Real-time cardiac cine MRI: A comparison of a diffusion probabilistic model with alternative state-of-the-art image reconstruction techniques for undersampled spiral acquisitions.

Journal: Magnetic resonance in medicine
Published Date: Jun 16, 2025

Abstract

PURPOSE: Electrocardiogram (ECG)-gated cine imaging in breath-hold enables high-quality diagnostics in most patients but can be compromised by arrhythmia and inability to hold breath. Real-time cardiac MRI offers faster and robust exams without these limitations. To achieve sufficient acceleration, advanced reconstruction methods, which transfer data into high-quality images, are required.

Authors

  • Oliver Schad
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany.
  • Julius Frederik Heidenreich
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany.
  • Nils Petri
    Department of Internal Medicine I, University Hospital Würzburg, Würzburg, Germany.
  • Jonas Kleineisel
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany.
  • Simon Sauer
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany.
  • Thorsten Alexander Bley
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany.
  • Peter Nordbeck
    University and University Hospital Würzburg, Germany (P. Nordbeck).
  • Bernhard Petritsch
    Department of Diagnostic and Interventional Radiology, University Hospital Würzburg, Würzburg, Germany.
  • Tobias Wech
    Department of Radiology, University Hospital Wuerzburg, Wuerzburg, Germany.

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