Hypospadias refers to a disease represented by a congenital defect in the urethra meatus (urinary opening) in male children. Due to the postoperative pain, symptoms such as discomfort, agitation, and restlessness are generally found. In particular, young children with restlessness often express their pain or discomfort with their bodies because they are unable to express it in words. This severe restlessness may make an operated region unstable, accompanying bleeding, infection, or other surgery-related complications. Because postoperative pain control is very important, neuraxial block techniques such as epidural block or caudal block have been employed in addition to a penile dorsal nerve block. Although the neuraxial block technique including the caudal block is an easy and safe method and has an excellent effect, the neuraxial block technique poses a potential risk in the procedure. In addition, with respect to the surgical prognosis, it has been reported that penile engorgement may cause penile vasodilation, resulting in oozing at the surgical region or other surgical complications. However, there has not been a report on the increase of postoperative complications by penile vasodilation or on the difference in the recovery or surgical prognosis according to the types of pain control for young patients.

Inclusion Criteria:

• Pediatric patients who underwent the tubularized incised plate (TIP) repair under hypospadias at our institution between January, 2010 and December, 2014

Exclusion Criteria:

• Patients whose medical records could not be analyzed for having undergone the first hypospadias surgery at another institution. Other exclusion criteria were as follows: over the age of 8 years, planned two-stage hypospadias repair, receiving continuous epidural analgesia, and without hypospadias as the final diagnosis.

Pediatric patients who underwent the first hypospadias surgery at our institution between January, 2010 and December, 2014 (for 5 years).