Improving pulse oximeter accuracy for patients with darker skin tones
Official title: Mitigating errors in pulse oximeter-derived estimates of oxygenation and perfusion caused by skin pigmentation with a shortwave infrared pulse oximeter
Funded at Washington University · NIH-11021014 · Data updated 2026-11-12
This study is looking at how well pulse oximeters, which check your blood oxygen levels, work for people with darker skin tones, and it aims to create a new device that gives more accurate readings to help doctors take better care of critically ill patients.
Quick facts
| Grant type | R21 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | Washington University NIH-funded |
| Lab location | 1 site (Saint Louis, United States) |
| Project start | March 1, 2024 |
| Project end | February 28, 2026 |
| Funding year | 2025 |
| Award (this year) | $174,938 |
| NIH project number | 5R21EB035823-02 |
| Project ID | NIH-11021014 on NIH RePORTER |
Who could benefit from this research
✓Could help
Ideal candidates for this research include critically ill patients who have darker skin pigmentation and require accurate monitoring of their oxygen levels.
✕Less likely to help
Patients with lighter skin pigmentation may not receive direct benefits from this research as the focus is on addressing disparities in pulse oximeter accuracy.
What this research studies
This research investigates how pulse oximeters, which are commonly used to measure blood oxygen levels, may inaccurately estimate oxygenation in patients with pigmented skin. The study aims to develop a new shortwave infrared pulse oximeter that minimizes errors caused by skin pigmentation, ensuring more accurate readings for critically ill patients. By analyzing the absorption of light in different skin types, the researchers hope to enhance the reliability of these devices in clinical settings. This could lead to better management of respiratory support for patients who are often misdiagnosed due to inaccurate readings.
Why it matters
Potential benefit: If successful, this research could lead to more accurate oxygenation assessments for patients with darker skin tones, improving their treatment outcomes.
How similar studies have gone: Previous studies have highlighted the inaccuracies of pulse oximeters in diverse populations, indicating that this research addresses a known issue rather than exploring an entirely novel approach.
Where this research is happening
-
Washington University
Saint Louis, United States Active
Researchers
- Principal investigator: O'brien, Christine M — Washington University
- Study coordinator: O'brien, Christine M
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About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page.