Anaesthesia
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Case Reports
Thyroid storm as a cause of loss of consciousness following anaesthesia for emergency caesarean section.
A previously undiagnosed thyrotoxic patient was anaesthetised for an emergency Caesarean section. The recovery period was complicated by an acute thyroid crisis resulting in loss of consciousness following an apparently normal recovery from general anaesthesia.
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The uptake rate of oxygen and nitrous oxide were studied during low flow anaesthesia with enflurane or isoflurane in nitrous oxide with either spontaneous or controlled ventilation. The excess gas flow and composition were analysed. The nitrous oxide uptake rate was in agreement with Severinghaus' formula VN20 1000.t-0.5. ⋯ The equation assumes constant inspired gas concentrations of 30% oxygen and 65-70% nitrous oxide. The oxygen uptake rates calculated from this formula were in good agreement with measured uptake rates. Thus, continuous monitoring of oxygen uptake rates is possible by using only reliable flowmeters and analysis of inspired oxygen concentration.
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We collected data on postoperative nausea and vomiting from 3850 patients aged 11-91 years. Thirty-seven percent of the 3244 patients who received a general anaesthetic reported nausea and 23.2% vomited. Twenty percent of the 606 patients who received a local anaesthetic reported nausea and 11.4% vomited. ⋯ Anxiety before general, but not local, anaesthesia was associated with postoperative nausea (p < 0.001) but not vomiting. Patients from the gynaecological, orthopaedic, ENT and general surgical wards had higher incidences of postoperative nausea and vomiting. Linear visual analogue pain scores were higher in patients with postoperative nausea and vomiting in both general and local anaesthesia groups (p < 0.001).
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Comment Letter Case Reports
Cardiorespiratory arrest and combined spinal/epidural anaesthesia for caesarean section.
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Letter Case Reports
Haemopneumothorax following bougie-assisted tracheal intubation.