Losing the dogmatic view of cerebral autoregulation

P Brassard, L Labrecque, JD Smirl… - Physiological …, 2021 - Wiley Online Library
Abstract In 1959, Niels Lassen illustrated the cerebral autoregulation curve in the classic
review article entitled Cerebral Blood Flow and Oxygen Consumption in Man. This concept …

Hypoxemia, oxygen content, and the regulation of cerebral blood flow

RL Hoiland, AR Bain, MG Rieger… - American Journal …, 2016 - journals.physiology.org
This review highlights the influence of oxygen (O2) availability on cerebral blood flow (CBF).
Evidence for reductions in O2 content (CaO2) rather than arterial O2 tension (PaO2) as the …

[HTML][HTML] Regular walking breaks prevent the decline in cerebral blood flow associated with prolonged sitting

SE Carter, R Draijer, SM Holder… - Journal of applied …, 2018 - journals.physiology.org
Decreased cerebrovascular blood flow and function are associated with lower cognitive
functioning and increased risk of neurodegenerative diseases. Prolonged sitting impairs …

[HTML][HTML] Regulation of the cerebral circulation: bedside assessment and clinical implications

J Donnelly, KP Budohoski, P Smielewski, M Czosnyka - Critical care, 2016 - Springer
Regulation of the cerebral circulation relies on the complex interplay between
cardiovascular, respiratory, and neural physiology. In health, these physiologic systems act …

Regulation of the cerebral circulation by arterial carbon dioxide

RL Hoiland, JA Fisher, PN Ainslie - Comprehensive Physiology, 2011 - Wiley Online Library
Intact, coordinated, and precisely regulated cerebrovascular responses are required for the
maintenance of cerebral metabolic homeostasis, adequate perfusion, oxygen delivery, and …

Fasting for 20 h does not affect exercise‐induced increases in circulating BDNF in humans

TD Gibbons, JD Cotter, PN Ainslie… - The Journal of …, 2023 - Wiley Online Library
Intermittent fasting and exercise provide neuroprotection from age‐related cognitive decline.
A link between these two seemingly distinct stressors is their capability to steer the brain …

[HTML][HTML] A ketone monoester drink reduces the glycemic response to an oral glucose challenge in individuals with obesity: a randomized trial

É Myette-Côté, HG Caldwell, PN Ainslie… - The American journal of …, 2019 - Elsevier
Background Exogenous ketones make it possible to reach a state of ketosis that may
improve metabolic control in humans. Objectives The main objective of this study was to …

Internal carotid and brachial artery shear‐dependent vasodilator function in young healthy humans

JMJR Carr, RL Hoiland, HG Caldwell… - The Journal of …, 2020 - Wiley Online Library
Key points Brachial artery (BA) shear‐mediated dilatation is a widely used assessment of
vascular function with links to coronary artery health and cardiovascular risk. Cerebral …

Nitric oxide contributes to cerebrovascular shear‐mediated dilatation but not steady‐state cerebrovascular reactivity to carbon dioxide

RL Hoiland, HG Caldwell, JMJR Carr… - The Journal of …, 2022 - Wiley Online Library
Cerebrovascular CO2 reactivity (CVR) is often considered a bioassay of cerebrovascular
endothelial function. We recently introduced a test of cerebral shear‐mediated dilatation …

Evidence for shear stress–mediated dilation of the internal carotid artery in humans

HH Carter, CL Atkinson, IHA Heinonen, A Haynes… - …, 2016 - Am Heart Assoc
Increases in arterial carbon dioxide tension (hypercapnia) elicit potent vasodilation of
cerebral arterioles. Recent studies have also reported vasodilation of the internal carotid …