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Pulse oximetry in sickle cell anemia
Abstract
Objectives To determine whether pulse oximetry is accurate and if it correlates with arterial blood gas saturation in pediatric patients with sickle cell anemia. Design Prospective, comparative study using a convenience sample of patients with sickle cell anemia who had simultaneous arterial blood gas sampling and pulse oximetry. Setting Children's Memorial Hospital, a large tertiary care pediatric hospital in Chicago, IL. Patients selected from the emergency department and the pediatric intensive care unit. Patients Twenty-four consecutive patients with sickle cell anemia who had simultaneous arterial blood gas sampling and pulse oximetry. Measurements and main results Twenty-four patients had a total of 70 simultaneous pulse oximeter and blood gas pair samples. Each patient's initial pulse oximeter/blood gas pair was used in the statistical analysis. Three patients had venous samples and were excluded from comparison, leaving 21 arterial blood gas/pulse oximeter pairs for analysis. The pulse oximeter correlated well with the cooximeter-measured arterial saturation (r(2) =.74). The pulse oximeter significantly underestimated saturation by a mean of -1.6% (95% confidence interval, -0.3 to -3; p =.03). Conclusions Pulse oximetry correlates well with cooximeter-measured saturation in patients with sickle cell anemia. Pulse oximetry significantly underestimates true arterial saturation, but the bias is clinically insignificant. Pulse oximetry can be used reliably to estimate the…
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Pulse oximetry should remain an important diagnostic tool in patients with anemia and sickle cell anemia.
“pulse oximetry should remain an important diagnostic tool in these patients”
From Investigating the accuracy of blood oxygen saturation measurements in common consumer smartwatches (2023) · cites this paper as [29]
In patients with anemia and sickle cell anemia, variability in the relationship between SpO2 and true arterial saturation measurements is not clinically significant.
“although there is some variability in the relationship between SpO2 and the true arterial saturation measurements, this was not a clinically significant difference”
From Investigating the accuracy of blood oxygen saturation measurements in common consumer smartwatches (2023) · cites this paper as [29]
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Investigating the accuracy of blood oxygen saturation measurements in common consumer smartwatches
Jiang, Y., Spies, C., Magin, J., Bhosai, S. J., Snyder, L., & Dunn, J. (2023) · PLOS Digital Health · doi:10.1371/journal.pdig.0000296 · Cited by 36
Metadata
- Authors
- Fitzgerald, R. K., & Johnson, A.
- Affiliations
- Northwestern University (US)
- ORCID
- Johnson, Alan
- Venue
- Critical Care Medicine
- Published
- 2001-09
- Volume
- 29
- Issue
- 9
- Pages
- 1803-1806
- ISSN
- 0090-3493 (ISSN-L)
- OpenAlex
- W2050770354
- Cited by
- 55
- References
- 0
- Citations by year
- 2026: 1 · 2025: 2 · 2024: 1 · 2023: 5 · 2020: 2 · 2019: 2 · 2017: 2 · 2015: 2 · 2014: 4 · 2013: 3 · 2012: 7
- FWCI
- 1.00
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Critical Care Medicine (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Health Sciences › Medicine › Genetics (clinical) › Hemoglobinopathies and Related Disorders
- Physical Sciences › Engineering › Biomedical Engineering › Non-Invasive Vital Sign Monitoring
- Health Sciences › Medicine › Surgery › Hemodynamic Monitoring and Therapy
- Keywords
- pulse oximetry, sickle cell disease, arterial oxygen saturation, arterial blood gases, pediatric patients, pediatric intensive care, emergency department
- MeSH terms
- Adolescent, Adult, Anemia, Sickle Cell, Blood Gas Analysis, Child, Child, Preschool, Female, Humans, Infant, Male, Oximetry, Prospective Studies
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