Addition of clonidine and fentanyl: comparison between three different regional anesthetic techniques in circumcision.

Background: Several techniques have been used for alleviating post-circumcision pain with regional anesthetics being more effective than systemic opioids. Our aim was to compare the effectiveness of dorsal penile block, ring block (RB) and dorsal penile block associated with RB in reducing post-circumcision pain in children.

Methods: We conducted a prospective randomized double-blind clinical trial on 100 boys aged between 1 month and 5 years undergoing elective circumcision.