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Oximeters and Skin Pigment: Impact of Skin Pigmentation on Accuracy of Pulse Oximetry

Hypoxemia Clinical Trial

Official title:
Impact of Skin Pigmentation on Accuracy of Pulse Oximetry

Clinical Trial Summary

Finger pulse oximetry SpO2 is widely used to estimate arterial oxygen saturation SaO2. Current Spo2 targets do not take into consideration the many variables that affect that correlation in particular skin pigmentation. This study aims to evaluate different FDA approved pulse oximeters (Nonin co-pilot, massimo Radical 7, Philips-standard of care monitor, innovo premium iP900BP, nellcor PM1000N, Nano100) with SaO2 reference values obtained by an arterial blood gas in subjects with different skin pigments measured by a skin color scale as well as self-identification of race.

Clinical Trial Description

The oximeters that will be evaluated are nonin co-pilot, massimo Radical 7, Philips (standard care), Innovo Premium iP900BP, nellcor PM1000N and USA medical supply Nano100. The sensors used will be reusable digital sensors for all oximeters. Oximeters will have been placed on patients' fingers (3 fingers on each hand) during an initial phase of clinical stability. Due to the impact of the fingers used for SpO2 measurement and bias that might be caused by right hand versus left hand, oximeters will be randomized to different fingers and hands for each patient. Measurements will be made when the SpO2 with the usual oximeter is <97% as recommended and in the absence of changes of the respiratory parameters in the last 10 minutes. A set of measures that will include all the oximeters tested will be used. Once the oximeters are installed, at least 2 minutes will run out to let the oximeters reach steady state. Then when a standard of care blood gas is obtained, measurements will be taken simultaneously to the drawing of a standard care arterial blood gas by a clinician in the ICU. While the clinician takes the arterial blood gas, a picture will be simultaneously taken of the SpO2 readings shown by each oximeter, in addition to taking vital signs, O2 flow or FiO2. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05690269
Study type Observational
Source University of Cincinnati
Contact Dina Gomaa, MSc
Phone 5135586305
Email gomaada@ucmail.uc.edu
Status Recruiting
Phase
Start date February 27, 2023
Completion date December 1, 2024
View Details
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