Search Results - "Ellermann, J."

Articular osteochondrosis: a comparison of naturally-occurring human and animal disease by McCoy, A.M, Toth, F, Dolvik, N.I, Ekman, S, Ellermann, J, Olstad, K, Ytrehus, B, Carlson, C.S

“…Summary Background Osteochondrosis (OC) is a common developmental orthopedic disease affecting both humans and animals. Despite increasing recognition of this…”
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Quantitative T2 and T1ρ mapping are sensitive to ischemic injury to the epiphyseal cartilage in an in vivo piglet model of Legg-Calvé-Perthes disease by Armstrong, A.R., Bhave, S., Buko, E.O., Chase, K.L., Tóth, F., Carlson, C.S., Ellermann, J.M., Kim, H.K.W., Johnson, C.P.

“…To determine if the quantitative MRI techniques T2 and T1ρ mapping are sensitive to ischemic injury to epiphyseal cartilage in vivo in a piglet model of…”
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Biochemical cartilage alteration and unexpected signal recovery in T2 mapping observed in ankle joints with mobile MRI during a transcontinental multistage footrace over 4486 km by Schütz, U.H.W, Ellermann, J, Schoss, D, Wiedelbach, H, Beer, M, Billich, C

“…Summary Objective The effect of ultra-long distance running on the ankle cartilage with regard to biochemical changes, thickness and lesions is examined in the…”
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Surgical induction, histological evaluation, and MRI identification of cartilage necrosis in the distal femur in goats to model early lesions of osteochondrosis by Tóth, F, Nissi, M.J, Wang, L, Ellermann, J.M, Carlson, C.S

“…Summary Objective Identify and interrupt the vascular supply to portions of the distal femoral articular-epiphyseal cartilage complex (AECC) in goat kids to…”
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MRI evaluation of articular cartilage in patients with juvenile osteochondritis dissecans (JOCD) using T2∗ mapping at 3T by Ludwig, K.D., Johnson, C.P., Zbýň, Š., Nowacki, A., Marette, S., Takahashi, T., Macalena, J.A., Nelson, B.J., Tompkins, M.A., Carlson, C.S., Ellermann, J.M.

“…Evaluate articular cartilage by magnetic resonance imaging (MRI) T2∗ mapping within the distal femur and proximal tibia in adolescents with juvenile…”
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Capturing fast relaxing spins with SWIFT adiabatic rotating frame spin-lattice relaxation (T1ρ) mapping by Zhang, J., Nissi, M.J., Idiyatullin, D., Michaeli, S., Garwood, M., Ellermann, J.

“…Rotating frame spin–lattice relaxation, with the characteristic time constant T1ρ, provides a means to access motion‐restricted (slow) spin dynamics in MRI. As…”
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Functional brain mapping by blood oxygenation level-dependent contrast magnetic resonance imaging. A comparison of signal characteristics with a biophysical model by Ogawa, S., Menon, R.S., Tank, D.W., Kim, S.G., Merkle, H., Ellermann, J.M., Ugurbil, K.

“…It recently has been demonstrated that magnetic resonance imaging can be used to map changes in brain hemodynamics produced by human mental operations. One…”
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Simultaneous bilateral hip joint imaging at 7 Tesla using fast transmit B1 shimming methods and multichannel transmission - a feasibility study by Ellermann, J., Goerke, U., Morgan, P., Ugurbil, K., Tian, J., Schmitter, S., Vaughan, T., Van De Moortele, P.-F.

“…The objective of this study was to demonstrate the feasibility of simultaneous bilateral hip imaging at 7 Tesla. Hip joint MRI becomes clinically critical…”
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Intrinsic Signal Changes Accompanying Sensory Stimulation: Functional Brain Mapping with Magnetic Resonance Imaging by Ogawa, Seiji, Tank, David W., Menon, Ravi, Ellermann, Jutta M., Kim, Seong-Gi, Merkle, Hellmut, Ugurbil, Kamil

“…We report that visual stimulation produces an easily detectable (5-20%) transient increase in the intensity of water proton magnetic resonance signals in human…”
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MR Imaging with T2- mapping for improved acetabular cartilage assessment in FAI–a case report with arthroscopic correlation by Morgan, P, Spiridonov, S, Goebel, R, Nissi, M, Frei, R, Ellermann, J

“…Abstract Articular cartilage assessment in femoroacetabular impingement (FAI) is challenging. Recent studies on T2* relaxation time mapping suggest the…”
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Functional Magnetic Resonance Imaging of Motor Cortex: Hemispheric Asymmetry and Handedness by Kim, Seong-Gi, Ashe, James, Hendrich, Kristy, Ellermann, Jutta M., Merkle, Hellmut, Uğurbil, Kâmil, Georgopoulos, Apostolos P.

“…A hemispheric asymmetry in the functional activation of the human motor cortex during contralateral (C) and ipsilateral (I) finger movements, especially in…”
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Functional imaging of human motor cortex at high magnetic field by Kim, S G, Ashe, J, Georgopoulos, A P, Merkle, H, Ellermann, J M, Menon, R S, Ogawa, S, Ugurbil, K

“…1. We used conventional gradient echo magnetic resonance imaging (MRI) at high field strength (4 Tesla) to functionally image the right motor cortex in six…”
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Clinical Application of Ultrahigh-Field-Strength Wrist MRI: A Multireader 3-T and 7-T Comparison Study by Heiss, Rafael, Weber, Marc-André, Balbach, Eva, Schmitt, Rainer, Rehnitz, Christoph, Laqmani, Azien, Sternberg, Andreas, Ellermann, Jutta J, Nagel, Armin M, Ladd, Mark E, Englbrecht, Matthias, Arkudas, Andreas, Horch, Raymund, Guermazi, Ali, Uder, Michael, Roemer, Frank W

“…Background Ultrahigh-field-strength MRI at 7 T may permit superior visualization of noninflammatory wrist pathologic conditions, particularly due to its high…”
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Contrast-enhanced first pass myocardial perfusion imaging: correlation between myocardial blood flow in dogs at rest and during hyperemia by Wilke, N, Simm, C, Zhang, J, Ellermann, J, Ya, X, Merkle, H, Path, G, Lüdemann, H, Bache, R J, Uğurbil, K

“…The sensitivity of contrast-enhanced MR first pass perfusion imaging in detection and quantification of hypoperfused myocardium was evaluated using an…”
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Dynamic Mapping of the Human Visual Cortex by High-Speed Magnetic Resonance Imaging by Blamire, Andrew M., Ogawa, Seiji, Ugurbil, Kamil, Rothman, Douglas, McCarthy, Gregory, Ellermann, Jutta M., Hyder, Fahmeed, Rattner, Zachary, Schulman, Robert G.

“…We report the use of high-speed magnetic resonance imaging to follow the changes in image intensity in the human visual cortex during stimulation by a flashing…”
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Reduced cellular toxicity of a new silver-containing antimicrobial dressing and clinical performance in non-healing wounds by Ziegler, K, Görl, R, Effing, J, Ellermann, J, Mappes, M, Otten, S, Kapp, H, Zoellner, P, Spaeth, D, Smola, H

“…Bacterial colonisation of wounds may delay wound healing. Modern silver-containing dressings are antimicrobial, yet cellular toxicity is a serious side-effect…”
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Imaging at high magnetic fields: initial experiences at 4 T by Uğurbil, K, Garwood, M, Ellermann, J, Hendrich, K, Hinke, R, Hu, X, Kim, S G, Menon, R, Merkle, H, Ogawa, S

“…This article reviews the preliminary experiences and the results obtained on the human brain at 4 T at the University of Minnesota. Anatomical and functional…”
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Functional brain mapping using magnetic resonance imaging. Signal changes accompanying visual stimulation by Menon, R S, Ogawa, S, Kim, S G, Ellermann, J M, Merkle, H, Tank, D W, Ugurbil, K

“…Easily detectable (5%-20%) transient increases in the intensity of water proton magnetic resonance (MR) signals in human primary visual cortex were observed…”
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A multi-institute automated segmentation evaluation on a standard dataset: Findings from the international workshop on osteoarthritis imaging segmentation challenge by Desai, A., Caliva, F., Iriondo, C., Khosravan, N., Mortazi, A., Jambawalikar, S., Torigian, D., Ellermann, J., Akcakaya, M., Bagci, U., Tibrewala, R., Flament, I., O'Brian, M., Majumdar, S., Perslev, M., Pai, A., Igel, C., Dam, E., Gaj, S., Yang, M., Nakamura, K., Li, X., Deniz, C., Juras, V., Regatte, R., Gold, G., Hargreaves, B., Pedoia, V., Chaudhari, A.

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Activation of Visuomotor Systems during Visually Guided Movements: A Functional MRI Study by Ellermann, Jutta M., Siegal, Joel D., Strupp, John P., Ebner, Timothy J., Ugurbil, Kâmil

“…The dorsal stream is a dominant visuomotor pathway that connects the striate and extrastriate cortices to posterior parietal areas. In turn, the posterior…”
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