Masui. The Japanese journal of anesthesiology
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Agitation during the emergence from general anesthesia is a great post-operative problem that often injures the patients themselves and requires the medical staff to restrain and calm the patients. The predisposing factors for emergence agitation include anesthesia, operation, and patient. Sevoflurane anesthesia results in higher incidence of emergence agitation than halothane, because of the rapid emergence, and its effects on central nervous system inducing convulsion and post-operative behavioral changes. ⋯ The change from sevoflurane to propofol during anesthesia maintenance is a contributing factor to reduce incidence of emergence agitation. The medications including opioids, midazolam, alpha-2 agonists, ketamine, non-steroidal anti-inflammatory drugs, nitrous oxide, and propofol, and aggressive nerve block such as caudal epidural block for post-operative sedation and analgesia are effective to avoid incidence of emergence agitation. The calm emergence following general anesthesia would decrease the self-injuring behavior, and enhance the parent and caregiver satisfaction in general anesthesia and surgery.
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Randomized Controlled Trial Comparative Study
[Comparison of intraoperative stress hormones release between propofol-remifentanil anesthesia and propofol with epidural anesthesia during gynecological surgery].
Remifentanil recently comes to be used for intraoperative analgesia instead of epidural anesthesia in gynecological surgery. It seems to offer the same stability in vital signs, but stress response during remifentanil anesthesia has not been evaluated. Therefore, we compared remifentanil anesthesia with epidural anesthesia regarding stress hormones. ⋯ The inhibition of stress hormone secretion during operation was less in R than E. Regarding stress response, total intravenous anesthesia with remifentanil seems to be a proper method, but to have less potency than general anesthesia using epidural block.
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We experienced an incident of the stricture caused by the degradation of an O-ring in the oxygen outlet of the central piping. The event was identified by the intermittent decrease of the central piping oxygen supply pressure into the anesthesia machine. ⋯ The cyclical rhythm of the declining oxygen supply pressure means that oxygen supplies decreases with the increase of oxygen consumption, and it may be a sign of serious malfunction. Therefore, it is necessary to check the pressure deviations under use of high-flow oxygen.
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As myasthenia gravis affects neuromuscular transmission, these patients show various responses to neuromuscular blocking drugs. We report a successful use of the sugammadex in a myasthenic patient to reverse rocuronium-induced neuromuscular block. ⋯ After spontaneous recovery of T1, we administered sugammadex 200mg intravenously, reversing neuromuscular blockade to a train-of-four ratio (T4/T1) of 100% within 30 sec. Sugammadex can be used to reverse rocuronium-induced neuromuscular blockade in patients with myasthenia gravis, thereby avoiding the need for reversal with acetylcholinesterase inhibitors.
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Case Reports
[Intubating laryngeal mask airway for fiberoptic bronchoscopy in a woman with right bronchial tumor].
A 37-year-old woman with bronchial tumor was scheduled for the removal of the mass with fiberoptic bronchoscope. Intubating laryngeal mask airway (ILMA) was used for fiberoptic surgery. ⋯ Intraoperative laryngospasm was treated with intravenous suxamethonium. The ILMA allowed removal of the bronchial tumor with fiberoptic bronchoscope.