Journal of Pediatric Urology
Volume 5, Issue 4 , Pages 300-306 , August 2009

Original Koyanagi urethroplasty versus modified Hayashi technique: Outcome in 57 patients

  • Massimo Catti

      Affiliations

    • Department of Paediatric Urology, Hôpital Mère Enfants – Groupe Hospitalier Est, 59, Boulevard Pinel, 69677 Bron Cedex, France
    • ,
  • Henri Lottmann

      Affiliations

    • Department of Paediatric Urology, Hôpital Necker – Enfants Malades, Paris, France
    • ,
  • Sergei Babloyan

      Affiliations

    • Department of Paediatric Urology, Hôpital Mère Enfants – Groupe Hospitalier Est, 59, Boulevard Pinel, 69677 Bron Cedex, France
    • ,
  • Stephen Lortat-Jacob

      Affiliations

    • Department of Paediatric Urology, Hôpital Necker – Enfants Malades, Paris, France
    • ,
  • Pierre Mouriquand

      Affiliations

    • Department of Paediatric Urology, Hôpital Mère Enfants – Groupe Hospitalier Est, 59, Boulevard Pinel, 69677 Bron Cedex, France
    • Corresponding Author InformationCorresponding author. Tel.: +33 4 27855903.

Received 27 October 2008 ,Accepted 5 March 2009.

References 

  1. Catti M, Demede D, Valmalle AF, Mure PY, Hameury F, Mouriquand P. Management of severe hypospadias. Indian J Urol. 2008;24:233–240
  2. Mouriquand PDE, Mure PY. Hypospadias. In:  Gearhart JP,  Rink RC,  Mouriquand PDE editor. Pediatric urology. Philadelphia: WB Saunders; 2001;p. 713–728
  3. Valla JS, Takvorian PH, Dodat H, Galifer RB, Chavrier Y, Aubert D, et al. Single stage correction of posterior hypospadias (178 cases): comparison of three techniques: free skin graft, free bladder mucosa graft, transverse pedicle preputial graft. Eur J Pediatr Surg. 1991 Oct;1:287–290
  4. Koyanagi T, Nonomura K, Yamashita T, Kanagawa K, Kakizaki H. One-stage repair of perineal hypospadias and scrotal transposition. Eur Urol. 1984;10:364–367
  5. Hayashi Y, Kojima Y, Mizuno K, Nakane A, Kohri K. The modified Koyanagi repair for severe proximal hypospadias. BJU Int. 2001 Feb;87:235–238
  6. Duckett JW. In:  Walsh PC,  Gilles RGF,  Perlmutter AD,  Stamey TA editor. Campbell's urology. Philadelphia: WB Saunders and Co; 1986;p. 1987–1989
  7. Dessanti A, Rigamonti W, Merulla V, Falchetti D, Caccia G. Autologous buccal mucosa graft for hypospadias repair: an initial report. J Urol. 1992;147:1081–1084
  8. Ransley PG, Duffy PG, Oesch IL, Hoover D. Autologous bladder mucosa graft for urethral substitution. J Urol. 1994;151:1056–1058
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  10. Snodgrass WT, Lorenzo A. Tubularized incised-plate urethroplasty for proximal hypospadias. BJU Int. 2002;89:90–93
  11. Koyanagi T, Nonomura K, Kakizaki H, Takeuchi I, Yamashita T. Experience with one-stage repair of severe proximal hypospadias: operative technique and results. Eur Urol. 1993;24:106–110
  12. Glassberg KI, Hansbourgh F, Horowitz M. The Koyanagi-Nonomura 1-stage bucket repair of severe hypospadias with and without penoscrotal transposition. J Urol. 1998 Sep;160:1104–1107discussion 1137
  13. Sugita Y, Tanikaze S, Yoshino K, Yamamichi F. Severe hypospadias repair with meatal based paracoronal skin flap: the modified Koyanagi repair. J Urol. 2001 Sep;166:1051–1053
  14. Elbakry A. Complications of the preputial island flap-tube urethroplasty. BJU Int. 1999 Jul;84:89–94
  15. Parsons K, Abercombie GF. Transverse preputial island flap neo-urethroplasty. Br J Urol. 1984;25:186–188
  16. Wiener JS, Sutherland RW, Roth DR, Gonzales ET. Comparison of onlay and tubularized island flaps of inner preputial skin for the repair of proximal hypospadias. J Urol. 1997;158:1172–1174
  17. Wallis MC, Braga L, Khoury A. The role of flaps and grafts in modern hypospadiology. Indian J Urol. 2008;24:200–205
  18. Kinkead TM, Borzi PA, Duffy PG, Ransley PG. Long-term followup of bladder mucosa graft for male urethral reconstruction. J Urol. 1994;151:1056–1058
  19. Hensle TW, Kearney MC, Binham JB. Buccal mucosa grafts for hypospadias surgery: long term results. J Urol. 2002;168:1734–1737
  20. Duckett JW, Coplen D, Ewalt D, Baskin LS. Buccal mucosal urethral replacement. J Urol. 1995;153:1660–1663
  21. Mollard P, Castagnola C. The release of chordee without dividing the urethral plate and onlay island flap. J Urol. 1994 Oct;152:1238–1240
  22. Mouriquand PDE, Persad R, Sharma S. Hypospadias repair: current principles and procedures. Br J Urol. 1995;76:9–22
  23. Erol A, Baskin LS, Li YW, Liu WH. Anatomical studies of the urethral plate: why preservation of the urethral plate is important in hypospadias repair. BJU Int. 2000 Apr;85:728–730

PII: S1477-5131(09)00290-3

doi: 10.1016/j.jpurol.2009.03.010

Journal of Pediatric Urology
Volume 5, Issue 4 , Pages 300-306 , August 2009

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