British Journal of Anaesthesia, Vol 82, Issue 4 521-524, Copyright © 1999 by The Board of Management and Trustees of the British Journal of Anaesthesia
S. A. Millar, R. P. Alston, M. J. Souter and PJD. Andrews
Fibreoptic jugular bulb oximetry has been validated for use in the care of
severely head-injured patients. We compared bench and fibreoptic methods of
measuring jugular bulb oxyhaemoglobin saturation (SjO2) in 33 patients
undergoing cardiac surgery both during cardiopulmonary bypass (CPB) and in
the early postoperative period. After insertion of a fibreoptic reflectance
oximetry catheter into the jugular bulb, it was calibrated against a bench
oximeter. Comparisons were made while on CPB (n = 60) and in the
postoperative period for up to 18 h (n = 215). There was negligible bias
throughout. There were wide limits of agreements (mean difference +/- 2SD)
between the two methods during operation (-20.29% to 18.05%), whereas after
operation the limits of agreement were far narrower (-6.39% and 7.45%).
Measurement of SjO2 by the fibreoptic method compared poorly with bench
oximetry during CPB but there was good agreement between the two methods in
the early postoperative period.
CLINICAL INVESTIGATIONS
Continuous monitoring of jugular bulb oxyhaemoglobin saturation using the Edslab dual lumen oximetry catheter during and after cardiac surgery
Department of Anaesthetics, University of Edinburgh, Royal Infirmary of Edinburgh, 1 Lauriston Place, Edinburgh EH3 9YW, UK; Department of Neuroanaesthesia, Institute of Neurological Sciences, Southern General Hospital, Glasgow, UK; Department of Anaesthesia, University of Edinburgh, Western General Hospital, Edinburgh EH4 2XU, UK
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