Volume 22 Issue 6
Jun.  2024
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Article Navigation >  Chinese Journal of General Practice  > 2024  >  22(6): 1022-1027
MA Li, WU Yue, DUAN Lian, BAO Mengyuan, WU Yongshun, XING Yan. Normal values of T1, T2, and ECV in 1.5T cardiovascular magnetic resonance scanning in health adults[J]. Chinese Journal of General Practice, 2024, 22(6): 1022-1027. doi: 10.16766/j.cnki.issn.1674-4152.003558
Citation: MA Li, WU Yue, DUAN Lian, BAO Mengyuan, WU Yongshun, XING Yan. Normal values of T1, T2, and ECV in 1.5T cardiovascular magnetic resonance scanning in health adults[J]. Chinese Journal of General Practice, 2024, 22(6): 1022-1027. doi: 10.16766/j.cnki.issn.1674-4152.003558
shu

Normal values of T1, T2, and ECV in 1.5T cardiovascular magnetic resonance scanning in health adults

doi: 10.16766/j.cnki.issn.1674-4152.003558
  • 1.

    First Department of Comprehensive Internal Medicine, People' s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang 830001, China

Funds:

 2021E02067

  • Received Date: 2024-02-28
    Available Online: 2024-07-22
    Abstract
  •   Objective  This study aims to describe normal adult myocardium, analyze the range of T1, T2, and ECV, and establish a quantitative technical reference value of cardiovascular magnetic resonance (CMR) parameters suitable for Xinjiang.  Methods  A total of 122 healthy adults who underwent CMR examination in the First Affiliated Hospital of Xinjiang Medical University from March to September 2023 were collected and analyzed. The myocardial was performed using Cvi software, and the differences in cardiac function parameters, T1, T2, and ECV values among different genders, ages, and nationalities were analyzed.  Results  The average value of T1, T2, and ECV of the whole myocardium was (1 090±74) ms, (53.0±1.7) ms, and (28.3±3.3)%, respectively. The values of T1, T2, and ECV in females were higher than those in males: T1 [(1 121±78) ms vs. (1 065±61) ms, P < 0.05], T2 [(53.3±1.4) ms vs. (52.7±1.9) ms, P < 0.05], and ECV [(29.1±2.9)% vs. (27.7±3.5)%, P < 0.001]. The values of T1 and ECV increased with age, but there was no statistical difference. The T2 values of myocardium basal segment showed statistically significant differences between different age groups, and there was a correlation between T1 and T2 values and age in the whole population. The age correlation of T2 values was shown only in the male population, and the age correlation of T1 and ECV values was independent of gender. In the analysis of ethnic variability, ethnic minorities had significantly higher T1 values than Han Chinese, but the between-group differences in T2 and ECV values were not statistically significant.  Conclusion  In this study, the values of T1, T2, and ECV in the myocardium of health adult vary with age, gender, and ethnicity. It is necessary to correct the age, gender, and ethnicity when using quantitative techniques for CMR parameters to help clinicians diagnose cardiac disease more accurately and determine disease progress based on local reference values.

     

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