Muscle oxygen saturation increases during head-up tilt-induced (pre)syncope.

A Lund,H Sørensen, T W Jensen,M J Niemann,N D Olesen,H B Nielsen,N V Olsen,N H Secher

Acta physiologica (Oxford, England)（2017）

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摘要

We confirm that the decrease in MAP during HUT is associated with a reduction in indices of cerebral perfusion. (Pre)syncope was associated with an increase in S O despite reduced S O and SkBF, supporting that muscle vasodilation plays an important role in the circulatory events leading to hypotension during HUT.

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关键词

cerebral blood flow,head-up tilt,muscle oxygenation,near-infrared spectroscopy,skin blood flow,syncope

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