Altitude

Reduced blood flow through intrapulmonary arteriovenous anastomoses during exercise in lowlanders acclimatizing to high altitude.
What is the central question of this study? The aim was to determine, using the technique of agitated saline contrast echocardiography, …
Lindsey M Boulet, Andrew T Lovering, Michael M Tymko, Trevor A Day, Mike Stembridge, Trang Anh Nguyen, Philip N Ainslie, Glen E Foster
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Chemoreceptor Responsiveness at Sea Level Does Not Predict the Pulmonary Pressure Response to High Altitude.
BACKGROUND:The hypoxic ventilatory response (HVR) at sea level (SL) is moderately predictive of the change in pulmonary artery systolic …
Ryan L Hoiland, Glen E Foster, Joseph Donnelly, Mike Stembridge, Chris K Willie, Kurt J Smith, Nia C Lewis, Samuel J E Lucas, Jim D Cotter, David J Yeoman, Kate N Thomas, Trevor A Day, Mike M Tymko, Keith R Burgess, Philip N Ainslie
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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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The contribution of arterial blood gases in cerebral blood flow regulation and fuel utilization in man at high altitude.
The effects of partial acclimatization to high altitude (HA; 5,050 m) on cerebral metabolism and cerebrovascular function have not been …
Christopher K Willie, David B MacLeod, Kurt J Smith, Nia C Lewis, Glen E Foster, Keita Ikeda, Ryan L Hoiland, Philip N Ainslie
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Resting pulmonary haemodynamics and shunting: a comparison of sea-level inhabitants to high altitude Sherpas
The incidence of blood flow through intracardiac shunt and intrapulmonary arteriovenous anastomoses (IPAVA) may differ between Sherpas …
Glen E. Foster, Philip N. Ainslie, Mike Stembridge, Trevor A. Day, Akke Bakker, Samuel J. E. Lucas, Nia C. S. Lewis, David B. MacLeod, Andrew T. Lovering
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High on altitude: new attitudes toward human cerebral blood flow regulation and altitude acclimatization
Glen E. Foster
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