Figure 9From: Transversus abdominis-plane block versus local anesthetic wound infiltration in lower abdominal surgery: a systematic review and meta-analysis of randomized controlled trials Fixed-effects meta-analysis of rate of PONV 24Â h following surgery with TAP block and LAI. LAI, local anesthetic infiltration; PONV, postoperative nausea and vomiting; TAP: transversus abdominis plane.Back to article page