da Silva Eloísio Alexsandro, Lobountchenko Tassia, Marun Matheus Nemer, Rondon Atila, Damião Ronaldo
Laboratory for Translational Research in Urology-UroLab, Service of Urology, Pedro Ernesto Memorial Hospital, Rio de Janeiro State University, Av. 28 de Setembro, 77-5º andar-Vila Isabel, Rio de Janeiro, RJ, 20551-030, Brazil,
Pediatr Surg Int. 2014 Mar;30(3):339-44. doi: 10.1007/s00383-013-3442-1. Epub 2013 Dec 28.
To assess influence of penile biometric characteristics on surgical outcome of tubularized incised plate (TIP) repair for hypospadias.
We prospectively studied 42 boys with distal hypospadias that underwent TIP urethroplasty. Biometric assessment prior to surgery consisted of classifying glans shape, urethral plate (UP) length and width, prepuce vascularization and penile size, using a caliper rule, according to previous definitions. Surgical outcome was assessed according to the occurrence of dehiscence, fistula or urethral stricture.
There was no statistical difference among groups concerning postoperative complications. Glans shape: grooved (24/57 %), shallow (9/21 %) and conical (9/21 %). UP width: <10 mm (26/62 %) and ≥10 mm (16/38 %). UP length was evaluated in 29 patients: <10 mm in (12/41 %) and ≥10 mm (17/59 %). Prepuce vascularization: one predominant blood vessel (17/41 %), two predominant blood vessels (8/19 %), H-like form with communication between two well-developed blood vessels (6/14 %) and net-like form with no predominant blood vessels (11/26 %). Penile size was measured in 28 patients under 50th percentile (25/89 %).
Glans shape, UP width, UP length, prepuce vascularization and penile size do not significantly affect the complication rate of TIP repair in distal hypospadias. Most of the patients with distal hypospadias presented with penile size under mean length for age suggesting some form of mild hypogonadism.
