staged TPIF urethroplasty is a viable and durable technique for primary severe proximal hypospadias. This procedure was associated with a 14.7% complication rate in the present study. Staged TPIF urethroplasty can reduce the incidence of urethral strictures and diverticula associated with the second stage.

Pediatric surgery international. 2019 May 02 [Epub ahead of print]

Chaoxu Wang, Hongcheng Song, Weiping Zhang

Department of Urology, Beijing Children's Hospital Affiliated to Capital Medical University, Beijing, 100045, China., Department of Urology, Beijing Children's Hospital Affiliated to Capital Medical University, Beijing, 100045, China. .

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