Lower pain with FN Block + SN Block versus FN Block + LIA following TKA .
Femoral nerve block-sciatic nerve block vs. femoral nerve block-local infiltration analgesia for total knee arthroplasty: a randomized controlled trial
BMC Anesthesiol. 2015 Dec 15;15:18234 patients scheduled for total knee arthroplasty and receiving continuous femoral nerve block were randomized to be administered a sciatic nerve block (SNB) or local infiltration analgesia (LIA) as part of the postoperative analgesia protocol. The purpose of this study was to evaluate whether there were any significant differences in analgesic efficacy between the two protocols, as assessed by Numeric Rating Scale (NRS) pain scores over the first 24 hours postoperatively. Results demonstrated significantly lower pain scores at 3, 6, and 12 hours postoperatively in the SNB group compared to the LIA group, though the difference in pain score at 24 hours was not statistically significant.
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