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The Journal of arthroplasty v.33 no.1, 2018년, pp.90 - 96   SCIE
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Local Infiltration Analgesia With Liposomal Bupivacaine Improves Pain Scores and Reduces Opioid Use After Total Knee Arthroplasty: Results of a Randomized Controlled Trial

Mont, Michael A. (Department of Orthopaedic Surgery, Cleveland Clinic, Cleveland, Ohio ) ; Beaver, Walter B. (Department of Orthopaedic Surgery, OrthoCarolina Hip & Knee Center, Charlotte, North Carolina ) ; Dysart, Stanley H. (Department of Orthopaedic Surgery, Pinnacle Orthopedics, Marietta, Georgia ) ; Barrington, John W. (Department of Orthopaedic Surgery, Joint Replacement Center of Texas, Baylor Medical Center Frisco, Plano, Texas ) ; Del Gaizo, Daniel J. (Department of Orthopaedic Surgery, University of North Carolina Hospitals, Chapel Hill, North Carolina ) ;
  • 초록  

    Abstract Background Local infiltration analgesia (LIA) with liposomal bupivacaine (LB) in patients undergoing total knee arthroplasty (TKA) has yielded mixed results. The PILLAR study, which was designed to minimize limitations associated with previous studies, compared the effects of LIA with or without LB on pain scores, opioid consumption, including proportion of opioid-free patients, time to first opioid rescue, and safety after primary unilateral TKA. Methods Patients ( N = 140) were randomized to LIA with LB 266 mg/20 mL (admixed with bupivacaine HCl 0.5%, 20 mL) or LIA with bupivacaine HCl 0.5%, 20 mL. Standardized infiltration techniques and a standardized multimodal pain management protocol were used. The coprimary efficacy endpoints were area under the curve (AUC) of visual analog scale pain intensity scores 12-48 hours (AUC 12-48 ) postsurgery and total opioid consumption 0-48 hours postsurgery. Results Mean AUC 12-48 of visual analog scale pain intensity score was 180.8 with LB and 209.3 without LB (least squares [LS] mean treatment difference −26.88, P = .0381). LS mean total opioid consumption 0-48 hours postsurgery was 18.7 mg with and 84.9 mg without LB (LS ratio 0.220, P = .0048). Significant differences in favor of LB were observed for the percentage of opioid-free patients ( P P = .0230). Treatments were similarly well tolerated. Conclusion This study provides data on LIA with LB administered using optimal techniques specific to TKA. In this setting, LIA with LB significantly improved postsurgical pain, opioid consumption, and time to first opioid rescue, with more opioid-free patients and no unexpected safety concerns.


  • 주제어

    local infiltration analgesia .   liposomal bupivacaine .   multimodal analgesia .   opioids .   postsurgical pain .   total knee arthroplasty.  

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