Artifacts at cardiac CT: physics and solutions

K Kalisz, J Buethe, SS Saboo, S Abbara… - Radiographics, 2016 - pubs.rsna.org
Computed tomography is vulnerable to a wide variety of artifacts, including patient-and
technique-specific artifacts, some of which are unique to imaging of the heart. Motion is the …

Image quality of automatic coronary CT angiography reconstruction for patients with HR≥ 75 bpm using an AI-assisted 16-cm z-coverage CT scanner

C Yan, G Zhou, X Yang, X Lu, M Zeng, M Ji - BMC Medical Imaging, 2021 - Springer
Abstract Background Coronary CT angiography (CCTA) is a complicated CT exam in
comparison to other CT protocols. Exam success highly depends on image assessment of …

Comparative safety and effectiveness of coronary computed tomography: Systematic review and meta-analysis including 11 randomized controlled trials and 19,957 …

F Nudi, M Lotrionte, LM Biasucci, M Peruzzi… - International Journal of …, 2016 - Elsevier
Background/objectives The clinical approach to suspected or established coronary artery
disease (CAD) has been revolutionized in the last few decades by coronary computed …

Deep learning‐based motion correction algorithm for coronary CT angiography: Lowering the phase requirement for morphological and functional evaluation

X Yao, S Zhong, M Xu, G Zhang, Y Yuan… - Journal of Applied …, 2023 - Wiley Online Library
Purpose To investigate the performance of a deep learning‐based motion correction
algorithm (MCA) at various cardiac phases of coronary computed tomography angiography …

[HTML][HTML] The effect of scan and patient parameters on the diagnostic performance of AI for detecting coronary stenosis on coronary CT angiography

RA Jonas, E Barkovich, AD Choi, WF Griffin, J Riess… - Clinical imaging, 2022 - Elsevier
Objectives To determine whether coronary computed tomography angiography (CCTA)
scanning, scan preparation, contrast, and patient based parameters influence the diagnostic …

Usefulness of second-generation motion correction algorithm in improving delineation and reducing motion artifact of coronary computed tomography angiography

S Yamaguchi, Y Ichikawa, M Takafuji, H Sakuma… - Journal of …, 2024 - Elsevier
Background The purpose of this study was to investigate the usefulness of second-
generation intra-cycle motion correction algorithm (SnapShot Freeze 2, GE Healthcare …

Evaluation of motion artifact metrics for coronary CT angiography

H Ma, E Gros, A Szabo, SG Baginski, ZR Laste… - Medical …, 2018 - Wiley Online Library
Purpose This study quantified the performance of coronary artery motion artifact metrics
relative to human observer ratings. Motion artifact metrics have been used as part of motion …

A preliminary study of computed tomography coronary angiography within a single cardiac cycle in patients with atrial fibrillation using 256-row detector computed …

B Wen, L Xu, J Liang, Z Fan, Z Sun - Journal of Computer Assisted …, 2018 - journals.lww.com
Objective The purpose of this study was to evaluate the image quality and radiation dose of
computed tomography (CT) coronary angiography using a 256-row detector CT scanner in a …

Clinical evaluation of new automatic coronary-specific best cardiac phase selection algorithm for single-beat coronary CT angiography

H Wang, L Xu, Z Fan, J Liang, Z Yan, Z Sun - PLoS One, 2017 - journals.plos.org
The aim of this study was to evaluate the workflow efficiency of a new automatic coronary-
specific reconstruction technique (Smart Phase, GE Healthcare—SP) for selection of the …

Eigenbin compression for reducing photon‐counting CT data size

TG Schmidt, Z Yin, J Yao, J Fan - Medical Physics, 2024 - Wiley Online Library
Abstract Background Photon‐counting CT (PCCT) systems acquire multiple spectral
measurements at high spatial resolution, providing numerous image quality benefits while …