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September 17, 2025Proceedings on CD-ROM - International Society for Magnetic Resonance in Medicine. Scientific Meeting and Exhibition/Proceedings of the International Society for Magnetic Resonance in Medicine, Scientific Meeting and Exhibition

Free-Running Time-Resolved 3D+time Cardiovascular MRI at 40 Hz in a One Minute Scan using Cartesian Sampling and CMR-MOTUS

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Authors

TOThomas OlaussonMTMaarten L. TerpstraEVEdwin Versteeg

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Overview

This approach extracts time-resolved motion in cardiovascular MRI scans using cartesian sampling, highlighting improved workflow.

Key Points

  • High temporal resolution of 40Hz allows for realistic motion field reconstruction, significantly reducing scan times.
  • The ejection fraction from phantom studies correlated well with reference values, confirming the accuracy of the reconstruction.
  • Implementation of the CMR-MOTUS framework in healthy and patient datasets supports enhanced clinical workflow.
  • Results suggest that shorter scans may improve patient comfort, confirming the efficiency of time-resolved cardiovascular analysis.

Cite This Study

Olausson et al. (2025) studied this question.

synapsesocial.com/papers/68d43c79713b0b5dfea7bcc0https://doi.org/10.58530/2025/0324
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Five-dimensional cardiac MRI in one minute using the CMR-MOTUS framework on a 1.5 T MR-Linac2025
  2. 2Motion-robust approach for 4D cardiac MRI using 2D real-time acquisitions and slice-to-volume reconstruction (SVR)2025
  3. 3Free-running time-resolved first-pass myocardial perfusion using a multi-scale dynamics decomposition: CMR-MOTUS2025 · 2 citations
  4. 4Efficient 5D Motion Resolved Imaging: Assessing Spatial Resolutions for Faster Acquisition Without Compromising LV Ejection Fraction Accuracy2025
  5. 5Fast 3D cardiac extracellular volume mapping and cine imaging via continuous free-breathing acquisition with mid-scan contrast agent injection2025