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Pain control after total knee arthroplasty: a randomized trial comparing local infiltration anesthesia and continuous femoral block
Karolinska Inst, Solna, Sweden.
Karolinska Inst, Solna, Sweden.
Karolinska Univ Hosp, Solna, Sweden.
Örebro universitet, Institutionen för medicinska vetenskaper. Karolinska Inst, Solna, Sweden.
Vise andre og tillknytning
2011 (engelsk)Inngår i: Acta Orthopaedica, ISSN 1745-3674, E-ISSN 1745-3682, Vol. 82, nr 4, s. 441-447Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

BACKGROUND AND PURPOSE: Pain after total knee arthroplasty (TKA) is usually severe, and epidural analgesia or femoral nerve block has been considered to be an effective pain treatment. Recently, local infiltration analgesia (LIA) has become increasingly popular but the outcome of this method regarding the analgesic effect has not been fully evaluated. We compared local infiltration analgesia and femoral block with regard to analgesia and morphine demand during the first 24 h after TKA.

METHODS: 40 patients undergoing TKA under spinal anesthesia were randomized to receive femoral nerve block (group F) or peri- and intraarticular infiltration analgesia (group LIA) with a mixture containing ropivacaine, ketorolac, and epinephrine. All patients had access to intravenous patient-controlled analgesia (PCA) with morphine postoperatively. Pain intensity at rest and upon movement was assessed on a numeric rating scale (0-10) on an hourly basis over 24 h if the patients were awake.

RESULTS: The average pain at rest was marginally lower with LIA (1.6) than with femoral block (2.2). Total morphine consumption per kg was similar between the 2 groups. Ancillary analysis revealed that 1 of 20 patients in the LIA group reported a pain intensity of > 7 upon movement, as compared to 7 out of 19 in the femoral block group (p = 0.04).

INTERPRETATION: Both LIA and femoral block provide good analgesia after TKA. LIA may be considered to be superior to femoral block since it is cheaper and easier to perform.

sted, utgiver, år, opplag, sider
New York: Taylor & Francis, 2011. Vol. 82, nr 4, s. 441-447
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Identifikatorer
URN: urn:nbn:se:oru:diva-55784DOI: 10.3109/17453674.2011.581264ISI: 000294851100010PubMedID: 21561303Scopus ID: 000294851100010OAI: oai:DiVA.org:oru-55784DiVA, id: diva2:1074575
Forskningsfinansiär
Swedish Research Council
Merknad

Funding also from:Karolinska Institute Foundations

Tilgjengelig fra: 2017-02-15 Laget: 2017-02-15 Sist oppdatert: 2018-04-16bibliografisk kontrollert

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