Search Results - "Welch, Brian E."

Trajectory optimized NUFFT: Faster non‐Cartesian MRI reconstruction through prior knowledge and parallel architectures by Smith, David S., Sengupta, Saikat, Smith, Seth A., Brian Welch, E.

“…Purpose The non‐uniform fast Fourier transform (NUFFT) involves interpolation of non‐uniformly sampled Fourier data onto a Cartesian grid, an interpolation…”
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Untangling the R2 contrast in multiple sclerosis: A combined MRI-histology study at 7.0 Tesla by Bagnato, Francesca, Hametner, Simon, Boyd, Emma, Endmayr, Verena, Shi, Yaping, Ikonomidou, Vasiliki, Chen, Guanhua, Pawate, Siddharama, Lassmann, Hans, Smith, Seth, Welch, E Brian

“…T2*-weighted multi-echo gradient-echo magnetic resonance imaging and its reciprocal R2* are used in brain imaging due to their sensitivity to iron content. In…”
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Portable, bedside, low-field magnetic resonance imaging for evaluation of intracerebral hemorrhage by Mazurek, Mercy H., Cahn, Bradley A., Yuen, Matthew M., Prabhat, Anjali M., Chavva, Isha R., Shah, Jill T., Crawford, Anna L., Welch, E. Brian, Rothberg, Jonathan, Sacolick, Laura, Poole, Michael, Wira, Charles, Matouk, Charles C., Ward, Adrienne, Timario, Nona, Leasure, Audrey, Beekman, Rachel, Peng, Teng J., Witsch, Jens, Antonios, Joseph P., Falcone, Guido J., Gobeske, Kevin T., Petersen, Nils, Schindler, Joseph, Sansing, Lauren, Gilmore, Emily J., Hwang, David Y., Kim, Jennifer A., Malhotra, Ajay, Sze, Gordon, Rosen, Matthew S., Kimberly, W. Taylor, Sheth, Kevin N.

“…Radiological examination of the brain is a critical determinant of stroke care pathways. Accessible neuroimaging is essential to detect the presence of…”
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Characterizing active and inactive brown adipose tissue in adult humans using PET-CT and MR imaging by Gifford, Aliya, Towse, Theodore F, Walker, Ronald C, Avison, Malcolm J, Welch, E Brian

“…Activated brown adipose tissue (BAT) plays an important role in thermogenesis and whole body metabolism in mammals. Positron emission tomography (PET)-computed…”
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Development of a mobile low-field MRI scanner by Deoni, Sean C. L., Medeiros, Paul, Deoni, Alexandra T., Burton, Phoebe, Beauchemin, Jennifer, D’Sa, Viren, Boskamp, Eddy, By, Samantha, McNulty, Chris, Mileski, William, Welch, Brian E., Huentelman, Matthew

“…Magnetic resonance imaging (MRI) allows important visualization of the brain and central nervous system anatomy and organization. However, unlike…”
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Multisite, multivendor validation of the accuracy and reproducibility of proton‐density fat‐fraction quantification at 1.5T and 3T using a fat–water phantom by Hernando, Diego, Sharma, Samir D., Aliyari Ghasabeh, Mounes, Alvis, Bret D., Arora, Sandeep S., Hamilton, Gavin, Pan, Li, Shaffer, Jean M., Sofue, Keitaro, Szeverenyi, Nikolaus M., Welch, E. Brian, Yuan, Qing, Bashir, Mustafa R., Kamel, Ihab R., Rice, Mark J., Sirlin, Claude B., Yokoo, Takeshi, Reeder, Scott B.

“…Purpose To evaluate the accuracy and reproducibility of quantitative chemical shift‐encoded (CSE) MRI to quantify proton‐density fat‐fraction (PDFF) in a…”
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Bedside detection of intracranial midline shift using portable magnetic resonance imaging by Sheth, Kevin N., Yuen, Matthew M., Mazurek, Mercy H., Cahn, Bradley A., Prabhat, Anjali M., Salehi, Sadegh, Shah, Jill T., By, Samantha, Welch, E. Brian, Sofka, Michal, Sacolick, Laura I., Kim, Jennifer A., Payabvash, Seyedmehdi, Falcone, Guido J., Gilmore, Emily J., Hwang, David Y., Matouk, Charles, Gordon-Kundu, Barbara, RN, Adrienne Ward, Petersen, Nils, Schindler, Joseph, Gobeske, Kevin T., Sansing, Lauren H., Sze, Gordon, Rosen, Matthew S., Kimberly, W. Taylor, Kundu, Prantik

“…Neuroimaging is crucial for assessing mass effect in brain-injured patients. Transport to an imaging suite, however, is challenging for critically ill…”
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Cold exposure induces dynamic, heterogeneous alterations in human brown adipose tissue lipid content by Coolbaugh, Crystal L., Damon, Bruce M., Bush, Emily C., Welch, E. Brian, Towse, Theodore F.

“…Brown adipose tissue undergoes a dynamic, heterogeneous response to cold exposure that can include the simultaneous synthesis, uptake, and oxidation of fatty…”
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Prospective real-time head motion correction using inductively coupled wireless NMR probes by Sengupta, Saikat, Tadanki, Sasidhar, Gore, John C., Welch, E. Brian

“…Purpose Head motion continues to be a major source of artifacts and data quality degradation in MRI. The goal of this work was to develop and demonstrate a…”
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Real-Time Compressive Sensing MRI Reconstruction Using GPU Computing and Split Bregman Methods by Smith, David S., Gore, John C., Yankeelov, Thomas E., Welch, E. Brian

“…Compressive sensing (CS) has been shown to enable dramatic acceleration of MRI acquisition in some applications. Being an iterative reconstruction technique,…”
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High-resolution 7T MRI of the human hippocampus in vivo by Thomas, Bradley P., Welch, E. Brian, Niederhauser, Blake D., Whetsell Jr, William O., Anderson, Adam W., Gore, John C., Avison, Malcolm J., Creasy, Jeffrey L.

“…Purpose To describe an initial experience imaging the human hippocampus in vivo using a 7T magnetic resonance (MR) scanner and a protocol developed for very…”
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An Individualized, Perception-Based Protocol to Investigate Human Physiological Responses to Cooling by Coolbaugh, Crystal L, Bush, Emily C, Galenti, Elizabeth S, Welch, E Brian, Towse, Theodore F

“…Cold exposure, a known stimulant of the thermogenic effects of brown adipose tissue (BAT), is the most widely used method to study BAT physiology in adult…”
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Statistical comparison of dynamic contrast-enhanced MRI pharmacokinetic models in human breast cancer by Li, Xia, Welch, E. Brian, Chakravarthy, A. Bapsi, Xu, Lei, Arlinghaus, Lori R., Farley, Jaime, Mayer, Ingrid A., Kelley, Mark C., Meszoely, Ingrid M., Means-Powell, Julie, Abramson, Vandana G., Grau, Ana M., Gore, John C., Yankeelov, Thomas E.

“…By fitting dynamic contrast‐enhanced MRI data to an appropriate pharmacokinetic model, quantitative physiological parameters can be estimated. In this study,…”
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Canine body composition quantification using 3 tesla fat-water MRI by Gifford, Aliya, Kullberg, Joel, Berglund, Johan, Malmberg, Filip, Coate, Katie C., Williams, Phillip E., Cherrington, Alan D., Avison, Malcolm J., Welch, E. Brian

“…Purpose To test the hypothesis that a whole‐body fat–water MRI (FWMRI) protocol acquired at 3 Tesla combined with semi‐automated image analysis techniques…”
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On the relationship between the apparent diffusion coefficient and extravascular extracellular volume fraction in human breast cancer by Arlinghaus, Lori R, Li, Xia, Rahman, A. Ridwan, Welch, E. Brian, Xu, Lei, Gore, John C, Yankeelov, Thomas E

“…Abstract MRI techniques have been developed that can noninvasively probe the apparent diffusion coefficient (ADC) of water via diffusion-weighted MRI (DW-MRI)…”
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MR fingerprinting with simultaneous T 1 , T 2 , and fat signal fraction estimation with integrated B 0 correction reduces bias in water T 1 and T 2 estimates by Ostenson, Jason, Damon, Bruce M, Welch, E Brian

“…MR fingerprinting (MRF) sequences permit efficient T and T estimation in cranial and extracranial regions, but these areas may include substantial fat signals…”
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Potential of compressed sensing in quantitative MR imaging of cancer by Smith, David S, Li, Xia, Abramson, Richard G, Quarles, C Chad, Yankeelov, Thomas E, Welch, E Brian

“…Classic signal processing theory dictates that, in order to faithfully reconstruct a band-limited signal (e.g., an image), the sampling rate must be at least…”
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DCEMRI.jl: a fast, validated, open source toolkit for dynamic contrast enhanced MRI analysis by Smith, David S, Li, Xia, Arlinghaus, Lori R, Yankeelov, Thomas E, Welch, E Brian

“…We present a fast, validated, open-source toolkit for processing dynamic contrast enhanced magnetic resonance imaging (DCE-MRI) data. We validate it against…”
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Temporal sampling requirements for reference region modeling of DCE-MRI data in human breast cancer by Planey, Catherine R., Welch, E. Brian, Xu, Lei, Chakravarthy, A. Bapsi, Gatenby, J. Christopher, Freehardt, Darla, Mayer, Ingrid, Meszeoly, Ingrid, Kelley, Mark, Means-Powell, Julie, Gore, John C., Yankeelov, Thomas E.

“…Purpose To assess the temporal sampling requirements needed for quantitative analysis of dynamic contrast‐enhanced MRI (DCE‐MRI) data with a reference region…”
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Imaging methods for analyzing body composition in human obesity and cardiometabolic disease by Seabolt, Lynn A., Welch, E. Brian, Silver, Heidi J.

“…Advances in the technological qualities of imaging modalities for assessing human body composition have been stimulated by accumulating evidence that…”
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