Detailed Information on Publication Record
2024
T1 mapping of myocardium in rats using self-gated golden-angle acquisition
VITOUŠ, Jiří, Radovan JIŘÍK, Tibor STRAČINA, Michal HENDRYCH, Jaroslav NÁDENÍČEK et. al.Basic information
Original name
T1 mapping of myocardium in rats using self-gated golden-angle acquisition
Authors
VITOUŠ, Jiří (203 Czech Republic, guarantor), Radovan JIŘÍK (203 Czech Republic), Tibor STRAČINA (703 Slovakia, belonging to the institution), Michal HENDRYCH (203 Czech Republic, belonging to the institution), Jaroslav NÁDENÍČEK (203 Czech Republic, belonging to the institution), Ondřej MACÍČEK (203 Czech Republic), Tian YE, Lucie KRÁTKÁ (203 Czech Republic), Eva DRAŽANOVÁ (203 Czech Republic, belonging to the institution), Marie NOVÁKOVÁ (203 Czech Republic, belonging to the institution), Petr BABULA (203 Czech Republic, belonging to the institution), Roman PANOVSKÝ (203 Czech Republic, belonging to the institution), Edward DIBELLA and Zenon STARČUK (203 Czech Republic)
Edition
Magnetic Resonance in Medicine, HOBOKEN, WILEY, 2024, 0740-3194
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
30201 Cardiac and Cardiovascular systems
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
Impact factor
Impact factor: 3.300 in 2022
Organization unit
Faculty of Medicine
UT WoS
001077604100001
Keywords in English
myocardium; T1 mapping
Tags
International impact, Reviewed
Změněno: 2/2/2024 12:50, Mgr. Tereza Miškechová
Abstract
V originále
Purpose The aim of this study is to design a method of myocardial T1 quantification in small laboratory animals and to investigate the effects of spatiotemporal regularization and the needed acquisition duration. Methods We propose a compressed-sensing approach to T1 quantification based on self-gated inversion-recovery radial two/three-dimensional (2D/3D) golden-angle stack-of-stars acquisition with image reconstruction performed using total-variation spatiotemporal regularization. The method was tested on a phantom and on a healthy rat, as well as on rats in a small myocardium-remodeling study. Results The results showed a good match of the T1 estimates with the results obtained using the ground-truth method on a phantom and with the literature values for rats myocardium. The proposed 2D and 3D methods showed significant differences between normal and remodeling myocardium groups for acquisition lengths down to approximately 5 and 15 min, respectively. Conclusions A new 2D and 3D method for quantification of myocardial T1 in rats was proposed. We have shown the capability of both techniques to distinguish between normal and remodeling myocardial tissue. We have shown the effects of image-reconstruction regularization weights and acquisition length on the T1 estimates.
Links
| EF18_046/0016045, research and development project |
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| GA22-10953S, research and development project |
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| LM2018129, research and development project |
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| LM2023050, research and development project |
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| MUNI/A/1379/2022, interní kód MU |
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| MUNI/11/SUP/09/2022, interní kód MU |
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