Abstract
BackgroundHypospadias is a common congenital malformation in pediatric urology with surgery being the only curative treatment. Although there are hundreds of surgical methods for hypospadias, no single method can treat all types, and there are still high rates of postoperative complications. We performed this study to investigate surgical procedure selection and perform risk factor analysis of postoperative complications in hypospadias repair.MethodsRetrospective analysis was performed of complete clinical and follow-up data of children with hypospadias who were treated and followed up at 15 children’s clinical centers in Mainland China from December 2018 to December 2019. Children were divided into groups according to Barcat classification and surgical methods in order to analyze the surgical choice for different types of hypospadias and the influencing factors of different surgical methods for complications.ResultsIn total, 1011 patients were followed up for 26 months. According to Barcat classification, there were 248 cases of distal type hypospadias, 214 of intermediate, and 549 of proximal type. Transverse preputial island flap urethroplasty (Duckett) and tubularized incised plate urethroplasty (TIP) were performed in 375 (37.1%) and 336 cases (33.2%), respectively. The postoperative complication rate of distal hypospadias was 23.4% (15.8–57.1%), mid shaft 29.0% (22.7–40.0%), and proximal 43.7% (30.2–52.9%). Among the 375 patients in Duckett group, 192 had complications. Multivariate logistic analysis showed that the length of prepuce island flap (OR = 3.506, 95% CI: 2.258–5.442) was an independent risk factor for complications after Duckett operation (P < 0.001). In TIP group, there were 336 cases with 84 complications. Multivariate logistic analysis showed that the width of urethral plate after longitudinal resection (OR = 0.836, 95% CI: 0.742–0.942) and glans width (OR = 0.851, 95% CI: 0.749–0.965) were independent risk factors for postoperative complications after TIP (P = 0.003, P = 0.012).ConclusionSeveral anatomical features play a role during the selection process among the different surgical approaches, including glans size, urethral plate width, and the meatal position. The width of the urethral plate and glans width were risk factors for postoperative complications after TIP. The length of prepuce island flap was a risk factor for complications after Duckett operation.
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