Literature DB >> 10958720

Modification of the Koyanagi technique for the single stage repair of proximal hypospadias.

H Emir1, V R Jayanthi, K Nitahara, N Danismend, S A Koff.   

Abstract

PURPOSE: We describe a modification of the Koyanagi technique for hypospadias. Use of opposing parameatal-based skin flaps that extend distally to incorporate the inner layer of the prepuce was modified to preserve blood supply to the flaps in an attempt to reduce complications and improve results.
MATERIALS AND METHODS: During the last 7 years 20 boys underwent treatment of proximal hypospadias using the modified hypospadias repair.
RESULTS: Cosmetic and functional, long-term (mean 34 months) results were excellent. Complications consisted of 4 urethrocutaneous fistulas (20%). There were no instances of meatal stenosis, diverticulum or urethral stricture.
CONCLUSIONS: The modified technique permits 1-stage repair of proximal hypospadias with a low complication rate.

Entities:  

Mesh:

Year:  2000        PMID: 10958720     DOI: 10.1097/00005392-200009020-00013

Source DB:  PubMed          Journal:  J Urol        ISSN: 0022-5347            Impact factor:   7.450


  12 in total

1.  Prefabricated partial distal urethral in 2-staged repair of proximal hypospadias with severe chordee.

Authors:  Zhi-Qiang Fan; Jian-Tao Sun; Xue-Hun Huangfu; Guo-Xiao Chen; Jian-Wei Hao; Zhong-Hua Liu
Journal:  Int J Clin Exp Med       Date:  2015-02-15

Review 2.  The influence of perioperative factors on primary severe hypospadias repair.

Authors:  Marco Castagnetti; Alaa El-Ghoneimi
Journal:  Nat Rev Urol       Date:  2011-04       Impact factor: 14.432

3.  Hypospadias repair: an overview of the actual techniques.

Authors:  Ramnath Subramaniam; Anne Francoise Spinoit; Piet Hoebeke
Journal:  Semin Plast Surg       Date:  2011-08       Impact factor: 2.314

4.  Modified koyanagi repair for severe hypospadias.

Authors:  Deepti Vepakomma; Anand Alladi; Raghu S Ramareddy; Tanveer Akhtar
Journal:  J Indian Assoc Pediatr Surg       Date:  2013-07

Review 5.  The contemporary role of 1 vs. 2-stage repair for proximal hypospadias.

Authors:  Shawn Dason; Nathan Wong; Luis H Braga
Journal:  Transl Androl Urol       Date:  2014-12

6.  The modified Koyanagi hypospadias repair for the one-stage repair of proximal hypospadias.

Authors:  Venkata R Jayanthi
Journal:  Indian J Urol       Date:  2008-04

7.  Two-stage repair for proximal hypospadias: a reappraisal.

Authors:  Saul P Greenfield
Journal:  Curr Urol Rep       Date:  2003-04       Impact factor: 2.862

8.  The role of flaps and grafts in modern hypospadiology.

Authors:  M Chad Wallis; Luis Braga; Antoine Khoury
Journal:  Indian J Urol       Date:  2008-04

9.  Clinical efficacy of transverse preputial island flap urethroplasty for single-stage correction of proximal hypospadias: a single-centre experience in Chinese patients.

Authors:  Xu Cui; Yuanbin He; Wenhua Huang; Liu Chen; Yunjin Wang; Chaoming Zhou
Journal:  BMC Urol       Date:  2020-08-05       Impact factor: 2.264

10.  Two simple modifications can potentially change the future of proximal hypospadias surgery. Our series and a review of the literature.

Authors:  Rezkalla Akkary; Mirella Ripepi; Orion Akokpe; Hamdi Louati; Clemence Klipfel; Stephan Geiss
Journal:  Int J Pediatr Adolesc Med       Date:  2020-07-09
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