2019
DOI: 10.14814/phy2.14070
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Difference in the integrated effects of sympathetic vasoconstriction and local vasodilation in human skeletal muscle and skin microvasculature

Abstract: We investigated the integration of sympathetic vasoconstriction and local vasodilation in the skeletal muscle and skin microvasculature of humans. In 39 healthy volunteers, we simultaneously measured the blood flow index in the flexor carpi radialis muscle using diffuse correlation spectroscopy and the skin using laser‐Doppler flowmetry. We examined the effects of acute sympathoexcitation induced by forehead cooling on relatively weak and robust vasodilatory responses during postocclusive reactive hyperemia ( … Show more

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Cited by 12 publications
(6 citation statements)
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“…A more robust test might account for differences in mean arterial pressure (e.g. Ichinose, Nakabayashi, & Ono, ) to determine cutaneous vascular conductance when comparing groups, although this requires additional measurements. Although such analysis has been used in research and clinical practice (e.g.…”
Section: Analysis In the Time Domainmentioning
confidence: 99%
“…A more robust test might account for differences in mean arterial pressure (e.g. Ichinose, Nakabayashi, & Ono, ) to determine cutaneous vascular conductance when comparing groups, although this requires additional measurements. Although such analysis has been used in research and clinical practice (e.g.…”
Section: Analysis In the Time Domainmentioning
confidence: 99%
“…Simultaneous measurement of muscle blood flow, systemic blood pressure, and electrocardiogram (ECG) was performed when participants were in a prone position. Optical probes of the DCS system developed in-house ( Nakabayashi and Ono, 2017 ; Ichinose et al, 2018 ; Nakabayashi et al, 2018 ; Ono et al, 2018 , Ichinose et al, 2019 , 2021 ) were attached to the skin surface just above the superior fibers of the right trapezius muscle at the center of the line, connecting the spinous process of the seventh cervical vertebra and the acromion of the right scapula to monitor the local blood flow ( Figure 1 ). The optical probes were secured on the skin surface with a medical adhesive tape (see Supplementary Video S1 for a more detailed fixation procedure of the optical probes).…”
Section: Methodsmentioning
confidence: 99%
“…Ice water ingestion can induce cardioautonomic responses 21 and low temperature water drinking can decrease heart rate through the vagal nervous system 22 . As part of the cardioautonomic response, skin blood flow regulation 23 and heart rate are all regulated by the autonomic nervous system. Due to the different adaptability of blood flow on different sides of the body due to changes in position 24 , we hypothesized that as another environmental change, temperature stimulation in the digestive tract can also induce different responses of blood perfusion on different sides, showing a certain laterality.…”
Section: Introductionmentioning
confidence: 99%