British journal of anaesthesia
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In nine patients, with preoperative ICP monitoring, anaesthesia was induced with thiopentone 5 mg kg-1 given over 1 min, followed by pancuronium 0.1 mg kg-1. After manual hyperventilation with nitrous oxide and oxygen for 3 min they were given thiopentone 2.5 mg kg-1 over 30 s (phase 1); 30 s later laryngoscopy was performed and topical analgesia administered to the larynx. Endotracheal intubation was performed 1 min after spraying the cords (phase 2). ⋯ Although there was a significant decrease (P less than 0.05) in MAP at the end of the second dose of thiopentone, there were no other significant changes in ICP, MAP or PaCO2 throughout the study. In two patients there were transient decreases in cerebral perfusion pressure to less than 60 mm Hg. Although MAP increased in five of the patients during laryngoscopy and intubation, there was no increase in ICP, showing that the MAP was still within the autoregulatory limits.
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Case Reports
Spinal anaesthesia for caesarean section. Management of a parturient with severe cardiovascular disease.
A parturient with severe mitral valve disease and pulmonary oedema was admitted to the labour ward. Fetal distress was also present. An emergency Caesarean section was undertaken under spinal blockade. The reasons for the choice of this technique are discussed.