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Updated: Aug 21, 2026
Vessel-sparing Excision and Primary Anastomosis
Published on: January 7, 2019
Results of 265 consecutive proximal hypospadias repairs using the Thiersch-Duplay principle
Samuel A Amukele1, Adam C Weiser, Jeffrey A Stock
1Department of Urology, Schneider Children's Hospital, Long Island Jewish Medical Center, New Hyde Park, New York, USA.
Insights
The Thiersch-Duplay urethroplasty effectively repairs proximal hypospadias, achieving excellent results. Waterproofing the suture line significantly reduced fistula rates in this surgical technique for hypospadias repair.
Area of Science:
- Pediatric Urology
- Surgical Reconstruction
- Hypospadias Research
Background:
- Hypospadias is a congenital condition requiring surgical correction.
- Proximal hypospadias presents unique reconstructive challenges.
- The urethral plate is a key structure in hypospadias repair.
Purpose of the Study:
- To review the evolution of urethral plate tubularization concepts.
- To present surgical outcomes for proximal hypospadias repair using Thiersch-Duplay urethroplasty.
- To evaluate the impact of suture line waterproofing on fistula rates.
Main Methods:
- Retrospective analysis of 281 children with proximal hypospadias.
- Surgical intervention: Thiersch-Duplay urethroplasty (with or without midline urethral plate incision).
- Follow-up data collected from 265 patients.
Main Results:
- 88.7% of patients achieved excellent functional and cosmetic outcomes.
- Waterproofing the urethral suture line with dartos or tunica vaginalis flaps reduced fistula rates from 17% to 1.8%.
- The technique demonstrated a significant decrease in complication rates.
Conclusions:
- Thiersch-Duplay urethroplasty principles form the basis for urethral tube construction.
- This method provides a favorable comparison to other hypospadias repair techniques.
- The study highlights the efficacy of urethral plate tubularization in proximal hypospadias repair.
Purpose:
We review the evolution of the concept of tubularization of the urethral plate and our results in the repair of proximal hypospadias.
Materials And Methods:
A total of 281 children born with proximal hypospadias underwent Thiersch-Duplay urethroplasty with or without a midline incision of the urethral plate between 1989 and 1998. Followup data were available in 265 children.
Results:
Excellent functional and cosmetic results were achieved in 88.7% of the patients. The use of either a dartos or tunica vaginalis flap to waterproof the urethral suture line resulted in a decrease in the fistula rate from 17% to 1.8%.
Conclusions:
The principles of Thiersch-Duplay urethroplasty represent the basic foundation for surgical techniques that use the urethral plate to construct a urethral tube. The use of this principle in the repair of proximal hypospadias compares favorably with other methods.
