British journal of anaesthesia
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Randomized Controlled Trial Clinical Trial
Does the addition of morphine to brachial plexus block improve analgesia after shoulder surgery?
We have studied 40 patients undergoing elective shoulder surgery for chronically painful conditions. Patients were allocated randomly to two groups and received interscalene brachial plexus block with 0.5% bupivacaine and adrenaline 1/200,000 40 ml either alone or with the addition of morphine 5 mg. ⋯ The quality of the block, analgesic requirements and any complications or side effects were noted in the intraoperative period and during the 48 h after operation. No significant difference was seen in quality of analgesia or patient satisfaction between the two groups.
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Randomized Controlled Trial Comparative Study Clinical Trial
Spinal anaesthesia for transurethral surgery: comparison of 2% lignocaine with hyperbaric 0.5% bupivacaine.
We have compared 2% lignocaine 3.5 ml with 0.5% hyperbaric bupivacaine 3 ml in a randomized, double-blind study in 30 patients undergoing subarachnoid anaesthesia for transurethral surgery. A sensory level of T10 was produced more quickly (P = 0.0001) and maximum height reached sooner (P = 0.0002) with lignocaine, although there was a greater reduction in systolic arterial pressure (P = 0.03) and a trend towards slower heart rates (P = 0.056). Return of full sensory and motor function occurred earlier with lignocaine (P = 0.00005 and P = 0.02).