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British Journal of Anaesthesia, 2004, Vol. 92, No. 4 597-598
© 2004 The Board of Management and Trustees of the British Journal of Anaesthesia

Correspondence

Should perioperative management target oxygen delivery?

P. Older1, A. Hall1, M. P. W. Grocott2, E. Chaloner2, M. G. Mythen2 and S. J. Mackenzie3

1 Victoria, Australia 2 London, UK 3 Edinburgh, UK

The first 10% of the full text of this article appears below.

Editor—As the authors of one of the papers quoted1 in the editorial by Mackenzie,2 we take the liberty of adding some comments that we believe are important.

The issue of ‘targeting oxygen delivery’ is poorly understood. The actual focus has now become delivering oxygen—without a specified purpose and unrelated to requirement. This is not a justifiable approach. One does not tune a car to obtain the highest use of petrol that is possible. An engine is tuned to obtain the best performance for the work required. In man, adequacy of postoperative oxygen delivery is shown by a stable oxygen extraction ratio (OER), stable lactate, adequate urine volume, and acceptable urinary sodium. Argument would be better centred on the optimal values for those variables, . . . [Full Text of this Article]


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