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 …

Variability of physiological brain perfusion in healthy subjects–A systematic review of modifiers. Considerations for multi-center ASL studies

P Clement, HJ Mutsaerts, L Václavů… - Journal of Cerebral …, 2018 - journals.sagepub.com
Quantitative measurements of brain perfusion are influenced by perfusion-modifiers.
Standardization of measurement conditions and correction for important modifiers is …

Prospective targeting and control of end‐tidal CO2 and O2 concentrations

M Slessarev, J Han, A Mardimae… - The Journal of …, 2007 - Wiley Online Library
Current methods of forcing end‐tidal PCO2 (PETCO2) and PO2 (PETO2) rely on breath‐by‐
breath adjustment of inspired gas concentrations using feedback loop algorithms. Such …

Transcranial Doppler estimation of cerebral blood flow and cerebrovascular conductance during modified rebreathing

JAHR Claassen, R Zhang, Q Fu… - Journal of applied …, 2007 - journals.physiology.org
Clinical transcranial Doppler assessment of cerebral vasomotor reactivity (CVMR) uses
linear regression of cerebral blood flow velocity (CBFV) vs. end-tidal CO2 (PetCO2) under …

Influence of cerebrovascular function on the hypercapnic ventilatory response in healthy humans

A Xie, JB Skatrud, B Morgan, B Chenuel… - The Journal of …, 2006 - Wiley Online Library
An important determinant of [H+] in the environment of the central chemoreceptors is
cerebral blood flow. Accordingly we hypothesized that a reduction of brain perfusion or a …

Cerebrovascular response to carbon dioxide in patients with congestive heart failure

A Xie, JB Skatrud, R Khayat, JA Dempsey… - American journal of …, 2005 - atsjournals.org
Rationale: Cerebrovascular reactivity to CO2 provides an important counterregulatory
mechanism that serves to minimize the change in H+ at the central chemoreceptor, thereby …

Measuring the respiratory chemoreflexes in humans

J Duffin - Respiratory physiology & neurobiology, 2011 - Elsevier
Breathing responds to changes in CO 2 and O 2 detected by respiratory chemoreceptors. In
this paper I examine the methodologies for a quantitative assessment of the respiratory …

Measuring the ventilatory response to hypoxia

J Duffin - The Journal of physiology, 2007 - Wiley Online Library
After defining the current approach to measuring the hypoxic ventilatory response this paper
explains why this method is not appropriate for comparisons between individuals or …

Shear-mediated dilation of the internal carotid artery occurs independent of hypercapnia

RL Hoiland, KJ Smith, HH Carter… - American Journal …, 2017 - journals.physiology.org
Evidence for shear stress as a regulator of carotid artery dilation in response to increased
arterial CO2 was recently demonstrated in humans during sustained elevations in CO2 …

Influence of indomethacin on ventilatory and cerebrovascular responsiveness to CO2 and breathing stability: the influence of Pco2 gradients

JL Fan, KR Burgess, KN Thomas… - American Journal …, 2010 - journals.physiology.org
Indomethacin (INDO), a reversible cyclooxygenase inhibitor, is a useful tool for assessing
the role of cerebrovascular reactivity on ventilatory control. Despite this, the effect of INDO on …