Vascular reactivity of cutaneous circulation to brief compressive stimuli, in the human forearm

Seddone, Stefano; Messere, Alessandro; Roatta, Silvestro

doi:10.1007/s00421-020-04343-3

Cited by 9 publications

(4 citation statements)

References 43 publications

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“…The hyperemic responses after cupping therapy were significantly higher because all four combinations of cupping therapy were sufficiently to induce regulation of muscle blood flow. However, the same intensity (in terms of the combination of pressure and duration of cupping therapy) of cupping therapy may not induce a hyperemic response of the skin [5, 33, 34]. Thus, this study explored the magnitude of muscle hemodynamic response to cupping therapy at the same intensities used in previous research [5].…”

Section: Discussionmentioning

confidence: 99%

Using near‐infrared spectroscopy to investigate the effects of pressures and durations of cupping therapy on muscle blood volume and oxygenation

Lin

et al. 2023

Journal of Biophotonics

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Cupping therapy has been widely used to manage musculoskeletal impairment. However, the effects of pressure and duration of cupping therapy on the hemodynamic activity of the muscle have not been investigated. A 2 × 2 repeated measures factorial design was used to examine the main effect and interaction of pressure (−225 and −300 mmHg) and duration (5 and 10 min) on biceps muscle blood flow using near‐infrared spectroscopy in 18 participants. The results showed that a significant interaction is between pressure and duration on deoxy‐hemoglobin (p = 0.045). A significant main effect of pressure is on oxyhemoglobin (p = 0.005) and a significant main effect of duration is on oxyhemoglobin (p = 0.005). Cupping therapy at −300 mmHg for 10 min results in a higher oxyhemoglobin (6.75 ± 2.08 μM) and deoxy‐hemoglobin (1.71 ± 0.78 μM) compared to other three combinations. Our study provides first evidence that the pressure and duration factors of cupping therapy can significantly affect muscle blood volume and oxygenation.

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Section: Discussionmentioning

confidence: 99%

Using near‐infrared spectroscopy to investigate the effects of pressures and durations of cupping therapy on muscle blood volume and oxygenation

Lin

et al. 2023

Journal of Biophotonics

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“…While the absence of response to cold pressor test could be partly attributed to the milder stimulus intensity, in terms of water temperature (10 instead of 8 °C) and duration (1 instead of 2 min), the response to post-handgrip muscle ischemia has no apparent explanation except that the subject position was sitting instead of supine. Incidentally, both active and passive dilatory responses have found to be attenuated above as compared to below heart level (Trinity et al 2011 ; Jasperse et al 2015 ; Seddone et al 2020 ). It is possible that the unfavorable hydrostatic gradient affecting the head region or the increased sympathetic tone have attenuated the hyperemic response in the sitting position, compared to the supine.…”

Section: Discussionmentioning

confidence: 99%

Hemodynamic changes in the temporalis and masseter muscles during acute stress in healthy humans

Rashid,

Roatta

2023

Eur J Appl Physiol

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Purpose Autonomic control of orofacial areas is an integral part of the stress response, controlling functions such as pupil dilatation, salivation, and skin blood flow. However, the specific control of blood flow in head muscles during stress is unknown. This study aims to investigate the hemodynamic response of temporalis and masseter muscles in response to five different stressors. Methods Sixteen healthy individuals were subjected to a randomized series of stressors, including cold pressor test, mental arithmetic test, apnea, isometric handgrip, and post-handgrip muscle ischemia, while in the sitting posture. Finger-pulse photoplethysmography was used to measure arterial blood pressure, heart rate, and cardiac output. Near-infrared spectroscopy was used to measure changes in tissue oxygenation and hemoglobin indices from the temporalis and masseter muscles. Results All stressors effectively and significantly increased arterial blood pressure. Tissue oxygenation index significantly increased in both investigated head muscles during mental arithmetic test (temporalis: 4.22 ± 3.52%; masseter: 3.43 ± 3.63%) and isometric handgrip (temporalis: 3.45 ± 3.09%; masseter: 3.26 ± 3.07%), suggesting increased muscle blood flow. Neither the masseter nor the temporalis muscles evidenced a vasoconstrictive response to any of the stressors tested. Conclusion In the different conditions, temporalis and masseter muscles exhibited similar hemodynamic patterns of response, which do not include the marked vasoconstriction generally observed in limb muscles. The peculiar sympathetic control of head muscles is possibly related to the involvement of these muscles in aggressive/defensive reactions and/or to their unfavorable position with regard to hydrostatic blood levels.

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“…The cuff inflation was operated by two solenoid valves (VXE2330-02F-6D01, SMC, Tokyo, Japan), granting rapid in-flow and out-flow, and a proportional valve (ITV0010, SMC, Tokyo, Japan), granting precise pressure maintenance at the desired level. Compressed air (1 bar) was provided by an air compressor, and the Spike2 software (version 9, Cambridge Electronic Design, Cambridge, UK) coupled with an I/O board (CED Micro 1041, Cambridge Electronic Design, Cambridge, UK) was used to drive the above-mentioned valves to implement both rapid and slow inflation/deflation patterns 12 – 14 .…”

Section: Methodsmentioning

confidence: 99%

“…The cross-section of the BV was continuously monitored by B-mode US imaging (MyLab 15, Esaote S.p.A., Genoa, Italy) using a linear array (LA 523, Esaote, Genoa, Italy) oriented transversally to the vessel lumen at an insonation angle of ~ 90° (US frequency of 12 MHz). The US probe was maintained firmly in place by a mechanical arm, anchored to the same support holding the subject’s arm 12 . From the B-mode scan, the thickness of cutaneous and subcutaneous tissue layer could be measured in all subjects.…”

Section: Methodsmentioning

confidence: 99%

Evidence that large vessels do affect near infrared spectroscopy

Seddone

Ermini

Policastro

et al. 2022

Sci Rep

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The influence of large vessels on near infrared spectroscopy (NIRS) measurement is generally considered negligible. Aim of this study is to test the hypothesis that changes in the vessel size, by varying the amount of absorbed NIR light, could profoundly affect NIRS blood volume indexes. Changes in haemoglobin concentration (tHb) and in tissue haemoglobin index (THI) were monitored over the basilic vein (BV) and over the biceps muscle belly, in 11 subjects (7 M – 4 F; age 31 ± 8 year) with simultaneous ultrasound monitoring of BV size. The arm was subjected to venous occlusion, according to two pressure profiles: slow (from 0 to 60 mmHg in 135 s) and rapid (0 to 40 mmHg maintained for 30 s). Both tHb and THI detected a larger blood volume increase (1.7 to 4 fold; p < 0.01) and exhibited a faster increase and a greater convexity on the BV than on the muscle. In addition, NIRS signals from BV exhibited higher correlation with changes in BV size than from muscle (r = 0.91 vs 0.55, p < 0.001 for THI). A collection of individual relevant recordings is also included. These results challenge the long-standing belief that the NIRS measurement is unaffected by large vessels and support the concept that large veins may be a major determinant of blood volume changes in multiple experimental conditions.

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Vascular reactivity of cutaneous circulation to brief compressive stimuli, in the human forearm

Cited by 9 publications

References 43 publications

Using near‐infrared spectroscopy to investigate the effects of pressures and durations of cupping therapy on muscle blood volume and oxygenation

Using near‐infrared spectroscopy to investigate the effects of pressures and durations of cupping therapy on muscle blood volume and oxygenation

Hemodynamic changes in the temporalis and masseter muscles during acute stress in healthy humans

Evidence that large vessels do affect near infrared spectroscopy

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