British journal of anaesthesia
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Br J Anaesth
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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.