British journal of anaesthesia
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The perioperative course of three patients with obstructive sleep apnoea who underwent tracheotomy is presented as illustrative of the potentially life-threatening complications of management. It is concluded that this disease demands strict adherence to basic principles of airway management and close observation extending into the period after operation.
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Randomized Controlled Trial Comparative Study Clinical Trial
Comparison of i.m. lysine acetylsalicylate and oxycodone in the treatment of pain after operation.
Lysine acetylsalicylate (LAS) is a soluble salt of acetylsalicylic acid and can be given parenterally. LAS 12.5 mg kg-1 and 25 mg kg-1 were compared with oxycodone 0.15 mg kg-1 in the treatment of pain after operation in 60 patients undergoing varicose vein surgery. ⋯ No significant differences were found between the smaller and larger doses of LAS, suggesting a plateau effect. Further clinical experiments with LAS using i.v. mode of administration and other pain models are warranted.
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Randomized Controlled Trial Comparative Study Clinical Trial
Effect of baricity on spinal anaesthesia with amethocaine.
Amethocaine 1% solution was mixed with equal volumes of water, 0.9% saline or 10% dextrose to prepare respectively, hypobaric, isobaric and hyperbaric solutions which were compared for intradural spinal anaesthesia in 60 patients. Thirty patients received 10 mg and 30 patients received 15 mg of amethocaine. Injections were made with the patients in the lateral recumbent position and the operating table was horizontal during and after injection. ⋯ The mean spread of analgesia after the hyperbaric solution was five dermatomes greater than after the other two solutions, but the extent of analgesia was not significantly different whether amethocaine 10 mg or 15 mg was injected. The mean duration of analgesia after the hyperbaric solution was 285 min compared with 332 min and 360 min after the isobaric and hypobaric solutions respectively. The mean duration of analgesia after amethocaine 15 mg was significantly greater than after 10 mg.