Effect of stepped hypoglycemia on regional cerebral blood flow response to physiological brain activation

WJ Powers, IB Hirsch, PE Cryer - American Journal of …, 1996 - journals.physiology.org
The effect of vasoactive stimuli on cerebral blood flow (CBF) has been variously reported as
normal or impaired by hypoglycemia. We measured regional CBF (rCBF) in contralateral …

Effect of hyperoxia, hypercapnia, and hypoxia on cerebral interstitial oxygen tension and cerebral blood flow

TQ Duong, C Iadecola, SG Kim - Magnetic Resonance in …, 2001 - Wiley Online Library
The assessment of cerebral interstitial oxygen tension (piO2) can provide valuable
information regarding cerebrovascular physiology and brain function. Compartment‐specific …

Cerebral microvascular obstruction by fibrin is associated with upregulation of PAI-1 acutely after onset of focal embolic ischemia in rats

ZG Zhang, M Chopp, A Goussev, D Lu… - Journal of …, 1999 - Soc Neuroscience
The mechanisms underlying cerebral microvascular perfusion deficit resulting from
occlusion of the middle cerebral artery (MCA) require elucidation. We, therefore, tested the …

Long‐term survival and regeneration of neuronal and vasculature cells inside the core region after ischemic stroke in adult mice

MQ Jiang, YY Zhao, W Cao, ZZ Wei, X Gu… - Brain …, 2017 - Wiley Online Library
Focal cerebral ischemia results in an ischemic core surrounded by the peri‐infarct region
(penumbra). Most research attention has been focused on penumbra while the pattern of …

Relation between cerebral blood flow and metabolism explained by a model of oxygen exchange

R Valabrègue, A Aubert, J Burger… - Journal of Cerebral …, 2003 - journals.sagepub.com
The cerebral blood flow (CBF) and cerebral metabolic rate of oxygen (CMRO2) are major
determinants of the contrast in functional magnetic resonance imaging and optical imaging …

Cerebral blood flow and cerebrovascular reserve capacity: estimation by dynamic magnetic resonance imaging

WG Schreiber, F Gückel, P Stritzke… - Journal of Cerebral …, 1998 - journals.sagepub.com
We have developed a new method for estimation of regional CBF (rCBF) and
cerebrovascular reserve capacity on a pixel-by-pixel basis by means of dynamic magnetic …

Transit time, trailing time, and cerebral blood flow during brain activation: measurement using multislice, pulsed spin‐labeling perfusion imaging

Y Yang, W Engelien, S Xu, H Gu… - … in Medicine: An …, 2000 - Wiley Online Library
Transit time and trailing time in pulsed spin‐labeling perfusion imaging are likely to be
modulated by local blood flow changes, such as those accompanying brain activation. The …

Cerebral blood flow and blood volume in response to osub 2 and cosub 2 changes in normal humans

JB Fortune, PJ Feustel, C deLuna, L Graca… - Journal of Trauma …, 1995 - journals.lww.com
Abstract Changes in cerebral blood volume (CBV) after head injury may be an important
determinant of intracranial pressure (ICP). To determine the normal response of CBV to …

Noninvasive Assessment of Changes in Cytochrome-c Oxidase Oxidation in Human Subjects during Visual Stimulation

HR Heekeren, M Kohl, H Obrig… - Journal of Cerebral …, 1999 - journals.sagepub.com
In this study the authors used a whole-spectrum near-infrared spectroscopy approach to
noninvasively assess changes in hemoglobin oxygenation and cytochrome-c oxidase redox …

Alteration of functional connectivity despite preserved cerebral oxygenation during acute hypoxia

ME Bakker, I Djerourou, S Belanger, F Lesage… - Scientific Reports, 2023 - nature.com
Resting state networks (RSN), which show the connectivity in the brain in the absence of any
stimuli, are increasingly important to assess brain function. Here, we investigate the changes …