The Knee
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Randomized Controlled Trial Comparative Study
Comparison of peripheral nerve block with periarticular injection analgesia after total knee arthroplasty: a randomized, controlled study.
Pain after total knee arthroplasty (TKA) is usually severe. Recently, the usefulness of local periarticular injection analgesia (PAI) and peripheral nerve block (PNB) has been reported. We report a prospective blinded randomized trial of PAI versus PNB in patients undergoing primary TKA, in accordance with the CONSORT statement 2010. ⋯ Therapeutic Level 1.