Patient-controlled analgesia with oxycodone in the treatment of postcraniotomy pain
Abstract
BACKGROUND: Moderate to severe pain occurs after craniotomy in 60% of patients. We evaluated the feasibility and safety of patient-controlled analgesia (PCA) with oxycodone in neurosurgical patients, and compared the efficacy of paracetamol with ketoprofen.
METHODS: In the study there were 45 patients, who received either paracetamol 1000 mg or ketoprofen 100 mg three times a day. Oxycodone-boluses 0.03 mg/kg were given by PCA-device maximally three times an hour, lock-out time 10 min. The amount of oxycodone used, pain scores and side-effects were recorded.
RESULTS: The ketoprofen group required less oxycodone than the paracetamol group (medians 37.1 mg vs 19.6 mg, P < 0.05). The VAS scores were comparable between the groups at the beginning of the study, during the first postoperative evening and the next morning, but the paracetamol group had a higher score at the conclusion of the study (P < 0.05). The patients in both groups were equally satisfied with the pain relief. There were no differences in side-effects between the groups.
CONCLUSIONS: PCA with oxycodone is a suitable method for pain control after craniotomy. No progressive hypoventilation, desaturation or excessive sedation were encountered. Ketoprofen appeared to be more effective than paracetamol.
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 45 participants or records.
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