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Similarity-driven motion-resolved reconstruction for ferumoxytol-enhanced whole-heart MRI in congenital heart disease

Author

Listed:
  • Ludovica Romanin
  • Bastien Milani
  • Christopher W Roy
  • Jérôme Yerly
  • Aurélien Bustin
  • Salim Si-mohamed
  • Milan Prsa
  • Tobias Rutz
  • Estelle Tenisch
  • Juerg Schwitter
  • Matthias Stuber
  • Davide Piccini

Abstract

A similarity-driven multi-dimensional binning algorithm (SIMBA) reconstruction of free-running cardiac magnetic resonance imaging data was previously proposed. While very efficient and fast, the original SIMBA focused only on the reconstruction of a single motion-consistent cluster, discarding the remaining data acquired. However, the redundant data clustered by similarity may be exploited to further improve image quality. In this work, we propose a novel compressed sensing (CS) reconstruction that performs an effective regularization over the clustering dimension, thanks to the integration of inter-cluster motion compensation (XD-MC-SIMBA). This reconstruction was applied to free-running ferumoxytol-enhanced datasets from 24 patients with congenital heart disease, and compared to the original SIMBA, the same XD-MC-SIMBA reconstruction but without motion compensation (XD-SIMBA), and a 5D motion-resolved CS reconstruction using the free-running framework (FRF). The resulting images were compared in terms of lung-liver and blood-myocardium sharpness, blood-myocardium contrast ratio, and visible length and sharpness of the coronary arteries. Moreover, an automated image quality score (IQS) was assigned using a pretrained deep neural network. The lung-liver sharpness and blood-myocardium sharpness were significantly higher in XD-MC-SIMBA and FRF. Consistent with these findings, the IQS analysis revealed that image quality for XD-MC-SIMBA was improved in 18 of 24 cases, compared to SIMBA. We successfully tested the hypothesis that multiple motion-consistent SIMBA clusters can be exploited to improve the quality of ferumoxytol-enhanced cardiac MRI when inter-cluster motion-compensation is integrated as part of a CS reconstruction.

Suggested Citation

  • Ludovica Romanin & Bastien Milani & Christopher W Roy & Jérôme Yerly & Aurélien Bustin & Salim Si-mohamed & Milan Prsa & Tobias Rutz & Estelle Tenisch & Juerg Schwitter & Matthias Stuber & Davide Picc, 2024. "Similarity-driven motion-resolved reconstruction for ferumoxytol-enhanced whole-heart MRI in congenital heart disease," PLOS ONE, Public Library of Science, vol. 19(6), pages 1-20, June.
  • Handle: RePEc:plo:pone00:0304612
    DOI: 10.1371/journal.pone.0304612
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