Key result
Optical interferometry successfully detects major artery pulsation profiles, yielding pulse wave velocity and pressure data.
A prototype optical interferometer can measure arterial pulsatility and detect pulsation profiles of major arteries without touch.
Supports feasibility of touch-free arterial monitoring; leaves open prospective validation before clinical adoption.
Arterial pulsatility was measured using an optical interferometer. As opposed to laser Doppler flow meters, the prototype system we evaluated can detect pulsation profiles of major arteries with potentially useful information including pulse wave velocity, profile of pulse pressure, etc.
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Hong et al. (1994) studied this question. Optical interferometry successfully detected pulsation profiles of major arteries, providing potentially useful information including pulse wave velocity and pulse pressure profiles.
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