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KMID : 1144520180300020133
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Knee Surgery & Related Research
2018 Volume.30 No. 2 p.133 ~ p.141
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Does Adductor Canal Block Have a Synergistic Effect with Local Infiltration Analgesia for Enhancing Ambulation and Improving Analgesia after Total Knee Arthroplasty?
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Kampitak Wirinaree
Tanavalee Aree
Ngarmukos Srihatach
Amarase Chavarin
Apihansakorn Rawiwan
Vorapalux Pannika
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Abstract
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Purpose: We compared a single-injection adductor canal block (ACB) with or without local infiltration analgesia (LIA) for accelerating functional recovery and reducing postoperative pain after total knee arthroplasty (TKA).
Materials and Methods: Sixty-two patients undergoing TKA with simple spinal analgesia and ACB were randomized to receive either LIA (group A+L) or placebo LIA (group A). Postoperative visual analog scale (VAS) score for pain, Timed Up and Go (TUG) test and quadriceps strength, total dosage of rescue analgesia, time to first rescue analgesia, and adverse events were serially evaluated from postoperative day 1 to 3 months.
Results: There were no differences between both groups in pre- and postoperative VAS, TUG test, quadriceps strength 2 days, 3 days, 2 weeks, 6 weeks, and 3 months postoperatively. There were no differences in Knee Society clinical and function scores at 6 months and 1 year. However, group A+L had a significantly longer time for postoperative rescue analgesia (491 minutes vs. 143 minutes, p=0.04) with less patients requiring rescue analgesia during 6 hours after surgery (16.7% vs. 43.3%, p=0.024). Both groups had similarly high rates of patient satisfaction with low adverse event rates.
Conclusions: Combined ACB and LIA in TKA enhanced early ambulation with reduced and delayed rescue analgesia.
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KEYWORD
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Knee, Arthroplasty, Adductor canal block, Local analgesia, Pain, Ambulation
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