A review of the effect of skin pigmentation on pulse oximeter accuracy

Objective . Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO 2 ) in a variety of clinical settings and scenarios. Despite being one the most significant technological advances in health monitoring over the last few decades, there have been reports on...

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Published inPhysiological measurement Vol. 44; no. 5; pp. 5 - 26
Main Authors Al-Halawani, Raghda, Charlton, Peter H, Qassem, Meha, Kyriacou, Panayiotis A
Format Journal Article
LanguageEnglish
Published England IOP Publishing 01.05.2023
Subjects
accuracy
COVID-19
Humans
Oximetry - methods
Oxygen
Pandemics
photoplethysmography
pulse oximetry
Skin Pigmentation
Topical Review
COVID-19
pulse oximetry
accuracy
photoplethysmography
skin pigmentation
Online AccessGet full text
ISSN0967-3334
1361-6579
1361-6579
DOI10.1088/1361-6579/acd51a

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Abstract Objective . Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO 2 ) in a variety of clinical settings and scenarios. Despite being one the most significant technological advances in health monitoring over the last few decades, there have been reports on its various limitations. Recently due to the Covid-19 pandemic, questions about pulse oximeter technology and its accuracy when used in people with different skin pigmentation have resurfaced, and are to be addressed. Approach . This review presents an introduction to the technique of pulse oximetry including its basic principle of operation, technology, and limitations, with a more in depth focus on skin pigmentation. Relevant literature relating to the performance and accuracy of pulse oximeters in populations with different skin pigmentation are evaluated. Main Results . The majority of the evidence suggests that the accuracy of pulse oximetry differs in subjects of different skin pigmentations to a level that requires particular attention, with decreased accuracy in patients with dark skin. Significance . Some recommendations, both from the literature and contributions from the authors, suggest how future work could address these inaccuracies to potentially improve clinical outcomes. These include the objective quantification of skin pigmentation to replace currently used qualitative methods, and computational modelling for predicting calibration algorithms based on skin colour.
AbstractList Objective . Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO 2 ) in a variety of clinical settings and scenarios. Despite being one the most significant technological advances in health monitoring over the last few decades, there have been reports on its various limitations. Recently due to the Covid-19 pandemic, questions about pulse oximeter technology and its accuracy when used in people with different skin pigmentation have resurfaced, and are to be addressed. Approach . This review presents an introduction to the technique of pulse oximetry including its basic principle of operation, technology, and limitations, with a more in depth focus on skin pigmentation. Relevant literature relating to the performance and accuracy of pulse oximeters in populations with different skin pigmentation are evaluated. Main Results . The majority of the evidence suggests that the accuracy of pulse oximetry differs in subjects of different skin pigmentations to a level that requires particular attention, with decreased accuracy in patients with dark skin. Significance . Some recommendations, both from the literature and contributions from the authors, suggest how future work could address these inaccuracies to potentially improve clinical outcomes. These include the objective quantification of skin pigmentation to replace currently used qualitative methods, and computational modelling for predicting calibration algorithms based on skin colour.
Objective. Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO2) in a variety of clinical settings and scenarios. Despite being one the most significant technological advances in health monitoring over the last few decades, there have been reports on its various limitations. Recently due to the Covid-19 pandemic, questions about pulse oximeter technology and its accuracy when used in people with different skin pigmentation have resurfaced, and are to be addressed.Approach. This review presents an introduction to the technique of pulse oximetry including its basic principle of operation, technology, and limitations, with a more in depth focus on skin pigmentation. Relevant literature relating to the performance and accuracy of pulse oximeters in populations with different skin pigmentation are evaluated.Main Results. The majority of the evidence suggests that the accuracy of pulse oximetry differs in subjects of different skin pigmentations to a level that requires particular attention, with decreased accuracy in patients with dark skin.Significance. Some recommendations, both from the literature and contributions from the authors, suggest how future work could address these inaccuracies to potentially improve clinical outcomes. These include the objective quantification of skin pigmentation to replace currently used qualitative methods, and computational modelling for predicting calibration algorithms based on skin colour.Objective. Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO2) in a variety of clinical settings and scenarios. Despite being one the most significant technological advances in health monitoring over the last few decades, there have been reports on its various limitations. Recently due to the Covid-19 pandemic, questions about pulse oximeter technology and its accuracy when used in people with different skin pigmentation have resurfaced, and are to be addressed.Approach. This review presents an introduction to the technique of pulse oximetry including its basic principle of operation, technology, and limitations, with a more in depth focus on skin pigmentation. Relevant literature relating to the performance and accuracy of pulse oximeters in populations with different skin pigmentation are evaluated.Main Results. The majority of the evidence suggests that the accuracy of pulse oximetry differs in subjects of different skin pigmentations to a level that requires particular attention, with decreased accuracy in patients with dark skin.Significance. Some recommendations, both from the literature and contributions from the authors, suggest how future work could address these inaccuracies to potentially improve clinical outcomes. These include the objective quantification of skin pigmentation to replace currently used qualitative methods, and computational modelling for predicting calibration algorithms based on skin colour.
. Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO ) in a variety of clinical settings and scenarios. Despite being one the most significant technological advances in health monitoring over the last few decades, there have been reports on its various limitations. Recently due to the Covid-19 pandemic, questions about pulse oximeter technology and its accuracy when used in people with different skin pigmentation have resurfaced, and are to be addressed. . This review presents an introduction to the technique of pulse oximetry including its basic principle of operation, technology, and limitations, with a more in depth focus on skin pigmentation. Relevant literature relating to the performance and accuracy of pulse oximeters in populations with different skin pigmentation are evaluated. . The majority of the evidence suggests that the accuracy of pulse oximetry differs in subjects of different skin pigmentations to a level that requires particular attention, with decreased accuracy in patients with dark skin. . Some recommendations, both from the literature and contributions from the authors, suggest how future work could address these inaccuracies to potentially improve clinical outcomes. These include the objective quantification of skin pigmentation to replace currently used qualitative methods, and computational modelling for predicting calibration algorithms based on skin colour.
Author Kyriacou, Panayiotis A
Charlton, Peter H
Al-Halawani, Raghda
Qassem, Meha
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Issue 5
Keywords COVID-19
pulse oximetry
accuracy
photoplethysmography
skin pigmentation
Language English
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Snippet Objective . Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO 2 ) in a variety of clinical settings and...
. Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO ) in a variety of clinical settings and scenarios. Despite...
Objective. Pulse oximetry is a non-invasive optical technique used to measure arterial oxygen saturation (SpO2) in a variety of clinical settings and...
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StartPage 5
SubjectTerms accuracy
COVID-19
Humans
Oximetry - methods
Oxygen
Pandemics
photoplethysmography
pulse oximetry
Skin Pigmentation
Topical Review
Title A review of the effect of skin pigmentation on pulse oximeter accuracy
URI https://iopscience.iop.org/article/10.1088/1361-6579/acd51a
https://www.ncbi.nlm.nih.gov/pubmed/37172609
https://www.proquest.com/docview/2813563714
https://pubmed.ncbi.nlm.nih.gov/PMC10391744
Volume 44
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