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Sympathetic Activation Does Not Affect the Cardiac and Respiratory Contribution to the Relationship between Blood Pressure and Pial Artery Pulsation Oscillations in Healthy Subjects

Author

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  • Pawel J Winklewski
  • Yurii Tkachenko
  • Kamila Mazur
  • Jacek Kot
  • Marcin Gruszecki
  • Wojciech Guminski
  • Krzysztof Czuszynski
  • Jerzy Wtorek
  • Andrzej F Frydrychowski

Abstract

Introduction: Using a novel method called near-infrared transillumination backscattering sounding (NIR-T/BSS) that allows for the non-invasive measurement of pial artery pulsation (cc-TQ) and subarachnoid width (sas-TQ) in humans, we assessed the influence of sympathetic activation on the cardiac and respiratory contribution to blood pressure (BP) cc-TQ oscillations in healthy subjects. Methods: The pial artery and subarachnoid width response to handgrip (HGT) and cold test (CT) were studied in 20 healthy subjects. The cc-TQ and sas-TQ were measured using NIR-T/BSS; cerebral blood flow velocity (CBFV) was measured using Doppler ultrasound of the left internal carotid artery; heart rate (HR) and beat-to-beat mean BP were recorded using a continuous finger-pulse photoplethysmography; respiratory rate (RR), minute ventilation (MV), end-tidal CO2 (EtCO2) and end-tidal O2 (EtO2) were measured using a metabolic and spirometry module of the medical monitoring system. Wavelet transform analysis was used to assess the relationship between BP and cc-TQ oscillations. Results: HGT evoked an increase in BP (+15.9%; P

Suggested Citation

  • Pawel J Winklewski & Yurii Tkachenko & Kamila Mazur & Jacek Kot & Marcin Gruszecki & Wojciech Guminski & Krzysztof Czuszynski & Jerzy Wtorek & Andrzej F Frydrychowski, 2015. "Sympathetic Activation Does Not Affect the Cardiac and Respiratory Contribution to the Relationship between Blood Pressure and Pial Artery Pulsation Oscillations in Healthy Subjects," PLOS ONE, Public Library of Science, vol. 10(8), pages 1-13, August.
    • Handle: RePEc:plo:pone00:0135751
    DOI: 10.1371/journal.pone.0135751
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    Cited by:

    1. Magdalena Wszedybyl-Winklewska & Jacek Wolf & Ewa Swierblewska & Katarzyna Kunicka & Kamila Mazur & Marcin Gruszecki & Pawel J Winklewski & Andrzej F Frydrychowski & Leszek Bieniaszewski & Krzysztof N, 2017. "Increased inspiratory resistance affects the dynamic relationship between blood pressure changes and subarachnoid space width oscillations," PLOS ONE, Public Library of Science, vol. 12(6), pages 1-13, June.
    2. Magdalena Wszedybyl-Winklewska & Jacek Wolf & Ewa Swierblewska & Katarzyna Kunicka & Agnieszka Gruszecka & Marcin Gruszecki & Wieslawa Kucharska & Pawel J Winklewski & Joanna Zabulewicz & Wojciech Gum, 2017. "Acute hypoxia diminishes the relationship between blood pressure and subarachnoid space width oscillations at the human cardiac frequency," PLOS ONE, Public Library of Science, vol. 12(2), pages 1-13, February.

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