The effect of basal vasodilation on hypercapnic and hypocapnic reactivity measured using magnetic resonance imaging
Cerebrovascular reactivity to vasodilatory hypercapnic and vasoconstrictive hypocapnic
challenges is known to be altered in several hemodynamic disorders, which is often …
challenges is known to be altered in several hemodynamic disorders, which is often …
Approaches to brain stress testing: BOLD magnetic resonance imaging with computer-controlled delivery of carbon dioxide
Background An impaired vascular response in the brain regionally may indicate reduced
vascular reserve and vulnerability to ischemic injury. Changing the carbon dioxide (CO2) …
vascular reserve and vulnerability to ischemic injury. Changing the carbon dioxide (CO2) …
[HTML][HTML] The association between BOLD-based cerebrovascular reactivity (CVR) and end-tidal CO2 in healthy subjects
Cerebrovascular reactivity (CVR) mapping using CO 2-inhalation can provide important
insight into vascular health. At present, blood-oxygenation-level-dependent (BOLD) MRI …
insight into vascular health. At present, blood-oxygenation-level-dependent (BOLD) MRI …
The Cumulative Influence of Hyperoxia and Hypercapnia on Blood Oxygenation and R2*
CC Faraco, MK Strother, JCW Siero… - Journal of Cerebral …, 2015 - journals.sagepub.com
Cerebrovascular reactivity (CVR)-weighted blood-oxygenation-level-dependent magnetic
resonance imaging (BOLD-MRI) experiments are frequently used in conjunction with …
resonance imaging (BOLD-MRI) experiments are frequently used in conjunction with …
Regional dynamic signal changes during controlled hyperventilation assessed with blood oxygen level-dependent functional MR imaging.
S Posse, U Olthoff, M Weckesser… - American journal …, 1997 - Am Soc Neuroradiology
PURPOSE To quantitate the amplitude changes and temporal dynamics of regional
functional MR imaging signals during voluntary hyperventilation using blood oxygen level …
functional MR imaging signals during voluntary hyperventilation using blood oxygen level …
Quantitative measurement of cerebral physiology using respiratory-calibrated MRI
Functional magnetic resonance imaging typically measures signal increases arising from
changes in the transverse relaxation rate over small regions of the brain and associates …
changes in the transverse relaxation rate over small regions of the brain and associates …
Regional cerebrovascular responses to hypercapnia and hypoxia
DR Corfield, LC McKay - Hypoxia: Translation in Progress, 2016 - Springer
A limited number of studies using differing imaging approaches suggest that there are
regional variation in the cerebrovascular response to hypercapnia and hypoxia. However …
regional variation in the cerebrovascular response to hypercapnia and hypoxia. However …
Measurement of cerebral blood volume in humans using hyperoxic MRI contrast
D Bulte, P Chiarelli, R Wise… - Journal of Magnetic …, 2007 - Wiley Online Library
Purpose To develop a new method of measuring quantitative regional cerebral blood
volume (CBV) using epochs of hyperoxia as an intravenous contrast agent with T2 …
volume (CBV) using epochs of hyperoxia as an intravenous contrast agent with T2 …
Regional cerebral blood volume response to hypocapnia using susceptibility contrast MRI
JF Payen, E Briot, I Tropres… - NMR in …, 2000 - Wiley Online Library
We used steady‐state susceptibility contrast MRI to evaluate the regional cerebral blood
volume (rCBV) response to hypocapnia in anesthetised rats. The rCBV was determined in …
volume (rCBV) response to hypocapnia in anesthetised rats. The rCBV was determined in …
The impact of inspired oxygen levels on calibrated fMRI measurements of M, OEF and resting CMRO2 using combined hypercapnia and hyperoxia
Recent calibrated fMRI techniques using combined hypercapnia and hyperoxia allow the
mapping of resting cerebral metabolic rate of oxygen (CMRO2) in absolute units, oxygen …
mapping of resting cerebral metabolic rate of oxygen (CMRO2) in absolute units, oxygen …