Two-stage Repair With Long Channel Technique for Primary Severe Hypospadias

Abstract

To introduce a 2-stage repair with long channel technique for primary severe hypospadias. Between March 2010 and November 2013, 16 children with primary severe hypospadias underwent 2-stage repair with long channel technique. The technique applied in the first stage was almost the same as Bracka 2-stage repair. The second stage was usually performed 6months later. A small transverse skin incision, distal to the meatal opening and about 1cm in length, was made. Dissection was carried out deep into the surface of corpora cavernosa and a plane between the subcutaneous tissue and corpora cavernosa was reached. A long channel between the subcutaneous tissue and corpora cavernosa was created from the para-meatus incision to the apex of glans. A rectangle, pedicle scrotal septal skin flap was elevated and tubularized into neourethra around a stenting tube. The neourethra was delivered through the subcutaneous channel and fixed at the apex of glans. The mean operation time of the first and second stages was 65 and 55minutes, respectively. The mean age at the first and second operation was 28 and 36months, respectively. The mean follow-up was 10months. No fistula, glans dehiscence, urethral stricture, and meatal stenosis were recorded. One scrotal surgical wound infection occurred after second stage and healed successfully with antibiotics treatment. The overall cosmetic and functional outcomes after second stage were excellent. Two-stage repair with long channel technique was applicable for primary severe hypospadias, with excellent short-term outcomes.