A recent RCT studied the effectiveness of ultrasound guided QL blocks versus epidural block for abdominal surgery in the pediatric population, and found that QL blocks were equally effective in providing analgesia when looking at opioid consumption and pain scores.

Follow the link to read the full study: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11107015/pdf/12871_2024_Article_2548.pdf