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Principle of T1 mapping technique and its research progress in myocardial quantification
JIA Taoyu  QIN Peixin  HU Feng  ZHOU Xiaobing  LU Ling  PAN Cunxue  LI Shaolin 

Cite this article as: Jia TY, Qin PX, Hu F, et al. Principle of T1 mapping technique and its research progress in myocardial quantification[J]. Chin J Magn Reson Imaging, 2022, 13(3): 151-158. DOI:10.12015/issn.1674-8034.2022.03.037.


[Abstract] A pixel-by-pixel method of quantifying longitudinal relaxation time (T1 mapping) is a non-invasive imaging method for evaluating myocardial tissue characteristics, which can provide a variety of quantitative parameters for diagnosis, treatment and prognosis of cardiomyopathy. In the technical development of cardiac T1 mapping in the past 20 years, both the preparation pulse and readout sequence have been continuously optimized. In this paper, cardiac T1 mapping technology is classified into three different preparation pulses (inversion recovery pulse, saturation recovery pulse and their combination of preparation pulse) and two different readout sequences (balanced steady-state free precession sequence and fast low-angle shot sequence). Their optimization development process and clinical application are reviewed, and the imaging principle is illustrated by taking the most representative T1mapping sequence as an example.
[Keywords] cardiac magnetic resonance；T1 mapping；modified Look-Locker inversion-recovery；saturation recovery single-shot acquisition；balanced steady-state free precession sequence；fast low angle shot sequence；extracellular volume；myocardiopathy

JIA Taoyu   QIN Peixin   HU Feng   ZHOU Xiaobing   LU Ling   PAN Cunxue*   LI Shaolin  

Department of Radiology, Fifth Affiliated Hospital, Sun Yat-Sen University, Zhuhai 519000, China

Pan CX, E-mail: pancx@mail.sysu.edu.cn

Conflicts of interest   None.

Received  2021-08-17
Accepted  2022-03-11
DOI: 10.12015/issn.1674-8034.2022.03.037
Cite this article as: Jia TY, Qin PX, Hu F, et al. Principle of T1 mapping technique and its research progress in myocardial quantification[J]. Chin J Magn Reson Imaging, 2022, 13(3): 151-158. DOI:10.12015/issn.1674-8034.2022.03.037.

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