Pulse transit time as a proxy for vasoconstriction in younger and older adults.

Arjen Mol,Carel G M Meskers,Sjoerd P Niehof,Andrea B Maier,Richard J A van Wezel

Experimental Gerontology（2020）

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摘要

•Pulse transit time (PTT) was sensitive to an active stand test.•PTT was sensitive to vasoconstriction provocation using a cold pressor test.•PTT responses to these tests did not significantly differ between age groups.•PTT was not associated with total peripheral resistance.•PTT had predictive value for blood pressure drop during active standing.

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关键词

Aged,Arterial stiffness,Blood pressure,Orthostatic hypotension,Pulse transit time,Vasoconstriction

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