Academic Journal
Enhanced 2D Spiral Cine DENSE MRI Using Low-Rank Denoising for Improved Apparent Signal-to-Noise Ratio, Spatial Resolution, Efficiency, Accuracy, and Accessibility.
| Τίτλος: | Enhanced 2D Spiral Cine DENSE MRI Using Low-Rank Denoising for Improved Apparent Signal-to-Noise Ratio, Spatial Resolution, Efficiency, Accuracy, and Accessibility. |
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| Συγγραφείς: | Shih SF; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA., Wu Y; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA.; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California, USA., Li S; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA., Ming Z; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA.; Physics and Biology in Medicine Graduate Program, University of California, Los Angeles, Los Angeles, California, USA., Pogosyan A; Division of Cardiology, University of California, Los Angeles, Los Angeles, California, USA.; Division of Cardiology, VA Greater Los Angeles Healthcare System, Los Angeles, California, USA., Han F; MR R&D Collaborations, Siemens Medical Solutions USA, Inc, Los Angeles, California, USA., Wu HH; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA.; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California, USA.; Physics and Biology in Medicine Graduate Program, University of California, Los Angeles, Los Angeles, California, USA., Finn JP; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA.; Division of Cardiology, University of California, Los Angeles, Los Angeles, California, USA., Nguyen KL; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA.; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California, USA.; Physics and Biology in Medicine Graduate Program, University of California, Los Angeles, Los Angeles, California, USA.; Division of Cardiology, University of California, Los Angeles, Los Angeles, California, USA.; Division of Cardiology, VA Greater Los Angeles Healthcare System, Los Angeles, California, USA., Zhong X; Department of Radiological Sciences, University of California, Los Angeles, Los Angeles, California, USA.; Department of Bioengineering, University of California, Los Angeles, Los Angeles, California, USA.; Physics and Biology in Medicine Graduate Program, University of California, Los Angeles, Los Angeles, California, USA. |
| Πηγή: | Magnetic resonance in medicine [Magn Reson Med] 2026 Jul; Vol. 96 (1), pp. 403-419. Date of Electronic Publication: 2026 Mar 09. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Wiley Country of Publication: United States NLM ID: 8505245 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1522-2594 (Electronic) Linking ISSN: 07403194 NLM ISO Abbreviation: Magn Reson Med Subsets: MEDLINE |
| Imprint Name(s): | Publication: 1999- : New York, NY : Wiley Original Publication: San Diego : Academic Press |
| Ιατρικοί όροι (MeSH): | Magnetic Resonance Imaging, Cine*/methods , Heart*/diagnostic imaging , Image Processing, Computer-Assisted*/methods , Heart Diseases*/diagnostic imaging, Image Enhancement/methods ; Image Interpretation, Computer-Assisted/methods ; Humans ; Signal-To-Noise Ratio ; Adult ; Female ; Male ; Algorithms ; Monte Carlo Method ; Middle Aged ; Reproducibility of Results ; Breath Holding ; Young Adult ; Computer Simulation |
| Περίληψη: | Purpose: To develop a denoising technique for displacement encoding with stimulated echoes (DENSE) MRI that improves spatial resolution, efficiency, and accuracy, and enhances accessibility by implementing DENSE MRI at 0.55 T. Methods: We developed a low-rank denoising technique, which leverages multidimensional spiral cine DENSE MRI data for empirical noise estimation via Monte Carlo simulation combined with automatic noise suppression. Thirty-six subjects (16 healthy, 20 with heart disease) were scanned at 3 T with breath-hold standard-resolution 2D cine DENSE (2.8 × 2.8 mm2) in a short-axis slice of the heart. In 10 healthy subjects, high-resolution DENSE with 1.2 × 1.2 mm2 was acquired. Apparent signal-to-noise ratio (SNR), phase SNR, scan efficiency (SNR per heartbeat per unit voxel size), and standard deviation of segmental circumferential myocardial strain (E Results: Apparent magnitude SNR, phase SNR and scan efficiency were significantly improved after denoising in both standard-resolution and high-resolution DENSE (all p < 0.01). Bland-Altman analysis showed denoised high-resolution DENSE E Conclusion: Our proposed denoising technique may allow DENSE MRI with improved spatial resolution, efficiency, and accuracy, and enhanced accessibility at 0.55 T. (© 2026 The Author(s). Magnetic Resonance in Medicine published by Wiley Periodicals LLC on behalf of International Society for Magnetic Resonance in Medicine.) |
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| Grant Information: | I01-CX001901 Veterans Health Administration CSRD; R01HL148182 United States NH NIH HHS; I01 CX001901 United States CX CSRD VA; R01 HL169695 United States HL NHLBI NIH HHS; Siemens Medical Solutions USA, Inc; UCLA Academic Senate's Council on Research (COR); R01 HL148182 United States HL NHLBI NIH HHS |
| Contributed Indexing: | Keywords: DENSE; cardiovascular magnetic resonance; denoising; signal‐to‐noise ratio; spiral MRI; strain imaging |
| Entry Date(s): | Date Created: 20260309 Date Completed: 20260710 Latest Revision: 20260710 |
| Update Code: | 20260711 |
| PubMed Central ID: | PMC13050631 |
| DOI: | 10.1002/mrm.70331 |
| PMID: | 41802980 |
| Βάση Δεδομένων: | MEDLINE |
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