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Myocardial T1 and T2 mapping at 3 T: reference values, influencing factors and implications

Open access
von Knobelsdorff-Brenkenhoff, Florian, Prothmann, Marcel, Dieringer, Matthias A, Wassmuth, Ralf, Greiser, Andreas, Schwenke, Carsten, Niendorf, Thoralf, Schulz-Menger, Jeanette·2013·Journal of Cardiovascular Magnetic Resonance

Abstract

BACKGROUND: Myocardial T1 and T2 mapping using cardiovascular magnetic resonance (CMR) are promising to improve tissue characterization and early disease detection. This study aimed at analyzing the feasibility of T1 and T2 mapping at 3 T and providing reference values. METHODS: Sixty healthy volunteers (30 males/females, each 20 from 20-39 years, 40-59 years, 60-80 years) underwent left-ventricular T1 and T2 mapping in 3 short-axis slices at 3 T. For T2 mapping, 3 single-shot steady-state free precession (SSFP) images with different T2 preparation times were acquired. For T1 mapping, modified Look-Locker inversion recovery technique with 11 single shot SSFP images was used before and after injection of gadolinium contrast. T1 and T2 relaxation times were quantified for each slice and each myocardial segment. RESULTS: Mean T2 and T1 (pre-/post-contrast) times were: 44.1 ms/1157.1 ms/427.3 ms (base), 45.1 ms/1158.7 ms/411.2 ms (middle), 46.9 ms/1180.6 ms/399.7 ms (apex). T2 and pre-contrast T1 increased from base to apex, post-contrast T1 decreased. Relevant inter-subject variability was apparent (scatter factor 1.08/1.05/1.11 for T2/pre-contrast T1/post-contrast T1). T2 and post-contrast T1 were influenced by heart rate (p < 0.0001, p = 0.0020), pre-contrast T1 by age (p < 0.0001). Inter- and intra-observer agreement of T2 (r = 0.95; r = 0.95) and T1 (r = 0.91; r = 0.93) were high. T2 maps: 97.7% of all segments were diagnostic and 2.3% were excluded (susceptibility artifact). T1 maps (pre-/post-contrast): 91.6%/93.9% were diagnostic, 8.4%/6.1% were excluded (predominantly susceptibility artifact 7.7%/3.2%). CONCLUSIONS: Myocardial T2 and T1 reference values for the specific CMR setting are provided. The diagnostic impact of the high inter-subject variability of T2 and T1 relaxation times requires further investigation.

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Metadata

Authors
von Knobelsdorff-Brenkenhoff, F., Prothmann, M., Dieringer, M. A., Wassmuth, R., Greiser, A., Schwenke, C., Niendorf, T., & Schulz-Menger, J.
Venue
Journal of Cardiovascular Magnetic Resonance
Publisher
Elsevier BV
Published
2013-01
Volume
15
Issue
1
Pages
53
ISSN
1097-6647 (ISSN-L)
OpenAlex
W2168468324
Cited by
265
References
22
FWCI
16.64
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: Myocardial T1 and T2 mapping at 3 T: reference values, influencing factors and implications. https://app.cochat.ai/papers/10.1186/1532-429x-15-53
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von Knobelsdorff-Brenkenhoff, F., Prothmann, M., Dieringer, M. A., Wassmuth, R., Greiser, A., Schwenke, C., Niendorf, T., & Schulz-Menger, J. (2013). Myocardial T1 and T2 mapping at 3 T: reference values, influencing factors and implications. Journal of Cardiovascular Magnetic Resonance. https://doi.org/10.1186/1532-429x-15-53

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