British journal of anaesthesia
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Randomized Controlled Trial
Single-shot intraoperative local anaesthetic infiltration does not reduce morphine consumption after total hip arthroplasty: a double-blinded placebo-controlled randomized study.
The infiltration of local anaesthetic (LA), ketorolac, and epinephrine has been suggested to be effective for analgesia after total hip arthroplasty (THA). The part of action of each component of the mixture remains unclear. We investigated the contribution of infiltration of ropivacaine alone on the morphine consumption during the first 24 h after surgery. ⋯ Ropivacaine infiltration alone did not reduce morphine consumption at 24 h after operation nor did it improve postoperative rehabilitation.