Why the study?
Aortic pressure estimation requires reliable peripheral pulse waveform acquisition, but peripheral waveforms can change with local vascular effects that are independent of aortic pressure.
Do localized changes in peripheral resistance and compliance affect tonometric radial and cuff-based brachial pulse waveforms used for central aortic pressure estimation?
Population
20 subjects (37± 15 years, 7 female)
Comparison
Unloaded conditions induced by hand cuff inflation vs baseline measurements
Design
Physiological comparison study
Authors
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Brachial cuff-derived aortic BP estimates are less sensitive to peripheral vascular changes than radial tonometry; leaves open effects on clinical accuracy.
Do localized changes in peripheral resistance and compliance affect tonometric radial and cuff-based brachial pulse waveforms used for central aortic pressure estimation?
Aortic pressure estimation from brachial cuff waveforms is less sensitive to peripheral vasculature disturbances than radial tonometry.
Butlin et al. (2023) studied this question.
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