Search Results - "Stafford, Randall B"

Comparison of non-invasive MRI measurements of cerebral blood flow in a large multisite cohort by Dolui, Sudipto, Wang, Ze, Wang, Danny JJ, Mattay, Raghav, Finkel, Mack, Elliott, Mark, Desiderio, Lisa, Inglis, Ben, Mueller, Bryon, Stafford, Randall B, Launer, Lenore J, Jacobs, David R, Bryan, R Nick, Detre, John A

“…Arterial spin labeling and phase contrast magnetic resonance imaging provide independent non-invasive methods for measuring cerebral blood flow. We compared…”
Get full text

Longitudinal decrease in blood oxygenation level dependent response in cerebral amyloid angiopathy by Switzer, Aaron R, McCreary, Cheryl, Batool, Saima, Stafford, Randall B, Frayne, Richard, Goodyear, Bradley G, Smith, Eric E

“…Lower blood oxygenation level dependent (BOLD) signal changes in response to a visual stimulus in functional magnetic resonance imaging (fMRI) have been…”
Get full text

Improved susceptibility weighted imaging method using multi-echo acquisition by Oh, Sung Suk, Oh, Se-Hong, Nam, Yoonho, Han, Dongyeob, Stafford, Randall B., Hwang, Jinyoung, Kim, Dong-Hyun, Park, HyunWook, Lee, Jongho

“…Purpose To introduce novel acquisition and postprocessing approaches for susceptibility weighted imaging (SWI) to remove background field inhomogeneity…”
Get full text

Cerebrovascular reactivity in cerebral amyloid angiopathy, Alzheimer disease, and mild cognitive impairment by Switzer, Aaron R., Cheema, Ikreet, McCreary, Cheryl R., Zwiers, Angela, Charlton, Anna, Alvarez-Veronesi, Ana, Sekhon, Ramnik, Zerna, Charlotte, Stafford, Randall B., Frayne, Richard, Goodyear, Bradley G., Smith, Eric E.

“…OBJECTIVETo assess cerebrovascular reactivity in response to a visual task in participants with cerebral amyloid angiopathy (CAA), Alzheimer disease (AD), and…”
Get full text

Age-related differences in cerebral blood flow and cortical thickness with an application to age prediction by MacDonald, M. Ethan, Williams, Rebecca J., Rajashekar, Deepthi, Stafford, Randall B., Hanganu, Alexadru, Sun, Hongfu, Berman, Avery J.L., McCreary, Cheryl R., Frayne, Richard, Forkert, Nils D., Pike, G. Bruce

“…Cerebral cortex thinning and cerebral blood flow (CBF) reduction are typically observed during normal healthy aging. However, imaging-based age prediction…”
Get full text

Perfusion has no effect on the in vivo CEST effect from Cr (CrCEST) in skeletal muscle by Kogan, Feliks, Stafford, Randall B., Englund, Erin K., Gold, Garry E., Hariharan, Hari, Detre, John A., Reddy, Ravinder

“…Creatine, a key component of muscle energy metabolism, exhibits a chemical exchange saturation transfer (CEST) effect between its amine group and bulk water,…”
Get full text

Microvascular perfusion based on arterial spin labeled perfusion MRI as a measure of vascular risk in Alzheimer's disease by Zhang, Quan, Stafford, Randall B, Wang, Ze, Arnold, Steven E, Wolk, David A, Detre, John A

“…There is growing recognition of an interaction between cerebrovascular disease and Alzheimer's disease, but the mechanisms of this interaction remain poorly…”
Get more information

3D non-contrast-enhanced MR angiography with balanced steady-state free precession dixon method by Stafford, Randall B., Sabati, Mohammad, Mahallati, Houman, Frayne, Richard

“…Balanced steady‐state free precession (bSSFP) is capable of producing ample fat‐water separation. In the case of the bSSFP Dixon method, the phase between fat…”
Get full text

Accelerated passive MR catheter tracking into the carotid artery of canines by MacDonald, Matthew Ethan, Stafford, Randall B, Yerly, Jérôme, Andersen, Linda B, McCreary, Cheryl R, Frayne, Richard

“…Abstract Background Using magnetic resonance (MR) imaging for navigating catheters has several advantages when compared with the current “gold standard”…”
Get full text

Unenhanced MR Angiography of the Renal Arteries with Balanced Steady-State Free Precession Dixon Method by Stafford, Randall B, Sabati, Mohammad, Haakstad, Michael J, Mahallati, Houman, Frayne, Richard

“…The purpose of this study was to evaluate the feasibility of a novel technique for fat-water separation to image the renal arteries without using a contrast…”
Get full text

An actively decoupled dual transceiver coil system for continuous ASL at 7 T by Stafford, Randall B., Woo, Myung-Kyun, Oh, Se-Hong, Dolui, Sudipto, Zhao, Tiejun, Kim, Young-Bo, Detre, John A., Cho, Zang-Hee, Lee, Jongho

“…ABSTRACT 7 T arterial spin labeling (ASL) faces major challenges including the increased specific absorption rate (SAR) and increased B0 and B1 inhomogeneity…”
Get full text

Magnetization evolution in balanced steady-state free precession with continuously moving table by Stafford, Randall B, Sabati, Mohammad, Mahallati, Houman, Frayne, Richard

“…Diagnostic imaging of systemic disorders, such as peripheral vascular diseases, requires a field-of-view (FOV) larger than the local FOV available on clinical…”
Get more information

An actively decoupled dual transceiver coil system for continuous ASL at 7 T: An Actively Decoupled Dual Transceiver Coil System by Stafford, Randall B., Woo, Myung-Kyun, Oh, Se-Hong, Dolui, Sudipto, Zhao, Tiejun, Kim, Young-Bo, Detre, John A., Cho, Zang-Hee, Lee, Jongho

Get full text