Effects of erector spinae plane block versus local infiltration analgesia for abdominal surgeries: a protocol for systematic review and meta-analysis.
Chen Feng, Yu Shoujia, Li Jing, +1 more·BMJ open
INTRODUCTION: Erector spinae plane (ESP) block and local infiltration analgesia (LIA) are widely used to control postoperative pain after abdominal surgery. An increasing number of randomised controlled trials (RCTs) have compared the analgesic effects of ESP block and LIA after abdominal surgery, but the results are i…