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Reduced hospital stay, morphine consumption, and pain intensity with local infiltration analgesia after unicompartmental knee arthroplasty
(Landstinget i Östergötland)
Örebro University Hospital.
Örebro University Hospital.
Örebro University Hospital.
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2009 (Engelska)Ingår i: ACTA ORTHOPAEDICA, ISSN 1745-3674 , Vol. 80, nr 2, s. 213-219Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background and purpose The degree of postoperative pain is usually moderate to severe following knee arthroplasty. We investigated the efficacy of local administration of analgesics into the operating area, both intraoperatively and postoperatively. Methods 40 patients undergoing unicompartmental knee arthroplasty (UKA) were randomized into 2 groups in a double-blind study (ClinicalTrials.gov identifier: NCT00653926). In group A (active), 200 mg ropivacaine, 30 mg ketorolac, and 0.5 mg epinephrine (total volume 106 mL) were infiltrated intraoperatively into the soft tissue, while in group P (placebo), no injections were given. 21 hours postoperatively, 150 mg ropivacain, 30 mg ketorolac, and 0.1 mg epinephrine were injected intraarticularly via a catheter in group A, whereas patients in group P were injected with the same volume of saline (22 mL). Results Median hospital stay was shorter in group A than in group P: 1 (1-6) days as opposed to 3 (1-6) days (p 0.001). Postoperative pain in group A was statistically significantly lower at rest after 6 h and 27 h and on movement after 6, 12, 22, and 27 h. Morphine consumption was statistically significantly lower in group A for the first 48 h, resulting in a lower frequency of nausea, pruritus, and sedation. Postoperatively, there were improved functional scores (Oxford knee score and EQ-5D) in both groups relative to the corresponding preoperative values. Interpretation Local injection of analgesics periarticularly at the end of the operation and intraarticularly at 21 h postoperatively provided excellent pain relief and earlier home discharge following UKA. There was a high degree of patient satisfaction in both groups after 6 months.

Ort, förlag, år, upplaga, sidor
2009. Vol. 80, nr 2, s. 213-219
Nationell ämneskategori
Medicin och hälsovetenskap
Identifikatorer
URN: urn:nbn:se:liu:diva-18292DOI: 10.3109/17453670902930008OAI: oai:DiVA.org:liu-18292DiVA, id: diva2:217867
Tillgänglig från: 2009-05-17 Skapad: 2009-05-15 Senast uppdaterad: 2009-05-17

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