Peri- and intraarticular analgesia (PIA) superior to other procedures in TKA – review of literature and results of own RCT

Background:TKA is a worldwide established surgery with periarticular infiltrations being scientifically funded is the superiority of in the perioperative setup of TKA nowadays. However, nerve blocks are still widely used as perioperative standard meaning possible analgesia beyond surger, but simultaneously with sensomotoric deficiency and resulting risk of fall as well as increased pain after removal of nerval catheters. Also a standard procedure is intubation which means immediate pain after awakening of patients with resulting need for sufficient oral, intravenous, intramuscular or subcutaneous analgesia. We present an actual review of the literature and an own RCT comparing infiltrations with nerve blocks, which to our best knowledge presents the first RCT combined with an additional continous part.Methods:Literature review (PubMed)Own RCT: 50 TKA were randomized and prospectively included. 25 patients received nerve blocks with a single ischiadicus block and a femoralis block with additional perineura...