2018
DOI: 10.1016/j.crad.2018.06.023
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Free-breathing coronary CT angiography using 16-cm wide-detector for challenging patients: comparison with invasive coronary angiography

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Cited by 10 publications
(9 citation statements)
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“…In comparison with several previous studies [ 4 , 13 16 ] on whole-heart coverage CT scanner, our overall segment scores are a little bit higher which could be due to faster rotation speed or radiologist assessment bias. But in general, the average score increases after motion correction is similar.…”
Section: Discussioncontrasting
confidence: 74%
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“…In comparison with several previous studies [ 4 , 13 16 ] on whole-heart coverage CT scanner, our overall segment scores are a little bit higher which could be due to faster rotation speed or radiologist assessment bias. But in general, the average score increases after motion correction is similar.…”
Section: Discussioncontrasting
confidence: 74%
“…But in general, the average score increases after motion correction is similar. In some works, phase selection before motion correction was done by an experienced radiologist [ 4 ] or details for phase selection were not provided [ 13 , 15 , 16 ]. In one study, the best cardiac phase and motion correction were both applied but this study focused on low kVp image quality and study population was relatively smaller (n = 30) [ 14 ].…”
Section: Discussionmentioning
confidence: 99%
“…CCTA images with a slice thickness of 0.625 mm and increment of 0.625 mm were reconstructed using the 80% adaptive statistical iterative reconstruction-V [ASIR-V80%, GE Healthcare] with the STND kernel at the optimal reconstruction phase automatically selected by the SmartPhase technique (GE Healthcare), and the cardiac motion correction technique (snapshot freeze, SSF) was also applied ( 12 , 15 , 17 ). The generated images were assigned as the routine group.…”
Section: Methodsmentioning
confidence: 99%
“…However, motion artifacts and image noise decrease CCTA image quality (4-7), and thus affect the diagnosis, management, and treatment of CAD (8). Notably, 16-cm-wide coverage-detector CT with motion-corrected reconstruction algorithm Snapshot Freeze (SSF) has been shown to reduce respiratory movement and motion artifacts (9)(10)(11)(12)(13)(14)(15)(16). However, the image noise due to insufficient photon quantity in low-dose CCTA still needs to be overcome (17).…”
Section: Introductionmentioning
confidence: 99%
“…Over the past decade, coronary computed tomography angiography (CCTA) has been established as a reliable modality for the evaluation of coronary artery disease (CAD) 1,2 . However, the presence of motion-related artifacts due to the limited temporal resolution of computed tomography (CT) scanners, especially in patients with high heart rate (HR), degrades the image quality and diagnostic performance of CCTA 3,4 . For such reason, HR control plays a rather crucial role in obtaining satisfactory image quality of CCTA.…”
mentioning
confidence: 99%