Self‐navigated isotropic three‐dimensional cardiac T₂ mapping

Abstract

This respiratory self-navigated isotropic three-dimensional technique allows for accurate and robust in vitro and in vivo T2 quantification.

Clinical recommendations for cardiovascular magnetic resonance mapping of T1, T2, T2* and extracellular volume: A consensus statement by the Society for Cardiovascular Magnetic Resonance (SCMR) endorsed by the European Association for Cardiovascular Imaging (EACVI)

“…Recent studies have thus focused on quantifying the reproducibility [45–50], robustness against artifacts [51], and the influence of motion correction [45, 52]. At the same time, several challenges of myocardial T2 mapping have been overcome by proposing faster image acquisition, reducing bias [44], and increasing spatial coverage [53–55]. …”

“…Three-dimensional (3D) mapping may allow for more complete coverage of the heart and a better characterization of complex regional distribution patterns of disease processes [53, 54, 187]. …”

Three-Dimensional Self-Navigated T2 Mapping for the Detection of Acute Cellular Rejection After Orthotopic Heart Transplantation

“…High-resolution navigator-gated radial 2D T 2 maps 12 were acquired in 3 short-axis slices as a reference (see Table 1 for magnetic resonance pulse sequence details). The self-navigated isotropic 3D radial whole-heart T 2 map 11 (voxel size 1.72 x 1.72 x 1.72 = 5.1 mm 3 ) was obtained during free breathing. Acquisition, processing and reading of the MRI results was performed with the observer blinded to EMB results.…”

“…Furthermore, absence of ACR when using a technique that is able to detect 1R will impact on the guidance of immunosuppression. This pilot study therefore aimed to validate a novel 3-dimensional (3D) self-navigated cardiac T 2 -mapping technique with high spatial resolution (1.72 x 1.72 x 1.72 = 5.1 mm 3 ) at 3 T throughout the whole heart 11 by direct comparison with 2D T 2 -mapping at high resolution (1.25 × 1.25 × 5 = 7.8 mm 3 ) 12 and EMB-based ACR detection.…”

Interventional Cardiac Magnetic Resonance Imaging in Electrophysiology

“…Both edema and necrosis can be evaluated using commercially available sequences. 6,31 T2-weighted Ultrafast Spin Echo sequences 6,23,31 and quantitative high-resolution T 2 -mapping techniques in 2D 42 and even in 3D 43 can be used to visualize edema. Necrosis can be visualized using the commercially available T1-weighted phase-sensitive inversion recovery turbo-gradient recalled echo 31 or using the experimental 3D respiratory-navigated inversion-recovery-gradient recalled echo sequence.…”