hypoxia

Acute hypoxia elicits lasting reductions in the sympathetic action potential transduction of arterial blood pressure in males
Key points: Acute isocapnic hypoxia elicits lasting sympathoexcitation that does not correspond to parallel changes in vascular tone, …
Brooke Shafer, Massimo Nardone, Anthony Incognito, Tyler Vermeulen, Andre Teixeira, Philip Millar, William Sheel, Christopher West, Najib Ayas, Glen E. Foster
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Acute hypoxia elicits lasting reductions in the sympathetic action potential transduction of arterial blood pressure in males
The effects of acute normobaric hypoxia on vestibular-evoked balance responses in humans
Background: Hypoxia influences standing balance and vestibular function. Objective: The purpose here was to investigate the effect of …
Matthew Debenham, Tess Grantham, Jonathan Smirl, Glen E. Foster, Brian Dalton
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Blunted hypoxic pulmonary vasoconstriction in apnoea divers
New findings: What is the central question of this study? Does the hyperbaric, hypercapnic, acidotic, hypoxic stress of apnoea diving …
Tyler Kelly, Courtney Brown, Mohini Bryant-Ekstrand, Rachel Lord, Tony Dawkins, Aimee Drane, Joel Futral, Otto Barak, Tanja Dragun, Michael Stembridge, Boris Spajic, Ivan Drvis, Joseph Duke, Philip Ainslie, Glen E. Foster, Zeljko Dujic, Andrew Lovering
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Functional optical coherence tomography at altitude: retinal microvascular perfusion and retinal thickness at 3,800 meters
Cerebral hypoxia is a serious consequence of several cardiorespiratory illnesses. Measuring the retinal microvasculature at high …
Jacquie Baker, Mohammad Safarzadeh, Anthony Incognito, Nicholas Jendzjowsky, Glen E. Foster, Jordan Bird, Satish Raj, Trevor Day, Caroline Rickards, Natalia Zubieta-DeUrioste, Usman Alim, Richard Wilson
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Action potential amplitude and baroreflex resetting of action potential clusters mediate hypoxia-induced sympathetic long-term facilitation
Baroreflex resetting permits sympathetic long-term facilitation (sLTF) following hypoxia; however, baroreflex control of action …
Brooke Shafer, Anthony Incognito, Tyler Vermeulen, Massimo Nardone, Andre Teixeira, Stephen Klassen, Philip Millar, Glen E. Foster
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Action potential amplitude and baroreflex resetting of action potential clusters mediate hypoxia-induced sympathetic long-term facilitation
The coronary vascular response to the metaboreflex at low-altitude and during acute and prolonged high-altitude in males
Myocardial oxygen delivery is primarily regulated through changes in vascular tone to match increased metabolic demands. In males, …
Austin White, Lindsey Boulet, Brooke Shafer, Tyler Vermeulen, Taylor Atwater, Mike Stembridge, Philip Ainslie, Richard Wilson, Trevor Day, Glen E. Foster
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The coronary vascular response to the metaboreflex at low-altitude and during acute and prolonged high-altitude in males
Acid-base balance at high altitude in lowlanders and indigenous highlanders
High-altitude exposure results in a hyperventilatory-induced respiratory alkalosis followed by renal compensation (bicarbonaturia) to …
Michael Tymko, Christopher Willie, Connor Howe, Ryan Hoiland, Rachel Stone, Kaitlyn Tymko, Courtney Tymko, David MacLeod, James Anholm, Christopher Gasho, Francisco Villafuerte, Gustavo Vizcardo-Galindo, Romulo Figueroa-Mujica, Trevor Day, Jordan Bird, Glen E. Foster, Craig Steinback, Julien Brugniaux, Benoit Champigneulle, Emeric Stauffer, Stephane Doutreleau, Samuel Verges, Erik Swenson, Philip Ainslie
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Acid-base balance at high altitude in lowlanders and indigenous highlanders
Sex differences in the coronary vascular response to combined chemoreflex and metaboreflex stimulation in healthy humans
Coronary hyperaemia is mediated through multiple signalling pathways, including local metabolic messengers and adrenergic stimulation. …
Lindsey Boulet, Taylor Atwater, Courtney Brown, Brooke Shafer, Tyler Vermeulen, Paul Cotton, Trevor Day, Glen E. Foster
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Sex differences in the coronary vascular response to combined chemoreflex and metaboreflex stimulation in healthy humans
Regional differences in cerebrovascular reactivity in response to acute isocapnic hypoxia in healthy humans: Methodological considerations
The cerebrovasculature responds to blood gas challenges. Regional differences (anterior vs. posterior) in cerebrovascular responses to …
Joanna Keough, Valerie Cates, Michael Tymko, Linsey Boulet, Alenna Jamieson, Glen E. Foster, Trevor Day
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Time course and magnitude of ventilatory and renal acid-base acclimatization following rapid ascent to and residence at 3,800 m over nine days
Rapid ascent to high altitude imposes an acute hypoxic and acid-base challenge, with ventilatory and renal acclimatization countering …
Jordan D. Bird, Jack K. Leacy, Glen E. Foster, Caroline A. Rickards, Richard J. A. Wilson, Ken D. O’Halloran, Nicholas G. Jendzjowsky, Brandon A. Pentz, Britta R. M. Byman, Scott F. Thrall, Alexandra L. Skalk, Sarah A. Hewitt, Craig D. Steinback, David Burns, Peter Ondrus, Trevor A. Day
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Time course and magnitude of ventilatory and renal acid-base acclimatization following rapid ascent to and residence at 3,800 m over nine days