Hypospadias is one of the most common congenital disorders of the urogenital system that is repaired by surgical method. Literature review shows that silicone gel is effective in preventing and improving hypertrophic scars after surgery. Thus, we conducted this study to evaluate the effect of silicone gel on scar reduction after surgical repair of hypospadias.
In this randomized double-blind clinical trial, 64 patients who had undergone surgical repair of hypospadias were divided into two groups: 32 patients in the intervention group (silicone gel) and 32 in the control group (placebo). Then, the patients in the silicone gel treatment group were treated twice per day for two months on the site of surgical wound, and the patients in the control group were treated with Vaseline twice per day for two months on the site of surgical wound, too. Scar characteristics (pigmentation, vascularity, pliability, and height) were recorded based on Vancouver's scars scale. Finally, the results of the two treatments on reduction of scars after surgical repair were compared between the two groups. Data were analyzed using SPSS-24.
There were significant differences between the two groups in scar characteristics after surgical repair of hypospadias, such as vascularity, pliability, and height (P˂0.05); however, there was no significant difference in pigmentation (P>0.05).
The results of this study showed that silicone gel had considerable effects on reduction of scars after surgical repair of hypospadias. However, further studies with larger sample size are recommended to confirm our conclusion.
Research and reports in urology. 2019 Nov 07*** epublish ***
Mehdi Shirazi, Ali Akbar Mohammadi, Iman Shamohammadi, Amirhassan Mahboubi, Alireza Makarem
Department of Urology, Shiraz University of Medical Science, Shiraz, Iran., Burn & Wound Healing Research Center, Division of Plastic & Reconstruction Surgery, Department of Surgery, Shiraz University of Medical Science, Shiraz, Iran., Resident of Urology, Shiraz University of Medical Science, Shiraz, Iran., Professor of Urology, Fellowship in Pediatric Urology, Department of Urology, Tehran Children's Hospital, Tehran, Iran.