Peri- and intra-articular anaesthetics after TKA improve postoperative analgesia .
Comparison of peri- and intraarticular analgesia with femoral nerve block after total knee arthroplasty: A randomized clinical trial
Acta Orthop. 2007 Apr;78(2):172-9.80 patients requiring total knee arthroplasty (TKA) were randomized to receive one of two treatments for managing postoperative TKA pain. One group received a periarticular injection of analgesic followed by intra-articular bolus injections, and the other group underwent a continuous femoral nerve block (a standard treatment for postoperative pain at the institution of study) followed by an infusion of a local anaesthetic. Results showed that the group receiving a periarticular injection of analgesics followed by bolus injections had lower pain scores and better mobilization compared to the group receiving the continuous nerve block treatment.
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