期刊
BRITISH JOURNAL OF ANAESTHESIA
卷 106, 期 2, 页码 230-238出版社
OXFORD UNIV PRESS
DOI: 10.1093/bja/aeq333
关键词
arthroplasty, replacement; knee; glucocorticoids; methylprednisolone; pain, postoperative
资金
- Lundbeck Foundation, Hellerup, Denmark
Background. Total knee arthroplasty (TKA) is associated with severe pain and inflammation despite an extensive multimodal analgesic approach, but the effect of high-dose glucocorticoid administration has not been studied. Methods. Forty-eight patients undergoing unilateral TKA were included in a randomized, double-blind, placebo-controlled trial receiving preoperative methylprednisolone (MP) 125 mg i.v. or saline. All surgery was performed under lumbar spinal anaesthesia and patients received a standardized, multimodal analgesic regime. The primary endpoint was pain during walking 24 h after surgery, and secondary endpoints were pain at rest, pain upon hip flexion, and pain upon knee flexion. Pain assessments were performed repeatedly for the first 48 h after surgery, in a questionnaire from days 2 to 10, and at follow-up on days 21 and 30. Tertiary endpoints were postoperative nausea and vomiting (PONV), plasma C-reactive protein (CRP) concentrations, fatigue, sleep quality, and rescue analgesic and antiemetic requirements. Results. Pain during walking was significantly lower in the MP group up to 32 h after operation. Overall pain and cumulative pain scores (2-48 h) were lower for all pain assessments (P<0.04). Consumption of rescue oxycodone was lower from 0 to 24 h (P=0.02) and PONV, consumption of ondansetron reduced (P<0.05), and CRP concentrations were lower at 24 h (P<0.000001). Fatigue throughout the day of surgery was lower (P=0.02), but sleep quality was worse on the first night (P=0.002). No side-effects or complications were observed in other respects. Conclusions. MP 125 mg before surgery improves analgesia and immediate recovery after TKA, even when combined with a multimodal analgesic regime. These findings call for further studies on safety aspects. Registered with ClinicalTrails. gov under the US National Library of Medicine (registration number: NCT00968578).
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