cerebral perfusion
Absolute and regional cerebral perfusion assessment feasibility in head-down position with arterial spin-labeling magnetic resonance. A preliminary report on healthy subjects.
... middle cerebral artery ...deep cerebral parenchyma is poorly ...assess cerebral perfusion during position changes but, again, it only estimates relative ...and perfusion computed ...
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Bernoulli’s principle applied to brain fluids: intracranial pressure does not drive cerebral perfusion or CSF flow
... energy is a key to understanding fl uid dynamics and should be applied to understand and characterize cerebral perfusion. Intracranial pressure is the pressure in the cerebrospi- nal fluid (CSF) within the ...
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Changes in regional cerebral perfusion over time in idiopathic REM sleep behavior disorder
... half-maximum filter and proportionally scaled for individ- ual global mean signal, a method limiting intersubject vari- ability in radiotracer uptake previously used by others in iRBD populations. 6,8,10 Therefore, rCBF ...
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Evaluation of methods to detect interhemispheric asymmetry on cerebral perfusion SPECT: application to epilepsy.
... detecting perfusion interhemispheric asymmetries proves very useful for pathologies such as focal epilepsy, particularly in cases of slight cerebral blood flow variations, as is the case with temporal ...
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On the normalization of cerebral blood flow
... of cerebral blood flow Romain Guibert 1,2,3,4 , Caroline Fonta 3,4 , Franc¸ois Este`ve 5,6 and Franck Plouraboue ´ 1,2 Cerebral blood flow (CBF) is the most common parameter for the quantification of brain’s ...
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Brain and heart microvascular disease evaluated with cerebral MRI and myocardial perfusion entropy in SPECT, a neurovascular stroke patients' evaluation
... Regional Cerebral Blood Flow in Patients With Syndrome X and Abnormal Myocardial ...C-H. Cerebral Perfusion in Patients With Syndrome X: A Single Photon Emission Computed Tomography ...tomography ...
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en fr Diffusion and perfusion simultaneous quantification with magnetic resonance imaging : application to cerebral ischemic stroke. Quantification simultanée de la diffusion et de la perfusion cérébrale en imagerie par résonance magnétique : application au diagnostic de l’accident vasculaire cérébral ischémique.
... MR imaging This study was approved by the local institutional review board. Eight healthy volunteers (three women, five men; age 29 ± 4 years) were recruited. MR imaging was performed on a 1.5-T clinical system (Optima ...
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Cerebral correlates of explicit sequence learning
... Regional cerebral blood flow (rCBF), taken as a marker of local synaptic activity [20], was estimated using infusions of H215O during six scans obtained successively in Inclusion and Exclusion (three scans each) ...
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Comparative aspects of cerebral cortical development.
... Comparisons among first generated cell layers. The germinal zones lining the ventricle generate the pyramidal neurons of the cerebral cortex. It is well established that newly produced neurons migrate out of the ...
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Temporally downsampled cerebral CT perfusion image restoration using deep residual learning
... CT Perfusion Imaging, Deep residual CNN Introduction As one of leading causes of death, stroke may bring serious long-term ...CT perfusion (CTP) imaging is widely used in acute stroke diagnosis in ...brain ...
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Bayesian Modeling of Cerebral Information Processing
... large-scale cerebral networks, so that new evidences can be incorporated in the model and hypotheses can be assessed, is still a ...to cerebral modeling, since they fulfill theoretically all the ...
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Cerebral modeling and dynamic Bayesian networks
... between cerebral lesions and functional deficits, and currently, mainly by activation studies where subjects are asked to perform a specific task while data of their brain functioning are collected through ...
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Vers la simulation de perfusion du myocarde à partir d'image tomographique scanner
... example, perfusion de- fect not correlated with identified ...on perfusion still ...the perfusion, and thus could be an additional parameter to consider in our ...
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en fr Application of adaptive techniques to Magnetic Resonance Imaging of perfusion Application des techniques adaptatives à l'imagerie par résonance magnétique de perfusion
... Chapter 6 k-t SENSE and GRICS The work described in this chapter has been conducted in collaboration with researchers at the Division of Imaging Sciences, King’s College London, during the stay in London and afterwards. ...
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View of A rare complication of surgical drainage of a cerebral abscess: the contralateral cerebral hematoma
... Une revue de la littérature retrouve un cas d ’hématome de décompression rapporté par Dinc et al. en 2008 : il s ’agissait d ’un hématome parenchymateux après évacuation d’un hématome sous-dural chronique controlatéral ...
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Irradiation des cristallins des patients par scanners de perfusion itératifs : Dosimétrie et optimisation
... 4 Discussion La dose reçue par les cristallins de nos patients lors des examens CT de perfusion était significative, mais le bénéfice attendu de ces explorations pour les patients doit passer au premier plan. Ces ...
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View of Perfusion veineuse périphérique difficile : apport de l’échographie
... la perfusion périphé- rique sont courts, de 30 à 50 ...de perfusion de 91 %, mais 8 % des cathéters ont été retirés dès la première heure pour cause de diffusion ...
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Dynamic Bayesian modeling of the cerebral activity
... during a task performance. Statistical analyses of the ac- tivation data allow determining where [Fox and Raichle, 1985], i.e. in which areas, and/or when [Giard et al., 1995] during the task performance, the activation ...
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Parasite genetic factors implicated in cerebral malaria
... 109 systemic infection that contributes to the severity of the disease (Udomsangpetch et al. 1996). In addition, it has been shown that under flow conditions, CD36 provides higher and more efficient adherence property ...
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Relationship between cerebral amyloid burden and cerebral microstructure measured by quantitative MRI in healthy aging
... The finding that increased iron in frontoparietal and occipital areas are associated with increased amyloid burden fits with previous studies. However, current results also indicate that individuals with higher cortical ...
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