The midterm success rates of tubularized incised plate urethroplasty in reoperative patients with distal or midpenile hypospadias

Murat Cakan, Fatih Yalçinkaya, Fuat Demirel, Mustafa Aldemir, Uğur Altuğ
Pediatric Surgery International 2005, 21 (12): 973-6
To review the midterm results of tubularized incised plate (TIP) urethroplasty (Snodgrass method) in reoperative patients with distal or midpenile hypospadias. The results of TIP urethroplasty in 37 patients who had previously failed hypospadias repair were reviewed. Of the patients, 21 (56.8%) had coronal, 11 (29.7%) had subcoronal, and 5 (13.5%) had midpenile hypospadias. The mean age was 4.1 (2-16) years. Twenty-three patients had one operation and 14 patients had two operations previously. Of all the patients, 14 did not have a foreskin because of circumcision. The urethral plate had been disturbed in 6 patients, but there was not apparent scarring of the plate. Postoperative follow-up was 2.3 years with a range of 1.1-3.9 years. Genital examination, urethral calibration, and uroflowmetry were performed in control. Satisfaction of the families about the function and appearance of penis was also evaluated. Successful functional and cosmetic results were achieved in 29 patients (78.4%). All the families were happy with penile aesthetic appearance. The urethral plate seemed healthy at the operation in nine patients who had undergone TIP urethroplasty before and the outcomes were successful in eight of them. The operation was successful in 19/23 (82.6%) patients who had undergone one operation before and in 10/14 (71.4%) patients with two operations as well (P < 0.05). In addition, sufficient outcomes were obtained in also 11 of the 14 patients with circumcision. The success rate was higher in patients <5 years (P < 0.05). The rate was also higher during the recent period (2001-2003) since the experience we had increased (P < 0.05). TIP urethroplasty was unsatisfied in four of the six patients who had had disturbed urethral plate before and in five of eight patients who did not have sufficient amount of dartos tissue for flap to cover neourethra. Complication was observed in eight patients (21.6%): four had a pinpoint fistula, two had wound dehiscence, one had meatal stenosis, and one had mild meatal regression and a short neourethral stricture. All of these complications were repaired successfully at a later date. The mean hospital stay was 4.6 days. TIP urethroplasty provides good functional and cosmetic midterm outcomes in most of the reoperative patients with distal or midpenile hypospadias unless contraindicated by previous resection or gross scarring of the urethral plate. This procedure seems not to disturb the urethral plate and, therefore, it can be applied on reoperative patients who had undergone TIP urethroplasty before. It can also be used in a circumcised patient when there is a lack of foreskin.

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