K-CC-MoCo: A Fast k-Space-Based Respiratory Motion Correction for Highly Accelerated First-Pass Perfusion Cardiovascular MR [0.03%]
基于k空间的快速心血管第一通过灌注MRI呼吸运动校正方法(K-CC-MoCo)
Elisa Moya-Sáez,Rosa-María Menchón-Lara,Javier Sánchez-González et al.
Elisa Moya-Sáez et al.
Purpose: First-pass perfusion cardiovascular MR (FPP-CMR) enables the non-invasive diagnosis of microcirculation and coronary artery disease. In free-breathing FPP-CMR, motion correction is usually performed in the image ...
Rosette Cardiac MR Fingerprinting for Simultaneous T1, T2, [Formula: see text] , and Fat Fraction Mapping Using a Multi-Echo Deep Image Prior Reconstruction [0.03%]
基于多回波深度图像先验重建的 Rosette 心脏 MRI 指纹技术实现 T1、T2、PD 和脂肪分数的同时映射
Evan Cummings,Gastao Cruz,Jacob Richardson et al.
Evan Cummings et al.
Purpose: Quantitative mapping of cardiac tissue properties is used clinically in diagnosis and monitoring of a wide variety of cardiac pathologies. Cardiac Magnetic Resonance Fingerprinting (cMRF) enables rapid and simult...
Rapid Tissue-CSF Water Exchange in the Human Brain Revealed by Magnetization Transfer Indirect Spin Labeling [0.03%]
利用磁化转移动态血管内标记技术观察人脑组织-脑脊液的快速水交换现象
Yihan Wu,Kexin Wang,Licheng Ju et al.
Yihan Wu et al.
Purpose: To apply the Magnetization Transfer Indirect Spin Labeling (MISL) MRI technique for quantifying tissue-CSF water exchange in the human brain, and to investigate its utility in (1) evaluating tissue-CSF water exch...
Spatiotemporal Encoding With Nonlinear Gradient Hardware Using Pulseq: From Principles to Practical Demonstration [0.03%]
基于Pulseq的非线性梯度时空编码:从原理到实验演示
Andreas Holl,Frank Zijlstra,Maxim Zaitsev et al.
Andreas Holl et al.
Purpose: Provide the theoretical foundation and the first practical demonstration of spatiotemporal encoding (SPEN) using additional nonlinear gradient hardware. ...
Assessment of Optimal T1/T2-Weighted Combinations for Myelin Sensitivity: Effects of Echo Time and Exponents [0.03%]
评估最佳T1/T2加权组合以提高髓鞘敏感性:回波时间和指数的影响评估
Simone Monachino,Gerhard S Drenthen,Lis J M van den Boogaard et al.
Simone Monachino et al.
Purpose: The aim of this study is to improve the traditional T1-weighted (T1w) over T2-weighted (T2w) ratio as a proxy for myelin by investigating the optimal T2w TE and combination of exponent-weighted T1w and T2w images...
Free-Running Three-Dimensional Cardiac Extracellular Volume Mapping in a Single Scan With Mid-Scan Contrast Injection [0.03%]
一次扫描中心部注射对比剂的自由运行三维心脏细胞外容积mapping研究
Wonil Lee,Paul Kyu Han,Thibault Marin et al.
Wonil Lee et al.
Purpose: To develop a new method for free-running three-dimensional (3D) extracellular volume mapping of the heart in a single scan with mid-scan contrast injection. ...
Spectral Representation of Neurochemicals With Phase, Frequency Offset, and Lineshape Invariance: Application to JPRESS for In Vivo Concentration and T2 Mapping by Deep Learning [0.03%]
具有相位、频率偏置和线形不变性的神经化学物质光谱表示:深度学习在体内浓度和T2图绘制中的JPRESS应用研究
Yan Zhang,Jun Shen
Yan Zhang
Purpose: Using artificial intelligence neural networks to generate a representation that maps the input directly to neurochemical concentrations and metabolite-level average transverse relaxation times (T2). ...
Ultrafast Blood T1 Measurement Using Golden Angle Rotated Spiral k-t Sparse Parallel Imaging (GASSP): Evaluations in Both Pre- and Post-Contrast Conditions [0.03%]
基于黄金角旋转螺旋k-t稀疏并行成像的超快速血液T1测量(GASSP):对比剂注射前后的评估
Zechen Xu,Feng Xu,Qin Qin et al.
Zechen Xu et al.
Purpose: Blood T1 is a key parameter for hemodynamic quantification in both non-contrast- and contrast-enhanced imaging. Individual vessel T1 has been measured using a modified Look-Locker scheme with multi-shot EPI or FL...
MoCo + ROVir: Synergy Between Respiratory Motion Compensation and Cardiac Receive Region Focusing for Cardiac MRI [0.03%]
结合心脏MRI中呼吸运动校正和心脏接收区聚焦的协同作用
Zheyuan Hu,Hsu-Lei Lee,Tianle Cao et al.
Zheyuan Hu et al.
Purpose: To improve cardiac motion representation and reduce artifacts for cardiac- and respiratory-resolved imaging through a synergistic combination of retrospective cardiac phased array RF focusing and rigid respirator...
Evidence of Incoherent Cerebrospinal Fluid Flow in the Human Brain From Multidimensional MRI [0.03%]
基于多维磁共振的成人脑脊液非连续流动现象研究
Chenyang Li,Yulin Ge,Jiangyang Zhang
Chenyang Li
Purpose: The human brain contains multiple fluid types, including blood, cerebrospinal fluid (CSF), and tissue water. While intravoxel incoherent motion (IVIM) imaging has been used to examine microvascular perfusion, evi...