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Updated: Jul 27, 2026
Vessel-sparing Excision and Primary Anastomosis
Published on: January 7, 2019
Analysis of hypospadias and fistula repair
L Lay1, W A Zamboni, J H Texter
1Division of Urology, Southern Illinois University School of Medicine, Springfield, USA.
Insights
Hypospadias repair in children involves various surgical techniques. Fistula formation is the most common complication, particularly after free tube graft urethroplasties, but rates improved with experience.
Area of Science:
- Pediatric Urology
- Surgical Reconstruction
- Congenital Abnormalities
Background:
- Hypospadias is a common congenital penile anomaly requiring surgical correction.
- Various surgical techniques exist for hypospadias repair, each with potential complications.
- Fistula formation remains a significant challenge in hypospadias surgery.
Purpose of the Study:
- To review the experience with hypospadias repair in children.
- To analyze the incidence and management of fistula formation after different repair methods.
- To emphasize outcomes for penile hypospadias repair.
Main Methods:
- Retrospective review of 83 pediatric hypospadias repairs performed between 1977 and 1991.
- Categorization of surgical techniques including Meatal Advancement and Glanuloplasty Repair (MAGPI), flip flap, free tube graft, and vascularized tube graft.
- Analysis of complication rates, specifically fistula formation, and their management.
Main Results:
- Meatal advancement and glanuloplasty repair (MAGPI) was the most frequent procedure (n=37).
- Overall fistula incidence was 16%, with higher rates after free tube graft (54%) and vascularized tube graft (25%) urethroplasties.
- A decrease in fistula rates for vascularized tube grafts after 1986 suggests a learning curve; 70% of fistulas required surgical repair, 30% closed spontaneously.
Conclusions:
- Hypospadias repair outcomes are influenced by surgical technique and surgeon experience.
- Vascularized tube grafts show potential for reduced fistula rates with experience.
- Effective management strategies exist for post-hypospadias repair fistulas, including spontaneous closure and surgical intervention.
Abstract:
A total of 83 children underwent hypospadias repair from 1977 to 1991. The method of repair was based on individual patient pathology. Meatal advancement and glanuloplasty repair (MAGPI) was the most common operation performed (n = 37) followed by flip flap (n = 19), free tube graft (n = 11), and vascularized tube graft (n = 16). Fistula formation was the most common complication, with an overall incidence of 16 per cent. Fifty-four per cent of fistulas occurred following free tube graft urethroplasties, and 25 per cent of fistulas were noted following vascularized tube graft procedures. After 1986 the fistula rate decreased to 11 per cent in vascularized tube grafts, indicating a learning curve for this procedure. Seventy per cent of all fistulas required uncomplicated surgical repair, and 30 per cent closed spontaneously. We present our experience involving hypospadias repair, fistula formation, and management with an emphasis on penile hypospadias.
