Regulation of cerebral blood flow in humans: physiology and clinical implications of autoregulation

JAHR Claassen, DHJ Thijssen… - Physiological …, 2021 - journals.physiology.org
Brain function critically depends on a close matching between metabolic demands,
appropriate delivery of oxygen and nutrients, and removal of cellular waste. This matching …

Transfer function analysis of dynamic cerebral autoregulation: a CARNet white paper 2022 update

RB Panerai, P Brassard, JS Burma… - Journal of Cerebral …, 2023 - journals.sagepub.com
Cerebral autoregulation (CA) refers to the control of cerebral tissue blood flow (CBF) in
response to changes in perfusion pressure. Due to the challenges of measuring intracranial …

Review of studies on dynamic cerebral autoregulation in the acute phase of stroke and the relationship with clinical outcome

RC Nogueira, M Aries, JS Minhas… - Journal of Cerebral …, 2022 - journals.sagepub.com
Acute stroke is associated with high morbidity and mortality. In the last decades, new
therapies have been investigated with the aim of improving clinical outcomes in the acute …

[HTML][HTML] Vascular and haemodynamic issues of brain ageing

L Beishon, RH Clough, M Kadicheeni… - … -European Journal of …, 2021 - Springer
The population is ageing worldwide, thus increasing the burden of common age-related
disorders to the individual, society and economy. Cerebrovascular diseases (stroke …

On the use and misuse of cerebral hemodynamics terminology using transcranial Doppler ultrasound: a call for standardization

RJ Skow, RM Brothers… - American Journal …, 2022 - journals.physiology.org
Cerebral hemodynamics, eg, cerebral blood flow, can be measured and quantified using
many different methods, with transcranial Doppler ultrasound (TCD) being one of the most …

Reliability and validity of the mean flow index (Mx) for assessing cerebral autoregulation in humans: a systematic review of the methodology

MH Olsen, CG Riberholt, J Mehlsen… - Journal of Cerebral …, 2022 - journals.sagepub.com
Cerebral autoregulation is a complex mechanism that serves to keep cerebral blood flow
relatively constant within a wide range of cerebral perfusion pressures. The mean flow index …

[HTML][HTML] Dynamic cerebral autoregulation reproducibility is affected by physiological variability

ML Sanders, JWJ Elting, RB Panerai, M Aries… - Frontiers in …, 2019 - frontiersin.org
Parameters describing dynamic cerebral autoregulation (DCA) have limited reproducibility.
In an international, multi-center study, we evaluated the influence of multiple analytical …

Cerebral critical closing pressure and resistance-area product: the influence of dynamic cerebral autoregulation, age and sex

RB Panerai, VJ Haunton, O Llwyd… - Journal of Cerebral …, 2021 - journals.sagepub.com
Instantaneous arterial pressure-flow (or velocity) relationships indicate the existence of a
cerebral critical closing pressure (CrCP), with the slope of the relationship expressed by the …

The INfoMATAS project: methods for assessing cerebral autoregulation in stroke

DM Simpson, SJ Payne… - Journal of Cerebral Blood …, 2022 - journals.sagepub.com
Cerebral autoregulation refers to the physiological mechanism that aims to maintain blood
flow to the brain approximately constant when blood pressure changes. Impairment of this …

[HTML][HTML] Assessment of dynamic cerebral autoregulation in humans: Is reproducibility dependent on blood pressure variability?

JW Elting, ML Sanders, RB Panerai, M Aries… - PLoS …, 2020 - journals.plos.org
We tested the influence of blood pressure variability on the reproducibility of dynamic
cerebral autoregulation (DCA) estimates. Data were analyzed from the 2nd CARNet …