ISMRM & ISMRT Annual Meeting & Exhibition • 10-15 May 2025 • Honolulu, Hawai'i

ISMRM & ISMRT 2025 Annual Meeting & Exhibition

Traditional Poster

What Is New in Cardiovascular MR

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What Is New in Cardiovascular MR
Traditional Poster
Wednesday, 14 May 2025
Building:   Room: Exhibition Hall
16:45 -  17:45
Session Number: T-11
No CME/CE Credit

  5262. Effect of blood rheology and hematocrit on the estimation of hemodynamic parameters in hypertrophic cardiomyopathy
J. Sotelo, H. Mella, F. Galarce, C. Velasquez, S. Uribe, T. Sekine, E. Castillo
Universidad Técnica Federico Santa María, Santiago, Chile
Impact: This study shows the impact of incorporating nonlinear blood viscosity models in the estimation of hemodynamic parameters from 4D flow MR imaging in patients with hypertrophic cardiomyopathy. Variable viscosity model produces significant differences in diastolic phase.
    5263. WITHDRAWN
  5264. Cardiac CEST-MRI reveals early biochemical changes in transgenic models of early mitochondrial dysfunction and hypertrophic cardiomyopathy
J. Weigand-Whittier, T. Thottakara, M. Velasquez, M. Wendland, M. R. Abraham, M. Vandsburger
UC Berkeley, Berkeley, United States
Impact: Early biochemical changes associated with hypertrophic cardiomyopathy are currently undetectable with conventional imaging. CEST-MRI and associated CEST contrasts allow for these changes to be detected and studied.
  5265. Left ventricular remodeling index predicts ventricular tachyarrhythmia in dilated cardiomyopathy with ejection fraction <35%
X. Jia, X. Chen, S. Zhao
Fuwai Hospital, National Center for Cardiovascular Diseases of China, Chinese Academy of Medical Sci, Beijing, China
Impact: CMR-derived LVRI is associated with VTA in patients with nonischemic DCM with LVEF <35%, which may have clinical significance in guiding future implantable cardioverter-defibrillator implantation and improving risk stratification for DCM patients with LVEF <35%.
  5266. Simultaneous 3-D adiabatic T1rho and quantitative susceptibility mapping for characterization of myocardial infarction in ex vivo mouse
I. Räty, O. Nykänen, S. Laidinen, A-K Ruotsalainen, M. Nissi, E. Ylä-Herttuala
A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
Impact: This study presents a simultaneous T1ρ and QSM measurement for ex vivo assessment of myocardium after factitious myocardial infarction in mice. The method allowed determination of myocardial infarction based on co-localized 3-D T1ρ relaxation time and quantitative susceptibility maps.
  5267. Single-Sequence One-Stop Ferumoxytol-Enhanced Vascular Lumen and Wall Imaging (SSO-FE-VLWI) for Comprehensive Cardiovascular Assessment
G. Si, G. Wu, P. Wang, J. Wei, C. Tian, P-Y Wu, P. Han, D. Mu, M. Zhou, N. Gu
Southeast University, Nanjing, China
Impact: SSO-FE-VLWI provides a time-efficient approach for comprehensive vascular evaluation, reducing the need for additional sequences and improving clinical workflow.
  5268. Study on the Differential Diagnostic Value of Cardiac Magnetic Resonance Multiparametric Imaging for Atypical CA and Compensated HHD
L. Tang, F. Wang, L. Yang, X. Yue
Ningxia Hui Autonomous Region People's Hospital, Yinchuan, China
Impact: This study quantitatively evaluates atypical CA and HHD using T1 mapping and CMR-FT, providing imaging evidence for diagnosis and supporting precision treatment.
  5269. Investigation of cardiac-rhythm related differences in hemodynamics using a 3D universal left atrial coordinate system dedicated to 4D Flow MRI
M. Sigovan, S. Boccalini, M. Beghella, V. Wang, A. Elsayed, M. Nash, N. Duchateau, P. Douek, P. Chevalier
University of Lyon, CNRS, CREATIS Laboratory, Lyon, France
Impact: The volumetric universal coordinate system for the left atrium enabled straightforward comparisons of blood flow parameters between subjects. The method may prove valuable in larger populations studies to highlight pathology specific flow patterns and identify individuals with significantly different patterns.
  5270. The clinical value of native T1 and systolic-to-diastolic myocardial volume ratio in evaluating hypertrophic cardiomyopathy
H. Wu, P. Liu, J. Lian
The First Afliated Hospital of Harbin Medical University, Harbin , China
Impact: The combined use of MVs/MVd and Native T1 could be a novel indicator of myocardial function without the need for contrast agents, has the potential to differentiate HCM from the control group, as well as distinguish between  subgroups of HCM.
  5271. Quantitative Assessment of Post-Valvular Mechanical Energy in BAV with Aortic Lesions and Preserved Ejection Fraction on LV Workload
S. Aliabadi, J. Garcia
University of Calgary, Calgary, Canada
Impact: This study demonstrates that post-valvular peak systolic integrated kinetic energy (KE) could serve as a non-invasive marker of LV workload, supporting early intervention strategies for improved risk stratification in diverse BAV patient profiles.
  5272. Incremental Value of Multiparametric Cardiac MRI for Non-invasive Identification of Significant Acute Cardiac Allograft Rejection
P. Zhou
Fuwai Hospital, Beijing, China
Impact: Global longitudinal strain should be considered in future prospective clinical trials for identifying significant acute cardiac allograft rejection in heart transplantation recipients.
  5273. Multiparametric cardiac magnetic resonance to identify early myocardial involvement in LGE negative light-chain amyloidosis
H. Zhu, H. j. Li
Department of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China, Wu han, China
Impact: This study demonstrated that multiparametic CMR can identify early myocardial involvement in patients with AL amyloidosis, and all strain metrics show significant associations with the markers of myocardial amyloid burden.
  5274. Single breath-hold EPI-based 3D Late Gadolinium Enhancement Imaging
O. Goldman, K-P Kunze, J. Whitaker, R. Neji
King's College London, London, United Kingdom
Impact: Using EPI readouts for LGE-MRI allows 3D images to be acquired in one breath-hold, with less undersampling than previously proposed methods. Further developments to the reconstruction could improve the resolution, to match what can be realised in longer, free-breathing acquisitions.
  5275. Interpretable Machine Learning Model for Characterizing Hemodynamic Biomarkers in Bicuspid Aortic Valve induced Aortic Dilation
P. Franco, J. Sotelo, A. Guala, L. Dux-Santoy, J. Garrido-Oliver, A. Evangelista, J. Rodríguez-Palomares
Universidad Andrés Bello, Santiago, Chile
Impact: This study advances the understanding of hemodynamic changes in bicuspid aortic valve patients, offering clinically relevant biomarkers for aortic dilation. These insights could significantly enhance risk assessment, guiding tailored interventions and improving patient outcomes in cardiovascular care and management.
  5276. Cardiac magnetic resonance and genetics in pediatric heart failure with non-ischemia: prognostic implications
X. Gao, J. Lian, H. Wang, X. Lei
Beijing Anzhen Hospital, Capital Medical University, Beijing, China
Impact: The study demonstrated the common genetic abnormalities in paediatric heart failure with non-ischemia and also reveal some relationship between genetics and late gadolinium enhancement. Cardiac magnetic resonance could provide valuable predictive information for pediatric heart failure with non-ischemia.
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