Results 131 to 140 of about 7,860 (169)

segcsvd_PVS: A convolutional neural network-based tool for quantification of enlarged perivascular spaces (PVS) on T1-weighted images

Gibson E, Ramirez J, Woods LA, Berberian S, Ottoy J, Scott CJ, Yhap V, Gao F, Coello RD, Valdes-Hernandez M, Lang AE, Tartaglia CM, Kumar S, Binns MA, Bartha R, Symons S, Swartz RH, Masellis M, Singh N, MacIntosh BJ, Wardlaw JM, Black SE, ONDRI Investigators, ADNI, CAIN Investigators, colleagues from the Foundation Leducq Transatlantic Network of Excellence, Lim AS, Goubran M.   +27 more
europepmc   +1 more source

Automated delineation of enlarged perivascular spaces (EPVS) [PDF]

Alzheimer's & Dementia, 2021
AbstractBackgroundEnlarged Perivascular Spaces (EPVS) are associated with small vessel disease. The objective of this study was to develop semi‐automated techniques for the quantification of EPVS burden.MethodAn intensity‐based threshold was used to identify EPVS.
Mohammed Goryawala, Victor Del Brutto Andrade, Anita Seixas Dias Saporta, David Loewenstein, Tatjana Rundek   +4 more
openaire   +2 more sources

Enlarged perivascular spaces in multiple sclerosis on magnetic resonance imaging: a systematic review and meta-analysis [PDF]

Journal of Neurology, 2020
BACKGROUND Perivascular spaces can become detectable on magnetic resonance imaging (MRI) upon enlargement, referred to as enlarged perivascular spaces (EPVS) or Virchow-Robin spaces. EPVS have been linked to small vessel disease.
Tobias Granberg, Fredrik Piehl, Judith S Brand   +2 more
exaly   +3 more sources

Protoplasmic Perivascular Astrocytes Play a Crucial Role in the Development of Enlarged Perivascular Spaces in Obesity, Metabolic Syndrome, and Type 2 Diabetes Mellitus [PDF]

Neuroglia (Basel, Switzerland), 2023
Astrocytes (ACs) are the most abundant cells in the brain and, importantly, are the master connecting and communicating cells that provide structural and functional support for brain cells at all levels of organization.
Melvin Hayden, Hayden Melvin R
exaly   +2 more sources

Enlarged basal ganglia perivascular spaces and sleep parameters. A population-based study [PDF]

Clinical Neurology and Neurosurgery, 2019
Perivascular spaces (PVS) are involved in mechanisms of brain interstitial fluid and metabolic waste clearance. Since most of this clearance occurs during sleep, it is plausible that sleep-related disorders favor PVS dilatation.
Pablo Castillo, Robertino M Mera-Giler, VÍCTOR J Del Brutto   +2 more
exaly   +2 more sources

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Automated method for segmenting enlarged perivascular spaces

Alzheimer's & Dementia, 2022
AbstractBackgroundEnlarged perivascular spaces (ePVS) on magnetic resonance (MR) imaging are difficult to quantify due to their small size, diffuse distribution, and often, high prevalence. We present a method for automating ePVS volume quantification in the basal ganglia.MethodVanderbilt Memory and Aging Project participants (n=327, 73±7, 41% female ...
Corey W. Bown, Omair A. Khan, Dandan Liu, Kimberly R. Pechman, Samuel Remedios, L. Taylor Davis, Michelle Houston, Katherine A. Gifford, Timothy J. Hohman, Bennett A. Landman, Angela L. Jefferson   +10 more
openaire   +1 more source

Enlarged perivascular spaces are associated with white matter injury, cognition and inflammation in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy [PDF]

Brain Communications
Enlarged perivascular spaces have been previously reported in cerebral autosomal dominant arteriopathy with subcortical infarcts and leukoencephalopathy, but their significance and pathophysiology remains unclear.
Daniel Schwartz, Nikolaos Karvelas, Fanny Elahi   +2 more
exaly   +3 more sources

Enlarged Perivascular Space and Index for Diffusivity Along the Perivascular Space as Emerging Neuroimaging Biomarkers of Neurological Diseases

Cellular and Molecular Neurobiology, 2023
The existence of lymphatic vessels or similar clearance systems in the central nervous system (CNS) that transport nutrients and remove cellular waste is a neuroscientific question of great significance. As the brain is the most metabolically active organ in the body, there is likely to be a potential correlation between its clearance system and the ...
Jun, Zhang, Shengwen, Liu, Yaqi, Wu, Zhijian, Tang, Yasong, Wu, Yiwei, Qi, Fangyong, Dong, Yu, Wang   +7 more
openaire   +2 more sources

MRI-visible enlarged perivascular spaces

Neurology, 2020
Intracerebral hemorrhage (ICH) is the most severe stroke subtype, associated with high risk of death and dependence.1 Oral anticoagulants (OACs) increase risk for ICH and lead to more severe and more frequently fatal bleeds than spontaneous ICH.2 Thus developing a predictive model for stratifying the risk of ICH in patients eligible for OAC has ...
Nicolas Raposo, Anand Viswanathan
openaire   +3 more sources