British journal of anaesthesia
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Randomized Controlled Trial Comparative Study Clinical Trial
The laryngeal tube compared with the laryngeal mask: insertion, gas leak pressure and gastric insufflation.
We have compared the laryngeal tube and laryngeal mask in 22 patients for the success rate of insertion, gas leak pressure and the incidence of gastric insufflation. ⋯ The laryngeal tube provides a better seal in the oropharynx than the laryngeal mask.
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There has been recent concern in the media over the possible detrimental effects of herbal medicines on the perioperative period. Perceived by the public as 'natural' and therefore safe, herbal remedies may have led to adverse events such as myocardial infarction, bleeding, prolonged or inadequate anaesthesia and rejection of transplanted organs. In addition, herbal remedies can interact with many drugs given in the perioperative period. In this article we summarize the potential perioperative complications that can occur. ⋯ Self-administration of herbal medicines is common in patients presenting for anaesthesia. Because of the potential for side-effects and drug interactions it is important for anaesthetists to be aware of their use.
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Randomized Controlled Trial Clinical Trial
Efficacy of intravenous magnesium in neuropathic pain.
Postherpetic neuralgia is a complication of acute herpes zoster characterized by severe pain and paraesthesia in the skin area affected by the initial infection. There is evidence that the N-methyl-D-aspartate receptor is involved in the development of hypersensitivity states and it is known that magnesium blocks the N-methyl-D-aspartate receptor. ⋯ The present study supports the concept that the N-methyl-D-aspartate receptor is involved in the control of postherpetic neuralgia.
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Randomized Controlled Trial Comparative Study Clinical Trial
Spinal anaesthesia: comparison of plain ropivacaine 5 mg ml(-1) with bupivacaine 5 mg ml(-1) for major orthopaedic surgery.
Ropivacaine provides effective spinal anaesthesia for total hip arthroplasty. This study was designed to compare the efficacy and safety of plain ropivacaine with plain bupivacaine for spinal anaesthesia in patients undergoing total hip arthroplasty. ⋯ Intrathecal administration of either 17.5 mg plain ropivacaine or 17.5 mg plain bupivacaine was well tolerated and an adequate block for total hip arthroplasty was achieved in all patients. A more rapid postoperative recovery of sensory and motor function was seen in Group R compared with Group B.