McMaster University

McMaster University

Continuous Infusion of Bupivacaine following Total Knee Arthroplasty

MacOrtho is pleased to share with you the most recent publication titled "Continuous infusion of bupivacaine following total knee arthroplasty: a randomized control trial pilot study" published in The Journal of Arthroplasty.

Find the abstract below and click here to access the full-version of the article.

Williams D, Petruccelli D, Paul J, Piccirillo L, Winemaker M, de Beer J. Continuous infusion of bupivacaine following total knee arthroplasty: a randomized control trial pilot study. J Arthroplasty. 2013 Mar;28(3):479-84.

Abstract

An RCT pilot-study was conducted to assess efficacy of a 48-h continuous local infiltration of intra-articular bupivacaine (0.5% at 2 cc/h) versus placebo (0.5% saline at 2 cc/h) in decreasing PCA morphine consumption following TKA. Secondary outcomes included 48-h VAS pain, opioid side effects, length of stay, and knee function scores up to 1-year postoperatively. Of 67 randomized patients, 49 completed the trial including 24 bupivacaine, and 25 placebo patients. Mean 48-h PCA morphine consumption did not differ significantly between treatment (39 mg ± 27.1) and placebo groups (53 mg ± 30.4) (P = .137). The intervention did not improve pain scores, or any other outcome studied. Given study results we would conclude that analgesia outcomes with a multimodal analgesia regimen are not significantly improved by adding 48 h of 0.5% bupivacaine infiltration at 2 cc/h.

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