Article
Radiology, Nuclear Medicine & Medical Imaging
Bo He, Yushu Chen, Lei Wang, Yang Yang, Chunchao Xia, Jie Zheng, Fabao Gao
Summary: A compact MR-compatible ergometer was developed for exercise stress, and the reproducibility of myocardial native T1 and MBF measurements during exercise stress was initially evaluated. The results showed excellent reproducibility in native T1 during exercise, and good reproducibility in MBF and myocardial perfusion reserve during exercise.
MAGNETIC RESONANCE IN MEDICINE
(2022)
Article
Biochemistry & Molecular Biology
Ilya L. Gubskiy, Daria D. Namestnikova, Veronica A. Revkova, Elvira A. Cherkashova, Kirill K. Sukhinich, Mikhail M. Beregov, Pavel A. Melnikov, Maxim A. Abakumov, Vladimir P. Chekhonin, Leonid V. Gubsky, Konstantin N. Yarygin
Summary: This study quantitatively assessed the impact of brain tissue perfusion on the distribution of intrarterial transplanted mesenchymal stem cells (MSCs) in rat brains, and found a correlation between distribution and brain perfusion. These findings provide important insights for improving cell transplantation techniques and facilitating clinical application of stroke cell therapy.
Article
Clinical Neurology
D. H. Yoo, C. -H Sohn, H. -S Kang, Y. D. Cho, K. M. Kim
Summary: The arterial spin-labeling (ASL) technique can be used to predict the presence and amount of arteriovenous shunting in venous-predominant AVMs. It also allows for the confirmation of typical venous-predominant AVMs without the need for DSA. However, lesions with an intermediate amount of shunting represent a spectrum of vascular malformations ranging from developmental venous anomalies to venous-predominant AVMs with overt arteriovenous shunting.
AMERICAN JOURNAL OF NEURORADIOLOGY
(2023)
Article
Radiology, Nuclear Medicine & Medical Imaging
Celine Baligand, Lydiane Hirschler, Thom T. J. Veeger, Lena Vaclavu, Suzanne L. Franklin, Matthias J. P. van Osch, Hermien E. Kan
Summary: The study introduces a new approach of multislice FAIR, allowing for simultaneous measurement of muscle perfusion in two distant slices without losing sensitivity in the distal slice.
MAGNETIC RESONANCE IN MEDICINE
(2021)
Article
Biophysics
Kuang Gong, Paul Han, Georges El Fakhri, Chao Ma, Quanzheng Li
Summary: In this study, an unsupervised deep learning-based image denoising and reconstruction framework was proposed to improve the signal-to-noise ratio (SNR) and imaging speed of arterial spin labeling (ASL) imaging. The framework utilizes the subject's own anatomical prior as input and does not require prior training pairs. Experimental results demonstrated the superior performance of the proposed method in qualitative and quantitative analyses.
NMR IN BIOMEDICINE
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
Isabell K. Bones, Suzanne L. Franklin, Anita A. Harteveld, Matthias J. P. van Osch, Sophie Schmid, Jeroen Hendrikse, Chrit Moonen, Marijn van Stralen, Clemens Bos
Summary: Velocity-selective arterial spin labeling in renal perfusion imaging shows advantages over spatially selective pulsed arterial spin labeling techniques, reducing arterial transit time sensitivity and potentially providing efficient and accurate measurements even when increasing cutoff velocity to reduce labeling errors caused by motion.
MAGNETIC RESONANCE IN MEDICINE
(2021)
Article
Radiology, Nuclear Medicine & Medical Imaging
Hao Hu, Lu Chen, Liu-Ning Zhu, Wei Chen, Guo-Yi Su, Weiqiang Dou, Shou-Shan Bu, Fei-Yun Wu, Xiao-Quan Xu
Summary: Examining TBF using 3D pCASL with different PLDs can help differentiate between different types of parotid gland tumors, and shorter PLDs are recommended for characterizing these tumors in clinical practice.
EUROPEAN RADIOLOGY
(2022)
Review
Clinical Neurology
J. Y. Zeng, X. Q. Hu, J. F. Xu, W. J. Zhu, H. Y. Wu, F. J. Dong
Summary: Arterial spin-labeling shows moderate accuracy in localizing epileptic foci, with relatively low specificity. Blood perfusion changes may be closely related to seizure time and patterns, suggesting potential for assessing and monitoring epilepsy postoperatively.
AMERICAN JOURNAL OF NEURORADIOLOGY
(2021)
Article
Clinical Neurology
Xiaoyan Bai, Wei Wang, Xueyan Zhang, Zhangxuan Hu, Yingkui Zhang, Zhiye Li, Xue Zhang, Ziyu Yuan, Hefei Tang, Yaqing Zhang, Xueying Yu, Peng Zhang, Yonggang Wang, Binbin Sui
Summary: This study investigated the cerebral perfusion variations of new daily persistent headache (NDPH) and chronic migraine (CM) using multi-delay pseudo-continuous arterial spin-labeled magnetic resonance imaging (pCASL-MRI). The results showed different cerebral perfusion changes between NDPH and CM, providing hemodynamic evidence for distinguishing these two types of primary headaches.
JOURNAL OF HEADACHE AND PAIN
(2022)
Article
Medicine, General & Internal
Domenico Tortora, Matteo Cataldi, Mariasavina Severino, Alessandro Consales, Mattia Pacetti, Costanza Parodi, Fiammetta Sertorio, Antonia Ramaglia, Erica Cognolato, Giulia Nobile, Margherita Mancardi, Giulia Prato, Laura Siri, Thea Giacomini, Pasquale Striano, Dario Arnaldi, Gianluca Piatelli, Andrea Rossi, Lino Nobili
Summary: The role of MR Arterial-Spin-Labeling Cerebral Blood Flow maps (ASL-CBF) in the assessment of pediatric focal epilepsy is still debated. This study aimed to compare the detection rate of Seizure Onset Zone (SOZ) using three methods of evaluation of ASL-CBF. The results demonstrated that quantitative analyses of ASL-CBF maps increased the detection rate of SOZ, particularly in patients with negative MRI.
Article
Medicine, General & Internal
Lan Zhang, Hongli Liu, Shuai Huang, Chao Tong, Zhigang Wang, Hongbo Qi, Philip N. Baker, Mark D. Kilby
Summary: This study evaluated alterations in fetal Doppler parameters before and after radiofrequency ablation surgery for twin reversed arterial perfusion sequence (TRAPs). The findings suggest that pump fetuses after surgery, with a gestational age of 20 weeks or more, may experience increased middle cerebral artery peak systolic velocity (MCA-PSV) and middle cerebral artery pulsatility index (MCA-PI), indicating the need for early intervention.
FRONTIERS IN MEDICINE
(2022)
Article
Radiology, Nuclear Medicine & Medical Imaging
Q. Zheng, C. W. Freeman, M. Hwang
Summary: This study found significant sex-related differences in brain perfusion in the thalamus region of neonatal HIE, with males demonstrating lower perfusion. Other metabolically active brain structures showed no significant differences in perfusion between males and females.
CLINICAL RADIOLOGY
(2021)
Review
Clinical Neurology
Jinyuan Liu, Christopher Lin, Aurelia Minuti, Michael Lipton
Summary: ASL shows moderate to high agreement with DSC for detection of penumbra among ischemic stroke patients. However, some studies found discrepancies in size or location of perfusion abnormalities between ASL and DSC, suggesting a need for more standardization in perfusion parameters studied for DSC.
JOURNAL OF NEUROIMAGING
(2021)
Article
Genetics & Heredity
Kuntharee Traisrisilp, Suchaya Luewan, Fuanglada Tongprasert, Kasemsri Srisupundit, Theera Tongsong
Summary: This study aimed to assess fetal hemodynamic adaptions to occlusive procedures, finding that these procedures may exacerbate heart failure in some cases. Certain indices such as preload index and Tei index could predict the risk of heart failure following occlusion. Performing occlusive procedures before deterioration of cardiac function may lead to more successful outcomes.
TWIN RESEARCH AND HUMAN GENETICS
(2021)
Article
Radiology, Nuclear Medicine & Medical Imaging
Shan Pi, Yin Li, Churong Lin, Gang Li, Huiquan Wen, Hui Peng, Jin Wang
Summary: The aim of this study was to assess the performance of ASL, DWI, and clinical biomarkers in evaluating renal pathological injury in CKD. DWI and ASL examinations were conducted on 45 biopsy-proven CKD patients and 17 healthy volunteers. Correlations between RBF, ADC, SCr, eGFR, and pathological scores were analyzed. The diagnostic efficacy of SCr, eGFR, RBF, and ADC in assessing renal pathological injury was evaluated.
ABDOMINAL RADIOLOGY
(2023)
