Health
Studies have found that devices used to measure blood oxygen can provide misleading information to black patients.
Recent studies show that fingertip devices that measure a person’s blood oxygen saturation can give false measurements to blacks rather than whites.
Survey results were recorded on December 17th Report Published by The New England Journal of Medicine.
The team studied more than 10,000 pairs of measurements from adult inpatients receiving oxygen supplementation at the University of Michigan Hospital in Ann Arbor, and more than 37,000 pairs from patients in the intensive care units of nearly 200 other hospitals.
Readings from a device known as a pulse oximeter have been found to be inaccurate when compared to tests that sample blood from human arteries.
“In the University of Michigan cohort, among patients who showed 92-96% oxygen saturation on pulse oximetry, 88 out of 749 arterial blood gas measurements in black patients and less than 88% arterial oxygen in 99. Saturation was found. According to the report, out of 2,778 measurements in white patients.
The study states that the findings are alarming given how many people rely on devices to monitor blood oxygen levels during a coronavirus pandemic.
“Given the widespread use of pulse oximetry for medical decision-making, these findings have some major implications, especially during the current pandemic of coronavirus disease 2019,” he said. I am. “Our results show that black patients may be at increased risk of hypoxemia or hypoxemia by triaging patients and relying on pulse oximetry to regulate oxygenation levels. Suggests.
Dr. Michael Shoding, a pulmonologist and lead author of the study, said: National public radio He was first warned about the issue after his hospital at the University of Michigan began receiving an influx of patients, primarily Black Covid-19.
He said he found that the pulse oximeter results provided misleading information “more often in black patients.”
“Basically, about three times as often,” he said. “It’s not happening that often, but given how often these measurements are made, I’m worried that if there’s a 12% chance that it’s wrong, it could really affect it. “I will,” added Sjoding.
The pulse oximeter works by shining red light from your fingertips.
Doctors believe that human skin color may be the reason behind misleading information, as the color of light used in the device can be absorbed by skin pigments. NPR reported.
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