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Inclusion and Exclusion Criteria to Overcome Bias and Reach a Valid Conclusion for Interpositional Flap Coverage in Primary Hypospadias Repair With Tubularized Incised Plate Urethroplasty

El-Shazly, Mohamed MD

doi: 10.1097/SAP.0b013e31825516a0
Reconstructive Surgery
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Background There is no general consensus about the best vascularized layer between the neourethra and the skin in tubularized incised plate urethroplasty (TIPU) of Snodgrass. Inclusion of 1 surgeon to repair specific forms of hypospadias by using determined surgical materials and exclusion of definite patients and conditions and definite anomaly parameters may present the needed reliable data about the role of a specific type of interpositional coverage of the neourethra.

Patients and Methods The 37 patients had been operated by TIPU with a ventral subcutaneous dartos flap covering the neourethra who designed as group A, while 26 patients had been operated by the standard TIPU without urethral coverage who designed as group B.

Results Good cosmetic results were obtained in 93.65% of the patients. In group A, urethral fistulae were encountered in 2 cases of distal hypospadias and 1 case of midpenile hypospadias with a total fistula rate of 8.1%. In group B, urethral fistulae were found in 5 cases of distal hypospadias and 3 cases of midpenile hypospadias with a total fistula rate of 30.7%.

Conclusions Flapless repair should not be tried as long as there is the needed experience to harvest a well-vascularized coverage. Interpositional flap coverage of the neourethra is crucial to decrease the rate of fistula in primary hypospadias TIPU repair. However, before designating a relative study, different forms of the anomaly, surgeon’s experience, the potential harvesting complications, complexity degrees of different repairs, and the used surgical materials should be really considered.

From the Department of Plastic Surgery, Assiut University, Assiut, Egypt.

Received January 30, 2012, and accepted for publication, after revision, March 10, 2012.

Reprints: Mohamed El-Shazly, MD, Department of Plastic Surgery, Assiut University Hospital, 71526 Assiut, Egypt. E-mail: mmelshazly@gmail.com.

© 2013 by Lippincott Williams & Wilkins