Anterior Quadratus Lumborum Block for Postoperative Analgesia in Hip Surgery: A Systematic Review and Meta-Analysis of Randomized Controlled Trials with Trial Sequential Analysis.
Background Postoperative pain following hip surgery remains challenging to manage despite the use of multimodal analgesia. Anterior quadratus lumborum block (aQLB) has been proposed as an effective regional analgesic technique; however, its clinical efficacy remains uncertain. Aims To conduct a systematic review and...