Cerebrovascular reactivity (CVR) MRI with CO2 challenge: a technical review

P Liu, B Jill, H Lu - Neuroimage, 2019 - Elsevier
Cerebrovascular reactivity (CVR) is an indicator of cerebrovascular reserve and provides
important information about vascular health in a range of brain conditions and diseases …

Cerebrovascular reactivity measurement using magnetic resonance imaging: a systematic review

E Sleight, MS Stringer, I Marshall, JM Wardlaw… - Frontiers in …, 2021 - frontiersin.org
Cerebrovascular reactivity (CVR) magnetic resonance imaging (MRI) probes cerebral
haemodynamic changes in response to a vasodilatory stimulus. CVR closely relates to the …

The Early Change in PaCO2 after Extracorporeal Membrane Oxygenation Initiation Is Associated with Neurological Complications

YA Cavayas, L Munshi, L Del Sorbo… - American journal of …, 2020 - atsjournals.org
Rationale: Large decreases in PaCO2 that occur when initiating extracorporeal membrane
oxygenation (ECMO) in patients with respiratory failure may cause cerebral vasoconstriction …

Cerebrovascular reactivity map** without gas challenges: a methodological guide

J Pinto, MG Bright, DP Bulte, P Figueiredo - Frontiers in Physiology, 2021 - frontiersin.org
Cerebrovascular reactivity (CVR) is defined as the ability of vessels to alter their caliber in
response to vasoactive factors, by means of dilating or constricting, in order to increase or …

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 …

Development of white matter hyperintensity is preceded by reduced cerebrovascular reactivity

K Sam, AP Crawley, J Conklin, J Poublanc… - Annals of …, 2016 - Wiley Online Library
Objective White matter hyperintensities (WMH) observed on neuroimaging of elderly
individuals are associated with cognitive decline and disability. However, the pathogenesis …

Separating vascular and neuronal effects of age on fMRI BOLD signals

KA Tsvetanov, RNA Henson… - … Transactions of the …, 2021 - royalsocietypublishing.org
Accurate identification of brain function is necessary to understand the neurobiology of
cognitive ageing, and thereby promote well-being across the lifespan. A common tool used …

Measuring cerebrovascular reactivity: the dynamic response to a step hypercapnic stimulus

J Poublanc, AP Crawley, O Sobczyk… - Journal of Cerebral …, 2015 - journals.sagepub.com
We define cerebral vascular reactivity (CVR) as the ratio of the change in blood oxygen level-
dependent (BOLD) magnetic resonance imaging (MRI) signal (S) to an increase in blood …

Neuroimaging assessment of cerebrovascular reactivity in concussion: current concepts, methodological considerations, and review of the literature

MJ Ellis, LN Ryner, O Sobczyk, J Fierstra… - Frontiers in …, 2016 - frontiersin.org
Concussion is a form of traumatic brain injury (TBI) that presents with a wide spectrum of
subjective symptoms and few objective clinical findings. Emerging research suggests that …

[HTML][HTML] Functional MRI of brain physiology in aging and neurodegenerative diseases

JJ Chen - Neuroimage, 2019 - Elsevier
Brain aging and associated neurodegeneration constitute a major societal challenge as well
as one for the neuroimaging community. A full understanding of the physiological …