title: [One-stage urethroplasty with the modified OUPF IV for proximal hypospadias].
abstract: BACKGROUND
  We previously performed one-stage urethroplasy with OUPF IV in 17 patients with proximal hypospadias and experienced meatal stenosis in 3 and meatal regression in 2.
  
  
  METHODS
  Because these complications seemed to be caused by diminished vascularity, we modified the technique to preserve the vascularity to the peripheral site of the neourethra. The modified OUPF IV (Koyanagi) was used to treat 6 patients with proximal hypospadias during the last 3 months.
  
  
  RESULTS
  Urethrocutaneous fistulas developed in 2 patients but meatal stenosis and meatal regression did not occur.
  
  
  CONCLUSIONS
  We think this modification is suitable for severe proximal hypospadias.
authors.affiliation: Department of Urology, Nagoya City University Medical School, Japan.
authors.forename: Y
authors.initials: Y
authors.lastname: Hayashi
authors.forename: S
authors.initials: S
authors.lastname: Sasaki
authors.forename: T
authors.initials: T
authors.lastname: Mogami
authors.forename: Y
authors.initials: Y
authors.lastname: Yamada
authors.forename: M
authors.initials: M
authors.lastname: Tsugaya
authors.forename: K
authors.initials: K
authors.lastname: Kohri
mesh_terms: D002648:Child; D002675:Child, Preschool; D006801:Humans; D007021:Hypospadias / Q000601:surgery*; D007223:Infant; D008297:Male; D013514:Surgical Procedures, Operative / Q000379:methods; D013536:Suture Techniques; D014521:Urethra / Q000601:surgery*