British journal of anaesthesia
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We describe a case in which regional anaesthesia for Caesarean section was initially avoided because of the presence of systemic infection. However, attempted induction of general anaesthesia resulted in failed tracheal intubation and so an epidural catheter was sited and used for the operation. Awake fibreoptic tracheal intubation was performed after surgery, when it was clear that ventilatory support on the intensive care unit would be needed. The relative risks of regional versus general anaesthesia when infection and difficult laryngoscopy coincide are discussed.
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Exhaled nitric oxide (NO) concentrations have been suggested as a marker of disease onset and severity in a number of inflammatory conditions such as acute asthma. Known markers of the onset of acute lung injury require invasive tests and laboratory based analysis and have limited clinical applicability. We performed a study of the use of exhaled NO as a marker of developing acute lung injury during and after coronary artery bypass grafting in patients requiring cardiopulmonary bypass. ⋯ Further work is required to test whether exhaled NO concentration may be useful in diagnosing the onset of acute lung injury in patients undergoing coronary artery bypass grafting.