Efficacy of supplemental peripheral nerve blockade for hip fracture surgery: multiple treatment comparison Efficacited'un bloc nerveux peripherique supplementaire pour les chirurgies de fracture de la hanche: Comparaison de plusieurs traitements

Purpose This study was designed to determine the most effective peripheral nerve block supplement to standard anesthesia management for hip fracture patients. Methods We systematically reviewed randomized controlled trials (RCTs) published from 1990 to 2010 and conducted multiple treatment comparisons using direct and indirect evidence for two outcomes, i.e., acute pain intensity and delirium. We combined trials by type of injection (regardless of time of insertion during the perioperative