spin labeling
Étude de faisabilité : description de l'évolution du débit sanguin cérébral dans les séquences I.R.M en Arterial Spin Labeling (A.S.L) après un arrêt cardiaque
... Toutes ces techniques ont l’inconvénient d’être invasives et de nécessiter l’administration d’un traceur exogène. Plus récemment le doppler C a été étudié et retrouve des résultats similaires (12). Cependant cette ...
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Robust perfusion maps in Arterial Spin Labeling by means of M-estimators
... Arterial Spin Labeling by means of M-estimators Camille MAUMET 1 , Pierre Maurel 1 , Jean-Christophe Ferré 1,2 , and Christian Barillot 1 1 Inria, IRISA, RENNES, Brittany, France, 2 Department of ...
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Arterial Spin Labeling at 3T in semantic dementia: perfusion abnormalities detection and comparison with FDG-PET
... Department of Radiology, University Hospital of Rennes, F-35033 Rennes, France 6 Department of Neurology, University Hospital of Rennes, F-35033 Rennes, France Abstract. Arterial Spin Labeling (ASL) is a ...
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Apathy in depression : an arterial spin labeling study
... The main objective of this study was to compare the cerebral perfusion of apathetic depressed patients with non-apathetic depressed patients by arterial spin labeling (ASL). ASL is a quantitative and ...
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Construction and evaluation of a quantitative arterial spin labeling brain perfusion template at 3T
... arterial spin labeling, MRI, partial vol- ume, functional MRI, atlases ...magnetically labeling blood in brain- feeding ...any labeling RF ...
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A contrario detection of focal brain perfusion abnormalities based on an Arterial Spin Labeling template
... Index Terms— Arterial spin labeling, Cerebral blood flow, Template, a contrario detection. 1. INTRODUCTION Brain perfusion is the biological process through which a complex blood system operates in order to ...
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Quantifying CBF from Arterial Spin Labeling via Diverse-TI: sampling diversity or repetitions ?
... Arterial Spin Labeling (ASL) is a noninvasive perfusion technique which allows the absolute quantification of Cerebral Blood Flow ...magnetic spin labeling of the arterial blood and the ...
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Acquisition duration in resting-state arterial spin labeling. How long is enough?
... Acquisition duration in resting-state arterial spin labeling. How long is enough? Corentin Vall ´ee 1,∗ , Pierre Maurel 1 , Isabelle Corouge 1 , Chrisitan Barillot 1 1 Univ. Rennes, Inria, CNRS, IRISA, ...
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Patient-specific detection of perfusion abnormalities combining within-subject and between-subject variances in Arterial Spin Labeling
... Arterial Spin Labeling, Hypo-perfusion, Hyper-perfusion, General Linear Model, Within-subject variance, Heteroscedasticity ...Arterial Spin Labeling (ASL), a Magnetic Resonance Imaging (MRI) ...
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Site directed nitroxide spin labeling of oligonucleotides for NMR and EPR studies
... Ó 2015 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ ). 1. Introduction Site directed spin labeling ...
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Changes in brain perfusion in successive arterial spin labeling MRI scans in neonates with hypoxic-ischemic encephalopathy
... Cerebral perfusion imaging is challenging in neonates due to physiological and technical issues (Proisy et al., 2016). The Arterial Spin Labeling (ASL) MRI perfusion sequence is one of the most suitable ...
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Evaluation of functional arterial spin labeling data using a perfusion template
... 2. Buxton RB, Frank LR, Wong LC, Siewert B, Warach S, Edelman RR: A general kinetic model for quantitative perfusion imaging with arterial spin labeling. Magn Reson Med 1998, 40:383-396. 3. Luh WM, Wong EC, ...
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Mesure de la perfusion cérébrale par Arterial Spin Labeling après un infarctus cérébral et impact sur le pronostic fonctionnel, cognitif et moteur à trois mois
... Magnetic resonance perfusion imaging in acute ischemic stroke using continuous arterial spin labeling... Structural MRI of carotid artery atherosclerotic lesion burden and charact[r] ...
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Using negative signal in mono-TI pulsed arterial spin labeling to outline pathological increases in arterial transit times
... Using nega- tive signal in mono-TI pulsed arterial spin labeling to outline pathological increases in arterial transit times. ISMRM Scientific Workshop[r] ...
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Absolute and regional cerebral perfusion assessment feasibility in head-down position with arterial spin-labeling magnetic resonance. A preliminary report on healthy subjects.
... Purpose: HD-positioning, used in some stroke centers during early ischemic stroke management, is empirical but supported by some physiological findings.It has been shown by non-MR methods that this position can increase ...
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Patch-based super-resolution for arterial spin labeling MRI
... P ATCH - BASED SUPER - RESOLUTION FOR ARTERIAL SPIN LABELING MRI C. Meurée 1,2,3,4,5 , P. Maurel 2,3,4,5 , E. Bannier 2,3,4,5,6 , C. Barillot 2,3,4,5 1 Siemens Healthineers, Saint-Denis, France 2 ...
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Optimisation et reproductibilité d'une séquence d'arterial spin labeling cérébrale à 3 Tesla
... D’ARTERIAL SPIN LABELING CEREBRALE A 3 TESLA A Le Guen, JY Gauvrit, J Petr, C Barillot, JC Ferré Unité d’Imagerie Neurofaciale, Service de Radiologie et d’Imagerie Médicale, Hôpital Pontchaillou, CHU ...
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Robust Cerebral Blood Flow Map Estimation in Arterial Spin Labeling
... Abstract. Non-invasive measurement of Cerebral Blood Flow (CBF) is now feasible thanks to the introduction of Arterial Spin Labeling (ASL) Magnetic Resonance Imaging (MRI) techniques. To date, the low ...
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Changes in cerebral blood flow and vasoreactivity to CO(2) measured by Arterial Spin Labeling after 6 days at 4,350 m.
... arterial spin labeling (ASL) magnetic resonance imaging (MRI) method that magnetically tags blood water and measures its delivery to tissue capillaries, to obtain a global or regional measure of tissue ...
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Evaluation of functional arterial spin labeling data using a perfusion template
... arterial spin labeling data using a perfusion template Jan Petr 2,3* , Elise Bannier 4,5 , Hélène Raoult 1,2 , Jean-Christophe Ferré 1,2 , Jean-Yves Gauvrit 1,2 , Christian Barillot 2,3 From Twentieth ...
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