Articles: general-anesthesia.
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A patient is described who has received nine anaesthetics, the last three since he was confirmed as susceptible to malignant hyperthermia. The ninth anaesthetic illustrates the prophylactic therapy and management in detail. Certain aspects of the problem are discussed.
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Complications associated with local infiltration of ornithine-8-vasopressin (O-8-V) during general anesthesia (GA) are documented. Severe and extremely severe complications range around 20%; fatalities have been reported. The incidence of complications is associated with age, pre-existing cardiovascular or pulmorespiratory disease, and dosage administered. ⋯ For data analysis, patients were allocated to 4 groups according to the dosage of O-8-V administered. Systolic and diastolic pressures increased to above control in all groups; however, no inter-group differences were found for blood pressure or heart rate. It is concluded that the risks associated with local infiltration of soft tissues with O-8-V during GA can be attenuated by a protocol such as the one established for this prospective study.(ABSTRACT TRUNCATED AT 250 WORDS)
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Case Reports
Atypical malignant hyperthermia with persistent hyperkalaemia during renal transplantation.
A 35-year-old 110 kg male developed marked hyperkalaemia, hyponatraemia, hypercapnia and hyperthermia during living-related renal transplantation under anaesthesia with oxygen-nitrous oxide, isoflurane and muscle relaxation with atracurium. This is the first report of successfully treated malignant hyperthermia triggered by isoflurane during renal transplantation with early appearance and persistent (to 12 hours after surgery) electrolyte abnormalities.