Search Results - "Bolar, Divya S."

Velocity‐selective arterial spin labeling perfusion MRI: A review of the state of the art and recommendations for clinical implementation by Qin, Qin, Alsop, David C., Bolar, Divya S., Hernandez‐Garcia, Luis, Meakin, James, Liu, Dapeng, Nayak, Krishna S., Schmid, Sophie, Osch, Matthias J. P., Wong, Eric C., Woods, Joseph G., Zaharchuk, Greg, Zhao, Moss Y., Zun, Zungho, Guo, Jia

“…This review article provides an overview of the current status of velocity‐selective arterial spin labeling (VSASL) perfusion MRI and is part of a wider effort…”
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Current state and guidance on arterial spin labeling perfusion MRI in clinical neuroimaging by Lindner, Thomas, Bolar, Divya S, Achten, Eric, Barkhof, Frederik, Bastos-Leite, António J, Detre, John A, Golay, Xavier, Günther, Matthias, Wang, Danny J J, Haller, Sven, Ingala, Silvia, Jäger, Hans R, Jahng, Geon-Ho, Juttukonda, Meher R, Keil, Vera C, Kimura, Hirohiko, Ho, Mai-Lan, Lequin, Maarten, Lou, Xin, Petr, Jan, Pinter, Nandor, Pizzini, Francesca B, Smits, Marion, Sokolska, Magdalena, Zaharchuk, Greg, Mutsaerts, Henk J M M

“…This article focuses on clinical applications of arterial spin labeling (ASL) and is part of a wider effort from the International Society for Magnetic…”
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Recent Technical Developments in ASL: A Review of the State of the Art by Hernandez-Garcia, Luis, Aramendía-Vidaurreta, Verónica, Bolar, Divya S, Dai, Weiying, Fernández-Seara, Maria A, Guo, Jia, Madhuranthakam, Ananth J, Mutsaerts, Henk, Petr, Jan, Qin, Qin, Schollenberger, Jonas, Suzuki, Yuriko, Taso, Manuel, Thomas, David L, van Osch, Matthias J P, Woods, Joseph, Zhao, Moss Y, Yan, Lirong, Wang, Ze, Zhao, Li, Okell, Thomas W

“…This review article provides an overview of a range of recent technical developments in advanced arterial spin labeling (ASL) methods that have been developed…”
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VESPA ASL: VElocity and SPAtially Selective Arterial Spin Labeling by Woods, Joseph G., Wong, Eric C., Boyd, Emma C., Bolar, Divya S.

“…Purpose Spatially selective arterial spin labeling (ASL) perfusion MRI is sensitive to arterial transit times (ATT) that can result in inaccurate perfusion…”
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Phase-based regional oxygen metabolism (PROM) using MRI by Fan, Audrey P., Benner, Thomas, Bolar, Divya S., Rosen, Bruce R., Adalsteinsson, Elfar

“…Venous oxygen saturation (Yv) in cerebral veins and the cerebral metabolic rate of oxygen (CMRO2) are important indicators for brain function and disease…”
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Clinical utility of arterial spin labeling perfusion images in the emergency department for the work-up of stroke-like symptoms by Buch, Karen, Hakimelahi, Reza, Locascio, Joseph J., Bolar, Divya S., Gonzalez, R. Giliberto, Schaefer, Pamela W.

“…Purpose To assess the utility of ASL in evaluating patients presenting to the ED with stroke-like symptoms. Methods ASL and DWI images from 526 consecutive…”
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Cerebral perfusion in posterior reversible encephalopathy syndrome measured with arterial spin labeling MRI by Fazeli, Soudabeh, Noorbakhsh, Abraham, Imbesi, Steven G., Bolar, Divya S.

“…•Cerebral hyperperfusion was found in 13/20 patients with PRES by ASL MRI.•A hypoperfusion pattern was not identified in any patients.•HTN-induced…”
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Arterial spin labeled perfusion MRI for the assessment of radiation-treated meningiomas by Manning, Paul, Srinivas, Shanmukha, Bolar, Divya S, Rajaratnam, Matthew K, Piccioni, David E, McDonald, Carrie R, Hattangadi-Gluth, Jona A, Farid, Nikdokht

“…Conventional contrast-enhanced MRI is currently the primary imaging technique used to evaluate radiation treatment response in meningiomas. However, newer…”
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Pulmonary Blood Flow Heterogeneity during Hypoxia and High-Altitude Pulmonary Edema by Hopkins, Susan R, Garg, Joy, Bolar, Divya S, Balouch, Jamal, Levin, David L

“…Uneven hypoxic pulmonary vasoconstriction has been proposed to expose parts of the pulmonary capillary bed to high pressure and vascular injury in…”
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A generalized signal model for dual‐module velocity‐selective arterial spin labeling by Liu, Thomas T., Chen, Conan, Guo, Jia, Wong, Eric C., Bolar, Divya S.

“…Purpose To develop a generalized signal model for dual‐module velocity‐selective arterial spin labeling (dm‐VSASL) that can integrate arbitrary saturation and…”
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A mathematical model for velocity‐selective arterial spin labeling by Liu, Thomas T., Wong, Eric C., Bolar, Divya S., Chen, Conan, Barnes, Ryan S.

“…Purpose To present a theoretical framework that rigorously defines and analyzes key concepts and quantities for velocity selective arterial spin labeling…”
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Apparent posterior cerebral artery territory perfusion asymmetry on arterial spin labeling MRI is a common non-pathologic finding in patients with a unilateral fetal posterior cerebral artery by Noorbakhsh, Abraham, Farid, Nikdokht, Bolar, Divya S.

“…Purpose To determine the frequency of apparent posterior cerebral artery (PCA) territory asymmetry seen on arterial spin labeling (ASL) imaging in patients…”
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Reduced B0/B1+ sensitivity in velocity‐selective inversion arterial spin labeling using adiabatic refocusing pulses by Bolar, Divya S., Barnes, Ryan A., Chen, Conan, Han, Fei, Pfeuffer, Josef, Liu, Thomas T., Wong, Eric C.

“…Purpose To mitigate the B0/B1+ sensitivity of velocity‐selective inversion (VSI) pulse trains for velocity‐selective arterial spin labeling (VSASL) by…”
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Reduced B 0 /B 1 + sensitivity in velocity-selective inversion arterial spin labeling using adiabatic refocusing pulses by Bolar, Divya S, Barnes, Ryan A, Chen, Conan, Han, Fei, Pfeuffer, Josef, Liu, Thomas T, Wong, Eric C

“…To mitigate the B /B sensitivity of velocity-selective inversion (VSI) pulse trains for velocity-selective arterial spin labeling (VSASL) by implementing…”
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Functional oxygen extraction fraction (OEF) imaging with turbo gradient spin echo QUIXOTIC (Turbo QUIXOTIC) by Stout, Jeffrey N., Adalsteinsson, Elfar, Rosen, Bruce R., Bolar, Divya S.

“…Purpose QUantitative Imaging of eXtraction of Oxygen and TIssue Consumption (QUIXOTIC) is a recent technique that measures voxel‐wise oxygen extraction…”
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Erratum to: Velocity-selective arterial spin labeling perfusion MRI: A review of the state of the art and recommendations for clinical implementation (Magn Reson Med. 2022; 88:1528-1547) by Qin, Qin, Alsop, David C, Bolar, Divya S, Hernandez-Garcia, Luis, Meakin, James, Liu, Dapeng, Nayak, Krishna S, Schmid, Sophie, van Osch, Matthias J P, Wong, Eric C, Woods, Joseph G, Zaharchuk, Greg, Zhao, Moss Y, Zun, Zungho, Guo, Jia

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Erratum to: Velocity‐selective arterial spin labeling perfusion MRI: A review of the state of the art and recommendations for clinical implementation (Magn Reson Med. 2022; 88:1528–1547) by Qin, Qin, Alsop, David C., Bolar, Divya S., Hernandez‐Garcia, Luis, Meakin, James, Liu, Dapeng, Nayak, Krishna S., Schmid, Sophie, Osch, Matthias J. P., Wong, Eric C., Woods, Joseph G., Zaharchuk, Greg, Zhao, Moss Y., Zun, Zungho, Guo, Jia

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Recommendations for quantitative cerebral perfusion MRI using multi-timepoint arterial spin labeling: Acquisition, quantification, and clinical applications by Woods, Joseph G, Achten, Eric, Asllani, Iris, Bolar, Divya S, Dai, Weiying, Detre, John A, Fan, Audrey P, Fernández-Seara, María A, Golay, Xavier, Günther, Matthias, Guo, Jia, Hernandez-Garcia, Luis, Ho, Mai-Lan, Juttukonda, Meher R, Lu, Hanzhang, MacIntosh, Bradley J, Madhuranthakam, Ananth J, Mutsaerts, Henk-Jan, Okell, Thomas W, Parkes, Laura M, Pinter, Nandor, Pinto, Joana, Qin, Qin, Smits, Marion, Suzuki, Yuriko, Thomas, David L, Van Osch, Matthias J P, Wang, Danny J J, Warnert, Esther A H, Zaharchuk, Greg, Zelaya, Fernando, Zhao, Moss, Chappell, Michael A

“…Accurate assessment of cerebral perfusion is vital for understanding the hemodynamic processes involved in various neurological disorders and guiding clinical…”
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Assessing the effects of subject motion on T2 relaxation under spin tagging (TRUST) cerebral oxygenation measurements using volume navigators by Stout, Jeffrey N., Tisdall, M. Dylan, McDaniel, Patrick, Gagoski, Borjan, Bolar, Divya S., Grant, Patricia Ellen, Adalsteinsson, Elfar

“…Purpose Subject motion may cause errors in estimates of blood T2 when using the T2‐relaxation under spin tagging (TRUST) technique on noncompliant subjects…”
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Assessing the effects of subject motion on T 2 relaxation under spin tagging (TRUST) cerebral oxygenation measurements using volume navigators by Stout, Jeffrey N, Tisdall, M Dylan, McDaniel, Patrick, Gagoski, Borjan, Bolar, Divya S, Grant, Patricia Ellen, Adalsteinsson, Elfar

“…Subject motion may cause errors in estimates of blood T when using the T -relaxation under spin tagging (TRUST) technique on noncompliant subjects like…”
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