Search Results - "Zaharchuk, Greg"

Arterial Spin–Labeled Perfusion Imaging in Acute Ischemic Stroke by Zaharchuk, Greg

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Artificial Intelligence for Optimization and Interpretation of PET/CT and PET/MR Images by Zaharchuk, Greg, Davidzon, Guido

“…Artificial intelligence (AI) has recently attracted much attention for its potential use in healthcare applications. The use of AI to improve and extract more…”
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Deep learning enables automatic detection and segmentation of brain metastases on multisequence MRI by Grøvik, Endre, Yi, Darvin, Iv, Michael, Tong, Elizabeth, Rubin, Daniel, Zaharchuk, Greg

“…Background Detecting and segmenting brain metastases is a tedious and time‐consuming task for many radiologists, particularly with the growing use of…”
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Arterial Spin Labeling Perfusion of the Brain: Emerging Clinical Applications by Haller, Sven, Zaharchuk, Greg, Thomas, David L, Lovblad, Karl-Olof, Barkhof, Frederik, Golay, Xavier

“…Arterial spin labeling (ASL) is a magnetic resonance (MR) imaging technique used to assess cerebral blood flow noninvasively by magnetically labeling inflowing…”
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COVID-19-induced anosmia associated with olfactory bulb atrophy by Chiu, Andrew, Fischbein, Nancy, Wintermark, Max, Zaharchuk, Greg, Yun, Paul T., Zeineh, Michael

“…As the global COVID-19 pandemic evolves, our knowledge of the respiratory and non-respiratory symptoms continues to grow. One such symptom, anosmia, may be a…”
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Arterial spin labeling MRI: Clinical applications in the brain by Telischak, Nicholas A., Detre, John A., Zaharchuk, Greg

“…Visualization of cerebral blood flow (CBF) has become an important part of neuroimaging for a wide range of diseases. Arterial spin labeling (ASL) perfusion…”
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Quantitative susceptibility mapping using deep neural network: QSMnet by Yoon, Jaeyeon, Gong, Enhao, Chatnuntawech, Itthi, Bilgic, Berkin, Lee, Jingu, Jung, Woojin, Ko, Jingyu, Jung, Hosan, Setsompop, Kawin, Zaharchuk, Greg, Kim, Eung Yeop, Pauly, John, Lee, Jongho

“…Deep neural networks have demonstrated promising potential for the field of medical image reconstruction, successfully generating high quality images for CT,…”
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Applications of Deep Learning to Neuro-Imaging Techniques by Zhu, Guangming, Jiang, Bin, Tong, Liz, Xie, Yuan, Zaharchuk, Greg, Wintermark, Max

“…Many clinical applications based on deep learning and pertaining to radiology have been proposed and studied in radiology for classification, risk assessment,…”
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Recommended implementation of arterial spin-labeled perfusion MRI for clinical applications: A consensus of the ISMRM perfusion study group and the European consortium for ASL in dementia by Alsop, David C., Detre, John A., Golay, Xavier, Günther, Matthias, Hendrikse, Jeroen, Hernandez-Garcia, Luis, Lu, Hanzhang, MacIntosh, Bradley J., Parkes, Laura M., Smits, Marion, van Osch, Matthias J. P., Wang, Danny J. J., Wong, Eric C., Zaharchuk, Greg

“…This review provides a summary statement of recommended implementations of arterial spin labeling (ASL) for clinical applications. It is a consensus of the…”
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Use of Gradient Boosting Machine Learning to Predict Patient Outcome in Acute Ischemic Stroke on the Basis of Imaging, Demographic, and Clinical Information by Xie, Yuan, Jiang, Bin, Gong, Enhao, Li, Ying, Zhu, Guangming, Michel, Patrik, Wintermark, Max, Zaharchuk, Greg

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Glioblastoma multiforme: exploratory radiogenomic analysis by using quantitative image features by Gevaert, Olivier, Mitchell, Lex A, Achrol, Achal S, Xu, Jiajing, Echegaray, Sebastian, Steinberg, Gary K, Cheshier, Samuel H, Napel, Sandy, Zaharchuk, Greg, Plevritis, Sylvia K

“…To derive quantitative image features from magnetic resonance (MR) images that characterize the radiographic phenotype of glioblastoma multiforme (GBM) lesions…”
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Deep flow-net for EPI distortion estimation by Zahneisen, Benjamin, Baeumler, Kathrin, Zaharchuk, Greg, Fleischmann, Dominik, Zeineh, Michael

“…Geometric distortions along the phase encoding direction caused by off-resonant spins are a major issue in EPI based functional and diffusion imaging. The…”
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Quantification of brain oxygen extraction and metabolism with [15O]-gas PET: A technical review in the era of PET/MRI by Fan, Audrey P., An, Hongyu, Moradi, Farshad, Rosenberg, Jarrett, Ishii, Yosuke, Nariai, Tadashi, Okazawa, Hidehiko, Zaharchuk, Greg

“…Oxygen extraction fraction (OEF) and the cerebral metabolic rate of oxygen (CMRO2) are key cerebral physiological parameters to identify at-risk…”
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Generalization of deep learning models for ultra-low-count amyloid PET/MRI using transfer learning by Chen, Kevin T., Schürer, Matti, Ouyang, Jiahong, Koran, Mary Ellen I., Davidzon, Guido, Mormino, Elizabeth, Tiepolt, Solveig, Hoffmann, Karl-Titus, Sabri, Osama, Zaharchuk, Greg, Barthel, Henryk

“…Purpose We aimed to evaluate the performance of deep learning-based generalization of ultra-low-count amyloid PET/MRI enhancement when applied to studies…”
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Arterial Spin Label Imaging of Acute Ischemic Stroke and Transient Ischemic Attack by Zaharchuk, Greg, PhD, MD

“…Since acute stroke and transient ischemic attack (TIA) are disruptions of brain hemodynamics, perfusion neuroimaging might be of clinical utility. Recently,…”
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Collateral status contributes to differences between observed and predicted 24-h infarct volumes in DEFUSE 3 by Rao, Vaishnavi L, Mlynash, Michael, Christensen, Søren, Yennu, Amarnath, Kemp, Stephanie, Zaharchuk, Greg, Heit, Jeremy J, Marks, Michael P, Lansberg, Maarten G, Albers, Gregory W

“…We previously demonstrated that in the DEFUSE 3 trial, the union of the baseline core and the 24-h Tmax > 6 s perfusion lesion predicts the infarct volume at…”
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Elevated brain oxygen extraction fraction measured by MRI susceptibility relates to perfusion status in acute ischemic stroke by Fan, Audrey P, Khalil, Ahmed A, Fiebach, Jochen B, Zaharchuk, Greg, Villringer, Arno, Villringer, Kersten, Gauthier, Claudine J

“…Recent clinical trials of new revascularization therapies in acute ischemic stroke have highlighted the importance of physiological imaging to identify optimal…”
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Arterial Spin Labeling for Acute Stroke: Practical Considerations by Zaharchuk, Greg

“…Arterial spin labeling (ASL) is a non-contrast method of measuring cerebral perfusion with MRI. It has several advantages over traditional contrast-based…”
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Computed tomographic perfusion to Predict Response to Recanalization in ischemic stroke by Lansberg, Maarten G., Christensen, Soren, Kemp, Stephanie, Mlynash, Michael, Mishra, Nishant, Federau, Christian, Tsai, Jenny P., Kim, Sun, Nogueria, Raul G., Jovin, Tudor, Devlin, Thomas G., Akhtar, Naveed, Yavagal, Dileep R., Haussen, Diogo, Dehkharghani, Seena, Bammer, Roland, Straka, Matus, Zaharchuk, Greg, Marks, Michael P., Albers, Gregory W.

“…Objective To assess the utility of computed tomographic (CT) perfusion for selection of patients for endovascular therapy up to 18 hours after symptom onset…”
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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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