The Efficacy of Transversus Abdominis Plane Blocks in Roux-en-Y Gastric Bypass – a Systematic Review and Meta-Analysis of Randomised Control Trials

Abstract Background Transversus abdominis plane (TAP) block is commonly used as an element of multimodal analgesia following abdominal surgery; however, its efficacy in Roux-en-Y gastric bypass (RYGB) remains uncertain. Aim To perform a systematic review and meta-analysis of randomised clinical trials (RCTs) to evaluate the effectiveness of TAP block following RYGB. Methods A comprehensive search was performed as per PRISMA guidelines. RCTs comparing TAP block with control in adult patients unde