Results 31 to 40 of about 1,150,578 (208)

Cerebral Blood Transit in Sickle Cell Anemia. [PDF]

J Magn Reson Imaging
ABSTRACT Background Sickle cell anemia (SCA) patients upregulate cerebral blood flow to compensate for decreased arterial oxygen content. Such hyperemic conditions can manifest as venous hyperintense signal on arterial spin labeling (ASL) MRI, which may reflect faster capillary blood transit, altered oxygen extraction fraction (OEF), and infarct risk ...
Richerson WT, Aumann MA, Song AK, Davis S, Milner L, Garza M, Martin D, Davis LT, Pruthi S, Jordan LC, Donahue MJ.   +10 more
europepmc   +2 more sources

Imaging clinically relevant pain states using arterial spin labeling

PAIN Reports, 2019
. Arterial spin labeling (ASL) is a perfusion-based functional magnetic resonance imaging technique that uses water in arterial blood as a freely diffusible tracer to measure regional cerebral blood flow noninvasively.
Marco Luciano Loggia, Andrew Reilly Segerdahl, Matthew Alexander Howard, Irene Tracey   +3 more
doaj   +1 more source

Intraoperative resection control using arterial spin labeling — Proof of concept, reproducibility of data and initial results

NeuroImage: Clinical, 2017
Objectives: Intraoperative magnetic resonance imaging is a unique tool for visualizing structures during resection and/or for updating any kind of neuronavigation that might be hampered as a result of brain shift during surgery.
Thomas Lindner, Hajrullah Ahmeti, Isabel Lübbing, Michael Helle, Olav Jansen, Michael Synowitz, Stephan Ulmer   +6 more
doaj   +1 more source

The effect of arterial spin labeling MR angiography (ASL-MRA) in visualizing the branches of external carotid artery

Scientific Reports, 2023
AbstractThis study aimed to assess the performance of arterial-spin labeling MRA (ASL-MRA) for visualizing the external carotid artery (ECA) branches in comparison with time-of-flight MRA (TOF-MRA) and CT angiography (CTA). We retrospectively selected 31 consecutive patients, who underwent both MRAs and CTA, prior to the intra-arterial ...
Akira Yogi, Junji Ito, Kazuki Ishikawa, Joichi Heianna, Satoshi Sakugawa, Narihisa Aguni, Makoto Obara, Hiroyuki Maeda, Akihiro Nishie   +8 more
openaire   +3 more sources

Data_Sheet_1_A Beginner's Guide to Arterial Spin Labeling (ASL) Image Processing.PDF

, 2022
Arterial spin labeling (ASL) is a non-invasive and cost-effective MRI technique for brain perfusion measurements. While it has developed into a robust technique for scientific and clinical use, its image processing can still be daunting.
Jan Petr (1282503), Luis Hernandez-Garcia (11280567), Sudipto Dolui (7364039), Henk J. M. M. Mutsaerts (8937107), Lina Jarutyte (12868907), Joost P. A. Kuijer (12868916), Andrew Jahn (12868913), Frederik Barkhof (146873), Nandor Pinter (12868910), Patricia Clement (5942846), Beatriz Padrela (12868904), Maurice Pasternak (10319939), Vera C. Keil (12159926), Mathijs B. J. Dijsselhof (12868901)   +13 more
core   +1 more source

Arterial spin labeling MRI - clinical applications [PDF]

, 2019
Arterial spin labeling (ASL) is a modern magnetic-resonance technique for evaluation of brain perfusion. One of its most important advantages is that there is no need for an injection of an exogenous contrast material.
Balev, Boyan; Medical University of Varna, Kalchev, Emilian; Medical University of Varna, Georgiev, Radoslav; Medical University of Varna   +2 more
core   +5 more sources

Data_Sheet_2_A Beginner's Guide to Arterial Spin Labeling (ASL) Image Processing.PDF

, 2022
Arterial spin labeling (ASL) is a non-invasive and cost-effective MRI technique for brain perfusion measurements. While it has developed into a robust technique for scientific and clinical use, its image processing can still be daunting.
Jan Petr (1282503), Luis Hernandez-Garcia (11280567), Sudipto Dolui (7364039), Henk J. M. M. Mutsaerts (8937107), Lina Jarutyte (12868907), Joost P. A. Kuijer (12868916), Andrew Jahn (12868913), Frederik Barkhof (146873), Nandor Pinter (12868910), Patricia Clement (5942846), Beatriz Padrela (12868904), Maurice Pasternak (10319939), Vera C. Keil (12159926), Mathijs B. J. Dijsselhof (12868901)   +13 more
core   +1 more source

Regional cortical perfusion on arterial spin labeling MRI in dementia with Lewy bodies: Associations with clinical severity, glucose metabolism and tau PET

NeuroImage: Clinical, 2018
Visually preserved metabolism in posterior cingulate cortex relative to hypometabolism in precuneus and cuneus, the cingulate island sign, is a feature of dementia with Lewy bodies (DLB) on FDG-PET.
Zuzana Nedelska, Matthew L. Senjem, Scott A. Przybelski, Timothy G. Lesnick, Val J. Lowe, Bradley F. Boeve, Arvin Arani, Prashanthi Vemuri, Jonathan Graff-Radford, Tanis J. Ferman, David T. Jones, Rodolfo Savica, David S. Knopman, Ronald C. Petersen, Clifford R. Jack, Kejal Kantarci   +15 more
doaj   +1 more source

Base-specific spin-labeling of RNA for structure determination [PDF]

, 2007
To facilitate the measurement of intramolecular distances in solvated RNA systems, a combination of spin-labeling, electron paramagnetic resonance (EPR), and molecular dynamics (MD) simulation is presented. The fairly rigid spin label 2,2,5,5-tetramethyl-
Olav Schiemann, Mu, Yuguang, Prisner, Thomas F., Stock, G., Engels, J.W., Prisner, TF., Thomas F. Prisner, Engels, Joachim W. (Prof. Dr.), Stock, Gerhard, Piton, N., Schiemann, Olav, Gerhard Stock, Nelly Piton, Piton, Nelly, Mu, Y., Yuguang Mu, Joachim W. Engels   +16 more
core   +1 more source

A Study on Predicting Split Renal Function Using Renal Blood Flow Weighted Estimated Glomerular Filtration Rate From Arterial Spin Labeling MRI. [PDF]

J Magn Reson Imaging
ABSTRACT Background Traditional methods for evaluating split renal function, including contrast‐enhanced CT and radionuclide imaging, have limitations related to ionizing radiation or potentially nephrotoxic contrast agents. Purpose To investigate the value of renal blood flow (RBF)‐weighted estimated glomerular filtration rate (eGFR) derived from ...
Lin Z, Li Y, Wang R, Li W, Zhu J, Kuehn B, Qiu J, Li J.   +7 more
europepmc   +2 more sources