alexa Single-stage repair of hypospadias using longitudinal dorsal island flap: Single-surgeon experience with 102 cases.
General Science

General Science

Journal of Biotechnology & Biomaterials

Author(s): Chandrasekharam VV

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Abstract PURPOSE: There are many techniques of harvesting vascularized skin flaps from penile skin for hypospadias repairs. Here, we review our experience with the use of longitudinal dorsal island flap (LDIF) for mid- and proximal hypospadias repairs and to assess the results and complications of onlay and tubularized repairs. MATERIALS AND METHODS: We retrospectively reviewed the data of all children with hypospadias operated by a single surgeon using the LDIF technique. The severity of hypospadias, technique, complications, and follow-up were assessed. RESULTS: Over a 9.4-year period, 102 children (mean age 4.2 years, range 6 months to 11 years) were operated for primary hypospadias using the LDIF technique. All children had poorly formed urethral plates and hence were considered unsuitable for tubularized incised plate repair. The hypospadias was classified as midpenile, proximal penile/penoscrotal or perineal in 29, 64, and 9 children respectively. Onlay LDIF repair was done in 85 children, while in 17 children, tubularized LDIF repair was performed. At a mean follow-up of 1.8 years, complications occurred in 12 (12\%) children. Complications were more common after tubularized repairs than onlay repairs (24\% vs. 9.5\%). All glans dehiscences occurred after onlay repairs, while meatal stenosis and diverticulum occurred after tubularized repairs. No child had urethral stenosis after onlay repair, and uroflow studies in 16 children demonstrated normal curves and flow rates. CONCLUSIONS: We report the use of LDIF for single-stage mid and proximal hypospadias repair with good success and an acceptable complication rate. Onlay repairs had fewer complications than tubularized repairs. Our results indicate that the specific advantages and versatility of LDIF make it a good option to consider in cases of hypospadias with poorly developed urethral plates where onlay or substitution urethroplasty is indicated.
This article was published in Indian J Urol and referenced in Journal of Biotechnology & Biomaterials

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