Is Ultrasound-Guided Single-Shot Quadratus Lumborum Block a Viable Alternative to a Caudal Block in Pediatric Urological Surgery?

Comparative study of ultrasound-guided quadratus lumborum block versus caudal block for postoperative pain control in pediatric urological procedures. While QLB required longer induction time and more rescue analgesia, it achieved similar pain scores and patient satisfaction, suggesting it may be a viable alternative to traditional caudal blockade.