Simultaneous Assessment of Skeletal Muscle Energetics and Blood Flow During Dynamic Exercise by Interleaved 31P-MRS/1H-MRI [0.03%]
T Jake Samuel,Sandeep K Ganji,Joseph R Goldenberg et al.
T Jake Samuel et al.
Purpose: To simultaneously measure skeletal muscle energetics and blood flow (BF) before, during, and after dynamic plantar flexion exercise (PFE). Method...
Improved Myocardial Sodium Quantification at 7 T Using Interleaved 23Na/1H pTx MRI With Motion and Anatomy-Based B1 Correction [0.03%]
Laurent Ruck,Nico Egger,Benedikt Zobler et al.
Laurent Ruck et al.
Purpose: To improve accuracy and repeatability of myocardial 23Na quantification in cardiac MRI at 7 T by combining retrospective respiratory and cardiac motion correction with a novel anatomy-based B1 bias field correcti...
Shizhuo Li,Bo Zhao,Pengcheng Xu et al.
Shizhuo Li et al.
Purpose: To improve the quantitative accuracy of T 2 $$ {T}_2 $$ mapping in magnetic resonance fingerprinting by introducing the Dual-MRF sequence, which alternates between FISP and PSIF acquisitions, and optimizing...
Reducing Inhomogeneous MT (ihMT) Acquisition Time Using Frequency Alternation at Low Duty Cycle for Single Offset (FALSO) MT Preparations [0.03%]
Gopal Varma,Aaron K Grant,Lucas Soustelle et al.
Gopal Varma et al.
Purpose: To evaluate Frequency Alternation at Low duty cycle for Single Offset (FALSO) as a novel Magnetization Transfer (MT) preparation scheme to increase speed and/or spatial resolution of inhomogeneous MT (ihMT) MRI b...
Optimizing Selective RF Pulses for Enhanced Signal Stability in Turbo Spin Echo Using a Differentiable Extended Phase Graph Model [0.03%]
基于可微扩展相位图模型的涡旋自旋回波序列中选择性RF脉冲优化以增强信号稳定性
Madison M Augelli,Anuj Sharma,Mark A Griswold et al.
Madison M Augelli et al.
Purpose: To improve slice profile consistency across echo trains in turbo spin echo (TSE) imaging, thereby reducing image blurring and increasing the accuracy of multi echo spin echo T 2 $$ {T}_2 $$ mapping. ...
Phase-Pole-Free Images and Smooth Coil Sensitivity Maps by Regularized Nonlinear Inversion [0.03%]
正则化非线性反演获得的无相位编码行图像及平滑线圈灵敏度图
Moritz Blumenthal,Martin Uecker
Moritz Blumenthal
Purpose: Phase singularities are a common problem in image reconstruction with auto-calibrated sensitivities due to an inherent ambiguity of the estimation problem. The purpose of this work is to develop a method for dete...
Double Asymmetric Spin Echo EPI (dASE-EPI) Enables fMRI of the Entire Rat Brain at 9.4 T [0.03%]
双不对称自旋回波EPI(dASE-EPI)可在9.4T下对整个大鼠大脑进行fMRI成像
Kyle A Johnson,Hanbing Lu,Jason W Sidabras
Kyle A Johnson
Purpose: Development and evaluation of a double asymmetric spin echo planar imaging (dASE-EPI) sequence to balance sensitivity to blood oxygenation level-dependent (BOLD) contrast with mitigation of susceptibility-induced...
Free-Breathing Magnetization Transfer Imaging of the Lung at 0.55 T Using bSTAR [0.03%]
基于bSTAR技术的自由呼吸肺部 magnetization transfer 成像(0.55T)
Alexandra Braun,Grzegorz Bauman,Maurice Pradella et al.
Alexandra Braun et al.
Purpose: To develop a clinically applicable method for magnetization transfer (MT) imaging of the lung at 0.55 T. Methods: MT imaging o...
Acceleration of Phase-Modulated Ultrashort Echo Time Sequence for Fast T2 and Adiabatic T1ρ Mapping of the Knee Joints [0.03%]
加速相位调制的超短回波时间序列以实现快速T2和封闭式T1ρ膝关节映射技术
Jiyo S Athertya,Dina Moazamian,Niloofar Shojaeiadib et al.
Jiyo S Athertya et al.
Purpose: To develop and validate an accelerated phase-modulated ultrashort echo time (PM-UTE) sequence for volumetric T2 and adiabatic T1ρ (AdiabT1ρ) mapping of both short- and long-T2 tissues in the knee joint. ...
Quantitative Diffusion and T2 Mapping Using RF-Modulated Phase-Based Gradient Echo Imaging [0.03%]
基于射频调制相位的梯度回波成像的定量扩散和T2映射
Daiki Tamada,Ali Pirasteh,David F Jarrard et al.
Daiki Tamada et al.
Purpose: To introduce and evaluate the feasibility of a novel RF-phase modulated gradient echo (GRE) method for quantitative diffusion MRI, aimed at mitigating geometric distortion and enabling high-resolution 3D quantita...