Ultrasound-guided PNB and DPNB for Pediatric Distal Hypospadias Surgery

A 22 Gauge 50 mm insulated needle was then introduced in the anterior-posterior direction at the middle of the ultrasound probe's superior edge with an out-of-plane approach and using an inclination of 15° in the sagittal plane. The needle tip's position was identified by direct visualization using the movement of adjacent anatomical structures.

Half of the total 0.2 ml/kg dose of 0.25% bupivacaine was administered while observing its distribution with US. The same procedure was then repeated on the other side of the penis.