The present systematic review shows the weak evidence backing current management of primary severe hypospadias. We even lack a clear-cut definition of severe hypospadias and associated curvature. Hence, while we developed general recommendations for treatment based on our review of available evidence, we emphasize the need to establish shared criteria for accurate preoperative or introperative patient stratification, and to define objective outcome measures and followup intervals for data reporting to make comparison of surgical approaches reliable.
| Failed hypospadias refers to any hypospadias repair that leads to complications or causes patient dissatisfaction. The complication rate after hypospadias repairs ranges from 5-70%, but the actual incidence of failed hypospadias is unknown as complications can become apparent many years after surgery and series with lifelong follow-up data do not exist. Moreover, little is known about uncomplicated repairs that fail in terms of patient satisfaction. Risk factors for complications include factors related to the hypospadias (severity of the condition and characteristics of the urethral plate), the patient (age at surgery, endocrine environment, and wound healing impairment), the surgeon (technique selection and surgeon expertise), and the procedure (technical details and postoperative management). The most important factors for preventing complications are surgeon expertise (number of cases treated per year), interposition of a barrier layer between the urethroplasty and the skin, and postoperative urinary drainage. Major complications associated with failed hypospadias include residual curvature, healing complications (preputial dehiscence, glans dehiscence, fistula formation, and urethral breakdown), urethral obstruction (meatal stenosis, urethral stricture, and functional obstruction), urethral diverticula, hairy urethra, and penile skin deficiency.
Decisional regret is a problem in a significant proportion of parents electing distal hypospadias repair for their sons. In our experience family variables seemed to be predictors of decisional regret, while surgical variables did not. Predictors of decisional regret included worse parental perception of penile appearance and the presence of lower urinary tract symptoms. However, the latter could be unrelated to surgery. Irrespective of the duration of followup, decisional regret seems decreased in parents of older patients.
Our analysis of the literature showed that the LA technique presents several advantages compared with the OA technique. For this reason, if a child is hospitalized today for appendicitis treatment in a pediatric center where the laparoscopic approach is unavailable, he or she should be placed on antibiotics and transferred to a center that offers the laparoscopic approach.
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