Comparing caudal block and penile block using rectal acetaminophen in postoperative analgesia of hypospadias repair: A Randomized Clinical Trial Study

Background and Objective: selecting the analgesia method in pediatrics is of most importance.
In pediatrics required hypospadias repair, two methods of the caudal block and penile block are
used increasingly. This study aimed to compare two methods of the caudal block and penile
block using rectal acetaminophen in postoperative analgesia of hypospadias repair.
Methods: This clinical trial was conducted on 50 children who underwent hypospadias referred
to the educational hospital of Shahid Motahari in XXXX in west-north of Iran from July 1st,
2019 to March 1st, 2020. Patients were selected using a convenient sampling method and were
allocated in two groups of the caudal block and penile block using rectal acetaminophen by
random allocation software. To assess analgesia, the FLACC scale was used.
Results: Mean age of participants was 27 months, the mean weight of participants was 13
kilograms, and their mean height was 82 cm. Regarding assessment changes in pain severity, the
results showed in two groups that in group 1 (caudal block) in time intervals of recovery, 6
hours, 12 hours, and 24 hours after the surgery, pain severity was reached to 1.16 and in group 2
(penile block) was reached to 3.44. The results showed that in group 1 (caudal block) patients
suffer significantly less pain than patients in group 2 (penile block) (P=0.001).
Conclusions: According to results obtained from this study, hypospadias repair in pediatrics
using caudal block can provide longer analgesia for the patient.