Search Results - "Vogel, Mika W."

B1 mapping by Bloch-Siegert shift by Sacolick, Laura I., Wiesinger, Florian, Hancu, Ileana, Vogel, Mika W.

“…A novel method for amplitude of radiofrequency field (B 1+) mapping based on the Bloch‐Siegert shift is presented. Unlike conventionally applied double‐angle…”
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From signal-based to comprehensive magnetic resonance imaging by Kotek, Gyula, Nunez-Gonzalez, Laura, Vogel, Mika W., Krestin, Gabriel P., Poot, Dirk H. J., Hernandez-Tamames, Juan A.

“…We present and evaluate a new insight into magnetic resonance imaging (MRI). It is based on the algebraic description of the magnetization during the transient…”
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Small-tip-angle spokes pulse design using interleaved greedy and local optimization methods by Grissom, William A., Khalighi, Mohammad-Mehdi, Sacolick, Laura I., Rutt, Brian K., Vogel, Mika W.

“…Current spokes pulse design methods can be grouped into methods based either on sparse approximation or on iterative local (gradient descent‐based)…”
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Local specific absorption rate in high-pass birdcage and transverse electromagnetic body coils for multiple human body models in clinical landmark positions at 3T by Yeo, Desmond T.B., Wang, Zhangwei, Loew, Wolfgang, Vogel, Mika W., Hancu, Ileana

“…Purpose: To use electromagnetic (EM) simulations to study the effects of body type, landmark position, and radiofrequency (RF) body coil type on peak local…”
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Cloud-processed 4D CMR flow imaging for pulmonary flow quantification by Chelu, Raluca G., MD, Wanambiro, Kevin W., MD, Hsiao, Albert, MD PhD, Swart, Laurens E., MD, Voogd, Teun, RT, van den Hoven, Allard T., BSC, van Kranenburg, Matthijs, MD, Coenen, Adriaan, MD, Boccalini, Sara, MD, Wielopolski, Piotr A., PhD, Vogel, Mika W., PhD, Krestin, Gabriel P., MD, Vasanawala, Shreyas S., MD PhD, Budde, Ricardo P.J., MD PhD, Roos-Hesselink, Jolien W., MD PhD, Niema, Koen, MD PhD

“…Highlights • With 4D flow, any plane of interest can be interactively chosen for quantitative measurements. • Anatomical and flow data is obtained during an…”
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K-space trajectories in 3D-GRASE sequence for high resolution structural imaging by Cristobal-Huerta, Alexandra, Poot, Dirk H.J., Vogel, Mika W., Krestin, Gabriel P., Hernandez-Tamames, Juan A.

“…To propose and evaluate new k-space trajectories for 3D-GRASE to improve scan time over 3D-FSE/TSE for high resolution structural imaging. Five different…”
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Nonuniform and multidimensional Shinnar-Le Roux RF pulse design method by Grissom, William A., McKinnon, Graeme C., Vogel, Mika W.

“…The Shinnar‐Le Roux (SLR) radiofrequency (RF) pulse design algorithm is widely used for designing slice‐selective RF pulses due to its intuitiveness,…”
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Fast radiofrequency flip angle calibration by Bloch-Siegert shift by Sacolick, Laura I., Sun, Ling, Vogel, Mika W., Dixon, W. Thomas, Hancu, Ileana

“…In a recent work, we presented a novel method for B 1+ field mapping based on the Bloch–Siegert shift. Here, we apply this method to automated fast…”
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Use of fast spin echo for phase shift magnetic resonance thermometry by Vogel, Mika W., Pattynama, Peter M.T., Lethimonnier, Franck L., Le Roux, Patrick

“…Purpose To propose a modified fast spin echo (FSE) magnetic resonance imaging sequence for MR thermometry, employing the proton resonance frequency (PRF) shift…”
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Efficacy of passive acoustic screening: Implications for the design of imager and MR-suite by Moelker, Adriaan, Vogel, Mika W., Pattynama, Peter M. T.

“…Purpose To investigate the efficacy of passive acoustic screening in the magnetic resonance (MR) environment by reducing direct and indirect MR‐related…”
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Design of phase-modulated broadband refocusing pulses by Schulte, Rolf F., Le Roux, Patrick, Vogel, Mika W., Koenig, Hartmut

“…Broadband linear-phase refocusing pulses were designed with the Shinnar–Le Roux (SLR) transformation and verified experimentally. The design works in several…”
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Spiral imaging artifact reduction: A comparison of two k-trajectory measurement methods by Lechner, Silke M., Sipilä, Pekka T., Wiesinger, Florian, Kerr, Adam B., Vogel, Mika W.

“…Purpose To compare an external sensor‐based k‐space calibration technique with a routine precalibration method for quantification of method accuracy and…”
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B 1 mapping by Bloch‐Siegert shift by Sacolick, Laura I., Wiesinger, Florian, Hancu, Ileana, Vogel, Mika W.

“…Abstract A novel method for amplitude of radiofrequency field ( B ) mapping based on the Bloch‐Siegert shift is presented. Unlike conventionally applied…”
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Importance of bone-conducted sound transmission on patient hearing in the MR scanner by Moelker, Adriaan, Maas, Ronald A.J.J., Vogel, Mika W., Ouhlous, Mohamed, Pattynama, Peter M.T.

“…Purpose to evaluate the influence of bone‐conduction in the MR environment compared to a standardized acoustic environment. Materials and Methods Acoustic…”
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Monitoring Tissue Coagulation During Thermoablative Treatment by Using a Novel Magnetic Resonance Imaging Contrast Agent by Vogel, Mika W, Entius, Cornelius A. C, Pattynama, Peter M. T

“…INTRODUCTION:We tested the feasibility of using a novel contrast agent, MS-325, as a marker of coagulating tissue during thermoablative treatment. MATERIALS…”
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Local SAR in High Pass Birdcage and TEM Body Coils for Multiple Human Body Models in Clinical Landmark Positions at 3T by Yeo, Desmond TB, Wang, Zhangwei, Loew, Wolfgang, Vogel, Mika W, Hancu, Ileana

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