Key result
Arterial flow waveforms derived from fingertip pulse oximetry closely match radial artery Doppler measurements.
Why the study?
The accuracy of arterial flow waveforms derived from pulse oximeter waveforms compared with measured Doppler flow waveforms was unclear.
Are derived arterial flow waveforms from pulse oximetry similar to measured Doppler flow waveforms in volunteers?
Population
Volunteers
Comparison
Derived arterial flow waveforms from pulse oximeter vs radial artery Doppler flow waveforms
Design
Cross-sectional study
Authors
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May support non-invasive waveform monitoring; leaves open validation in patients before clinical use.
Cross-Sectional
Are derived arterial flow waveforms from pulse oximetry similar to measured Doppler flow waveforms in volunteers?
Arterial flow waveforms derived from pulse oximetry closely resemble those measured by Doppler ultrasound, suggesting a potential non-invasive alternative for flow assessment.
Wisely et al. (2001) reported a cross-sectional. Derived arterial flow waveforms from pulse oximetry vs. Measured Doppler flow waveforms was evaluated on Waveform similarity. Derived arterial flow waveforms extracted from fingertip pulse oximetry were very similar to simultaneously measured radial artery Doppler flow waveforms.
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