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 …

Cerebral haemodynamics: effects of systemic arterial pulsatile function and hypertension

A Avolio, MO Kim, A Adji, S Gangoda… - Current hypertension …, 2018 - Springer
Abstract Purpose of Review Concepts of pulsatile arterial haemodynamics, including
relationships between oscillatory blood pressure and flow in systemic arteries, arterial …

Diminished dynamic cerebral autoregulatory capacity with forced oscillations in mean arterial pressure with elevated cardiorespiratory fitness

L Labrecque, K Rahimaly, S Imhoff… - Physiological …, 2017 - Wiley Online Library
The effect that cardiorespiratory fitness has on the dynamic cerebral autoregulatory capacity
during changes in mean arterial pressure (MAP) remains equivocal. Using a multiple …

The dynamics of cerebrovascular reactivity shown with transfer function analysis

J Duffin, O Sobczyk, AP Crawley, J Poublanc… - Neuroimage, 2015 - Elsevier
Cerebrovascular reactivity (CVR) is often defined as the increase in cerebral blood flow
(CBF) produced by an increase in carbon dioxide (CO 2) and may be used clinically to …

Concomitant evaluation of cardiovascular and cerebrovascular controls via Geweke spectral causality to assess the propensity to postural syncope

A Porta, F Gelpi, V Bari, B Cairo, B De Maria… - Medical & Biological …, 2023 - Springer
The evaluation of propensity to postural syncope necessitates the concomitant
characterization of the cardiovascular and cerebrovascular controls and a method capable …

[HTML][HTML] CrossTalk proposal: dynamic cerebral autoregulation should be quantified using spontaneous blood pressure fluctuations

YC Tzeng, RB Panerai - The Journal of Physiology, 2018 - ncbi.nlm.nih.gov
In healthy individuals, cerebral blood flow (CBF) is regulated by different mechanisms that
maintain optimal blood supply to the brain, responding to changes in O2 demand …

On the different abilities of cross-sample entropy and K-nearest-neighbor cross-unpredictability in assessing dynamic cardiorespiratory and cerebrovascular …

A Porta, V Bari, F Gelpi, B Cairo, B De Maria, D Tonon… - Entropy, 2023 - mdpi.com
Nonlinear markers of coupling strength are often utilized to typify cardiorespiratory and
cerebrovascular regulations. The computation of these indices requires techniques …

Dynamic cerebrovascular autoregulation in patients prone to postural syncope: comparison of techniques assessing the autoregulation index from spontaneous …

F Gelpi, V Bari, B Cairo, B De Maria, D Tonon… - Autonomic …, 2022 - Elsevier
Three approaches to the assessment of cerebrovascular autoregulation (CA) via the
computation of the autoregulation index (ARI) from spontaneous variability of mean arterial …

A mathematical model of cerebral blood flow control in anaemia and hypoxia

J Duffin, GMT Hare, JA Fisher - The Journal of physiology, 2020 - Wiley Online Library
Key points The control of cerebral blood flow in hypoxia, anaemia and hypocapnia is
reviewed with an emphasis on the links between cerebral blood flow and possible stimuli. A …

Characterization of cerebral macro-and microvascular hemodynamics during transient hypotension

LN Shoemaker, D Milej, A Sajid… - Journal of Applied …, 2023 - journals.physiology.org
The aim of the current study was to establish the interplay between blood flow patterns
within a large cerebral artery and a downstream microvascular segment under conditions of …