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Anesth Analg 2008; 107:905-908
© 2008 International Anesthesia Research Society
doi: 10.1213/ane.0b013e31817e67d1
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TECHNOLOGY, COMPUTING, AND SIMULATION

A Pilot Study of Neonatal and Pediatric Esophageal Pulse Oximetry

Panayiotis A. Kyriacou, PhD*, Deric P. Jones, PhD*, Richard M. Langford, MBBS, FRCA{dagger}, and Andy J. Petros, MBBS, FFARCSI{ddagger}

From the *School of Engineering and Mathematical Sciences, City University, London, EC1V 0HB, UK; {dagger}St. Bartholomew's Hospital, Bart's and The London NHS Trust, London, EC1A 7BE, UK; and {ddagger}Paediatric and Neonatal Intensive Care Unit Great Ormond Street Hospital for Children Great Ormond Street London WC1N 3JH, UK.

Address correspondence and reprint requests to Dr Panayiotis A Kyriacou, School of Engineering and Mathematical Sciences, City University, London, EC1V 0HB, UK. Address e-mail to p.kyriacou{at}city.ac.uk.

BACKGROUND: In this pilot study we explored the suitability of the esophagus as a new measuring site for blood oxygen saturation (Spo2) in neonates.

METHODS: A new miniaturized esophageal pulse oximeter has been developed. Five patients (one child and four neonates) were studied.

RESULTS: Spo2 values were obtained in the esophagus of all patients. A Bland and Altman plot of the difference between Spo2 values from the esophageal pulse oximeter and a commercial toe pulse oximeter against their mean showed that the bias and the limits of agreement between the two pulse oximeters were +0.3% and +1.7% to –1.0%, respectively.

CONCLUSIONS: This study suggests that the esophagus can be used as an alternative site for monitoring blood oxygen saturation in children and neonates.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2008 by the International Anesthesia Research Society.