Randomized Clinical Trial Comparing Laparoscopic Versus Ultrasound-Guided Transversus Abdominis Plane Block in Minimally Invasive Colorectal Surgery

BACKGROUND:Transversus abdominis plane block may improve analgesia after colorectal surgery; however, techniques remain unstandardized and results are conflicting.OBJECTIVE:The purpose of this study was to compare laparoscopic and ultrasound-guided transversus abdominis plane block with no block in