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Paperdoi:10.1007/s10877-016-9959-9

Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry

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Authors: A. M. Belhaj, J. P. Phillips, P. A. Kyriacou, R. M. Langford

Journal of Clinical Monitoring and Computing

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CC BY 4.0
First page or project page of “Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry” (opens in a new tab)

A. M. Belhaj et al., "Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry", doi:10.1007/s10877-016-9959-9, CC BY 4.0

TL;DR

The estimation of venous oxygen saturations using photoplethysmography (PPG) may be useful as a noninvasive continuous method of detecting changes in regional oxygen supply and demand (e.g. in the splanchnic circulation). The aim of this research was to compare PPG-derived peripheral venous oxygen saturations directly with venous saturation measured from co-oximetry blood samples, to assess the feasibility of non-invasive local venous oxygen saturation.

Abstract

The estimation of venous oxygen saturations using photoplethysmography (PPG) may be useful as a noninvasive continuous method of detecting changes in regional oxygen supply and demand (e.g. in the splanchnic circulation). The aim of this research was to compare PPG-derived peripheral venous oxygen saturations directly with venous saturation measured from co-oximetry blood samples, to assess the feasibility of non-invasive local venous oxygen saturation. This paper comprises two similar studies: one in healthy spontaneously-breathing volunteers and one in mechanically ventilated anaesthetised patients. In both studies, PPG-derived estimates of peripheral venous oxygen saturations (SxvO2) were compared with co-oximetry samples (ScovO2) of venous blood from the dorsum of the hand. The results were analysed and correlation between the PPG-derived results and co-oximetry was tested for. In the volunteer subjects,moderate correlation (r = 0.81) was seen between SxvO2 values and co-oximetry derived venous saturations (ScovO2), with a mean (±SD) difference of +5.65 ± 14.3% observed between the two methods. In the anaesthetised patients SxvO2 values were only 3.81% lower than SpO2 and tended to underestimate venous saturation (mean difference = -2.67 ± 5.89%) while correlating weakly with ScovO2 (r = 0.10). The results suggest that significant refinement of the technique is needed to sufficiently improve accuracy to produce clinically meaningful measurement of peripheral venous oxygen saturation. In anaesthetised patients the use of the technique may be severely limited by cutaneous arteriovenous shunting.

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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

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Belhaj, A. M., Phillips, J. P., Kyriacou, P. A., & Langford, R. M. (2016). Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry. Journal of Clinical Monitoring and Computing. https://doi.org/10.1007/s10877-016-9959-9
Belhaj, A. M., J. P. Phillips, P. A. Kyriacou, and R. M. Langford. 2016. "Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry." Journal of Clinical Monitoring and Computing. https://doi.org/10.1007/s10877-016-9959-9.
Belhaj, A. M., Phillips, J. P., Kyriacou, P. A. and Langford, R. M. (2016) 'Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry', Journal of Clinical Monitoring and Computing. doi: 10.1007/s10877-016-9959-9.
Belhaj, A. M., et al. "Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry." Journal of Clinical Monitoring and Computing, 2016. https://doi.org/10.1007/s10877-016-9959-9.
A. M. Belhaj, J. P. Phillips, P. A. Kyriacou, and R. M. Langford, "Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry," Journal of Clinical Monitoring and Computing, 2016, doi: 10.1007/s10877-016-9959-9.
@article{belhaj2016comparison,
  title         = {{Comparison of non-invasive peripheral venous saturations with venous blood co-oximetry}},
  author        = {Belhaj, A. M. and Phillips, J. P. and Kyriacou, P. A. and Langford, R. M.},
  year          = {2016},
  journal       = {Journal of Clinical Monitoring and Computing},
  doi           = {10.1007/s10877-016-9959-9}
}

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