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Paperdoi:10.1088/1742-6596/178/1/012021

An oesophageal pulse oximetry system utilising a fibre-optic probe

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Authors: J P Phillips, R M Langford, S H Chang, K Maney, P A Kyriacou, D P Jones

Journal of Physics: Conference Series

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TL;DR

A dual-wavelength fibre-optic pulse oximetry system is described for the purposes of estimating oxygen saturation (SpO2) from the oesophagus. A probe containing miniature right-angled glass prisms was used to record photoplethysmographic (PPG) signals from the oesophageal wall. Signals were recorded successfully in 19 of 20 patients, demonstrating that PPG signals could be reliably obtained from an internal vascularised tissue site such as the oesophageal epithelium.

Abstract

A dual-wavelength fibre-optic pulse oximetry system is described for the purposes of estimating oxygen saturation (SpO2) from the oesophagus. A probe containing miniature right-angled glass prisms was used to record photoplethysmographic (PPG) signals from the oesophageal wall. Signals were recorded successfully in 19 of 20 patients, demonstrating that PPG signals could be reliably obtained from an internal vascularised tissue site such as the oesophageal epithelium. The value of the mean oxygen saturation recorded from the oesophagus was 94.0 ± 4.0%. These results demonstrate that SpO2 may be estimated in the oesophagus using a fibre-optic probe.

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Tasks & signals

Tasks

SpO₂

Signals

PPG

Keywords

Kyriacou BibliographyPulse Oximetry Oxygenation

How it works

How Method works: Setup → Method → TargetSetup: Signals (PPG). Method: Method. Target: SpO₂.SetupSignals: PPGSignalsPPGMethodMethodTargetSpO₂O₂SpO₂

Cite this paper

Cite this paper with the fields recorded here. Check it against the publisher before submitting.

Phillips, J. P., Langford, R. M., Chang, S. H., Maney, K., Kyriacou, P. A., & Jones, D. P. (2009). An oesophageal pulse oximetry system utilising a fibre-optic probe. Journal of Physics: Conference Series. https://doi.org/10.1088/1742-6596/178/1/012021
Phillips, J P, R M Langford, S H Chang, K Maney, P A Kyriacou, and D P Jones. 2009. "An oesophageal pulse oximetry system utilising a fibre-optic probe." Journal of Physics: Conference Series. https://doi.org/10.1088/1742-6596/178/1/012021.
Phillips, J. P., Langford, R. M., Chang, S. H., Maney, K., Kyriacou, P. A. and Jones, D. P. (2009) 'An oesophageal pulse oximetry system utilising a fibre-optic probe', Journal of Physics: Conference Series. doi: 10.1088/1742-6596/178/1/012021.
Phillips, J P, et al. "An oesophageal pulse oximetry system utilising a fibre-optic probe." Journal of Physics: Conference Series, 2009. https://doi.org/10.1088/1742-6596/178/1/012021.
J. P. Phillips, R. M. Langford, S. H. Chang, K. Maney, P. A. Kyriacou, and D. P. Jones, "An oesophageal pulse oximetry system utilising a fibre-optic probe," Journal of Physics: Conference Series, 2009, doi: 10.1088/1742-6596/178/1/012021.
@inproceedings{phillips2009oesophageal,
  title         = {{An oesophageal pulse oximetry system utilising a fibre-optic probe}},
  author        = {Phillips, J. P. and Langford, R. M. and Chang, S. H. and Maney, K. and Kyriacou, P. A. and Jones, D. P.},
  year          = {2009},
  booktitle     = {Journal of Physics: Conference Series},
  doi           = {10.1088/1742-6596/178/1/012021}
}

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