ArticleJournal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology2022
Effect of respiratory motion correction and CT-based attenuation correction on dual-gated cardiac PET image quality and quantification.
Article in Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
What it found
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Who cites it
6 citing papers in PubMed.
- Dapagliflozin treatment is associated with a reduction of epicardial adipose tissue thickness and epicardial glucose uptake in human type 2 diabetes.Cardiovascular diabetology · 2023Trial
- Generative restoration for cardiac PET attenuation correction: a two-stage 3D DDIM framework optimizing fidelity and clinical controllability.EJNMMI physics · 2026Article
- Feasibility of shortening scan duration ofEJNMMI physics · 2024Article
- Deep generative denoising networks enhance quality and accuracy of gated cardiac PET data.Annals of nuclear medicine · 2024Article
- Motion-correction strategies for enhancing whole-body PET imaging.Frontiers in nuclear medicine · 2024Article
- Accurate quantification of myocardial perfusion.Journal of nuclear cardiology : official publication of the American Society of Nuclear Cardiology · 2022Article
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Authors and funding
8 authors.
Funding
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Abstract
backgroundDual-gating reduces respiratory and cardiac motion effects but increases noise. With motion correction, motion is minimized and image quality preserved. We applied motion correction to create end-diastolic respiratory motion corrected images from dual-gated images.
methods[
resultsMoCo-4D showed improvement for contrast ratio (2.83 vs 2.76), signal-to-noise ratio (27.5 vs 20.3) and contrast-to-noise ratio (14.5 vs 11.1) compared to dual-gating. The uptake difference between MoCo-4D and non-gated images was non-significant (P > .05) for the myocardium (2.06 vs 2.15 g/mL), but significant (P < .05) for the blood pool (.80 vs .86 g/mL). Non-gated images had the lowest coefficient of variation (27.3%), with significant increase for all other methods (31.6-32.5%). MoCo-4D showed smallest myocardial wall thickness (16.6 mm) with significant decrease compared to non-gated images (20.9 mm).
conclusionsEnd-diastolic respiratory motion correction and 4D-CT resulted in improved motion minimization and image quality over standard dual-gating.
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