Time Factors

Gas density alters expiratory time constants before and after experimental lung injury
William R Henderson, Yannick Molgat-Seon, Paolo B Dominelli, Penelope M A Brasher, Donald E G Griesdale, Glen E Foster, Alexandra Yacyshyn, Najib T Ayas, A William Sheel
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End tidal-to-arterial CO$_textrm2$ and O$_textrm2$ gas gradients at low- and high-altitude during dynamic end-tidal forcing.
We sought to characterize and quantify the performance of a portable dynamic end-tidal forcing (DEF) system in controlling the partial …
Michael M Tymko, Philip N Ainslie, David B MacLeod, Chris K Willie, Glen E Foster
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Precise mimicking of exercise hyperpnea to investigate the oxygen cost of breathing
The oxygen cost of exercise hyperpnea (V˙(O2 RM)) has been quantified using a variety of techniques with inconsistent findings. …
P. B. Dominelli, J. N. Render, Y. Molgat-Seon, G. E. Foster, A. W. Sheel
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Cardiovascular and cerebrovascular responses to acute hypoxia following exposure to intermittent hypoxia in healthy humans
Intermittent hypoxia (IH) is thought to be responsible for many of the long-term cardiovascular consequences associated with …
Glen E. Foster, Julien V. Brugniaux, Vincent Pialoux, Cailean T. C. Duggan, Patrick J. Hanly, Sofia B. Ahmed, Marc J. Poulin
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Sleep Apnoea & Hypertension: Physiological bases for a causal relation: Intermittent hypoxia and vascular function: implications for obstructive sleep apnoea
Obstructive sleep apnoea (OSA) has been implicated as a risk factor for the development of hypertension, stroke and myocardial …
Glen E Foster, Marc J Poulin, Patrick J Hanly
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Effects of enhanced human chemosensitivity on ventilatory responses to exercise.
It is not clear what the effects of different types of intermittent hypoxia have on human exercise ventilation. The purpose of this …
Glen E Foster, Donald C McKenzie, A William Sheel
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Repeated measurement of hypoxic ventilatory response as an intermittent hypoxic stimulus.
Measurement of hypoxic ventilatory response (HVR) involves an exposure to hypoxia which, if repeated over several days might act as an …
Michael S Koehle, Glen E Foster, Donald C McKenzie, A William Sheel
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