Cerebral blood flow, cerebrovascular reactivity and their influence on ventilatory sensitivity

JMJR Carr, HG Caldwell, PN Ainslie - Experimental physiology, 2021 - Wiley Online Library
New Findings What is the topic of this review? Cerebrovascular reactivity to CO2, which is a
principal factor in determining ventilatory responses to CO2 through the role reactivity plays …

Influence of hypoxia on cerebral blood flow regulation in humans

CD Steinback, MJ Poulin - Hypoxia: Translation in Progress, 2016 - Springer
The brain is a vital organ that relies on a constant and adequate supply of blood to match
oxygen and glucose delivery with the local metabolic demands of active neurones. It is well …

Cognitive performance is associated with cerebral oxygenation and peripheral oxygen saturation, but not plasma catecholamines, during graded normobaric hypoxia

TB Williams, J Corbett, T McMorris… - Experimental …, 2019 - Wiley Online Library
New Findings What is the central question of this study? What are the mechanisms
responsible for the decline in cognitive performance following exposure to acute normobaric …

Hypercapnic vs. hypoxic control of cardiovascular, cardiovagal, and sympathetic function

CD Steinback, D Salzer, PJ Medeiros… - American Journal …, 2009 - journals.physiology.org
We compared the integrated cardiovascular and autonomic responses to hypercapnia and
hypoxia to test the hypothesis that these stimuli differentially affect muscle sympathetic nerve …

Effect of acute hypoxia on blood flow in vertebral and internal carotid arteries

S Ogoh, K Sato, H Nakahara, K Okazaki… - Experimental …, 2013 - Wiley Online Library
New Findings• What is the central question of this study? Does hypoxia enhance blood flow
to all parts of the brain uniformly?• What is the main finding and its importance? During …

Spatial and temporal patterns of nitric oxide diffusion and degradation drive emergent cerebrovascular dynamics

WD Haselden, RT Kedarasetti… - PLoS computational …, 2020 - journals.plos.org
Nitric oxide (NO) is a gaseous signaling molecule that plays an important role in
neurovascular coupling. NO produced by neurons diffuses into the smooth muscle …

Hypoxia-induced lowered executive function depends on arterial oxygen desaturation

G Ochi, Y Kanazawa, K Hyodo, K Suwabe… - The journal of …, 2018 - Springer
Although it has been traditionally thought that decreasing SpO 2 with ascent to high altitudes
not only induces acute mountain sickness but also can decrease executive function, the …

Comparing and characterizing transient and steady‐state tests of the peripheral chemoreflex in humans

JR Pfoh, MM Tymko, M Abrosimova… - Experimental …, 2016 - Wiley Online Library
New Findings What is the central question of this study? We aimed to characterize the
cardiorespiratory and cerebrovascular responses to transient and steady‐state tests of the …

Assessing central and peripheral respiratory chemoreceptor interaction in humans

KM Milloy, MG White, JOC Chicilo… - Experimental …, 2022 - Wiley Online Library
New Findings What is the central question of this study? We investigated the interaction
between central and peripheral respiratory chemoreceptors in healthy, awake human …

Using modified Fenn diagrams to assess ventilatory acclimatization during ascent to high altitude: Effect of acetazolamide

R Isakovich, VC Cates, BA Pentz, JD Bird… - Experimental …, 2024 - Wiley Online Library
High altitude (HA) ascent imposes systemic hypoxia and associated risk of acute mountain
sickness. Acute hypoxia elicits a hypoxic ventilatory response (HVR), which is augmented …