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Journal of Cardiovascular Computed Tomography
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    • Cover Image - Journal of Cardiovascular Computed Tomography, Volume 17, Issue 2
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        The effect of patient and imaging characteristics on coronary CT angiography assessed pericoronary adipose tissue attenuation and gradient

          Boussoussou et al.
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        The direct costs of coronary CT angiography relative to contrast-enhanced thoracic CT: Time-driven activity-based costing

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  • Research paper
    Open Access

    The effect of patient and imaging characteristics on coronary CT angiography assessed pericoronary adipose tissue attenuation and gradient

    Journal of Cardiovascular Computed Tomography
    Vol. 17Issue 1p34–42Published online: October 5, 2022
    • Melinda Boussoussou
    • Borbála Vattay
    • Bálint Szilveszter
    • Judit Simon
    • Andrew Lin
    • Milán Vecsey-Nagy
    • and others
    Cited in Scopus: 0
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      Coronary CT angiography (CCTA) pericoronary adipose tissue (PCAT) markers are promising indicators of inflammation.
      The effect of patient and imaging characteristics on coronary CT angiography assessed pericoronary adipose tissue attenuation and gradient
    • Research paper

      Are risk factors necessary for pretest probability assessment of coronary artery disease? A patient similarity network analysis of the PROMISE trial

      Journal of Cardiovascular Computed Tomography
      Vol. 16Issue 5p397–403Published online: March 25, 2022
      • Márton Kolossváry
      • Thomas Mayrhofer
      • Maros Ferencik
      • Júlia Karády
      • Neha J. Pagidipati
      • Svati H. Shah
      • and others
      Cited in Scopus: 3
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        Pretest probability (PTP) calculators utilize epidemiological-level findings to provide patient-level risk assessment of obstructive coronary artery disease (CAD). However, their limited accuracies question whether dissimilarities in risk factors necessarily result in differences in CAD. Using patient similarity network (PSN) analyses, we wished to assess the accuracy of risk factors and imaging markers to identify ≥50% luminal narrowing on coronary CT angiography (CCTA) in stable chest-pain patients.
        Are risk factors necessary for pretest probability assessment of coronary artery disease? A patient similarity network analysis of the PROMISE trial
      • Research paper

        Value of semiquantitative assessment of high-risk plaque features on coronary CT angiography over stenosis in selection of studies for FFRct

        Journal of Cardiovascular Computed Tomography
        Vol. 16Issue 1p27–33Published online: June 16, 2021
        • Yuka Otaki
        • Donghee Han
        • Eyal Klein
        • Heidi Gransar
        • Rebekah H. Park
        • Balaji Tamarappoo
        • and others
        Cited in Scopus: 4
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          The degree of stenosis on coronary CT angiography (CCTA) guides referral for CT-derived flow reserve (FFRct). We sought to assess whether semiquantitative assessment of high-risk plaque (HRP) features on CCTA improves selection of studies for FFRct over stenosis assessment alone.
          Value of semiquantitative assessment of high-risk plaque features on coronary CT angiography over stenosis in selection of studies for FFRct
        • Research Article

          The accuracy of coronary CT angiography in patients with coronary calcium score above 1000 Agatston Units: Comparison with quantitative coronary angiography

          Journal of Cardiovascular Computed Tomography
          Vol. 15Issue 5p412–418Published online: March 20, 2021
          • Alan C. Kwan
          • Heidi Gransar
          • Evangelos Tzolos
          • Billy Chen
          • Yuka Otaki
          • Eyal Klein
          • and others
          Cited in Scopus: 9
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            High amounts of coronary artery calcium (CAC) pose challenges in interpretation of coronary CT angiography (CCTA). The accuracy of stenosis assessment by CCTA in patients with very extensive CAC is uncertain.
            The accuracy of coronary CT angiography in patients with coronary calcium score above 1000 Agatston Units: Comparison with quantitative coronary angiography
          • Research paper

            Validation of deep-learning image reconstruction for coronary computed tomography angiography: Impact on noise, image quality and diagnostic accuracy

            Journal of Cardiovascular Computed Tomography
            Vol. 14Issue 5p444–451Published online: January 13, 2020
            • Dominik C. Benz
            • Georgios Benetos
            • Georgios Rampidis
            • Elia von Felten
            • Adam Bakula
            • Aleksandra Sustar
            • and others
            Cited in Scopus: 83
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              The present study evaluated the impact of deep-learning image reconstruction (DLIR) on noise, image quality, and diagnostic accuracy. In 43 patients who underwent clinically indicated coronary CT angiography and invasive coronary angiography, image quality was improved by up to 62% at similar noise levels. In addition, DLIR-H yielded the highest noise reduction (up to 43%) and best image quality (improvement of up to 138%). More importantly, sensitivity (92% vs. 88%), specificity (73% vs. 73%) and diagnostic accuracy (82% vs. 80%) of DLIR were at least non-inferior to ASiR-V.
              Validation of deep-learning image reconstruction for coronary computed tomography angiography: Impact on noise, image quality and diagnostic accuracy
            • Research paper

              Low-kV coronary artery calcium scoring with tin filtration using a kV-independent reconstruction algorithm

              Journal of Cardiovascular Computed Tomography
              Vol. 14Issue 3p246–250Published online: November 29, 2019
              • Vincenzo Vingiani
              • Andres F. Abadia
              • U. Joseph Schoepf
              • Andreas M. Fischer
              • Akos Varga-Szemes
              • Pooyan Sahbaee
              • and others
              Cited in Scopus: 16
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                To investigate the accuracy of Agatston scoring and potential for radiation dose reduction of a coronary artery calcium scoring (CACS) CT protocol at 100 kV with tin filtration (Sn100kV) and kV-independent iterative reconstruction, compared to standard 120 kV acquisitions.
                Low-kV coronary artery calcium scoring with tin filtration using a kV-independent reconstruction algorithm
              • Research paper

                Influence of operator expertise and coronary luminal segmentation technique on diagnostic performance, precision and reproducibility of reduced-order CT-derived fractional flow reserve technique

                Journal of Cardiovascular Computed Tomography
                Vol. 14Issue 4p356–362Published online: November 26, 2019
                • Abdul Rahman Ihdayhid
                • Takuya Sakaguchi
                • Bridget Kerrisk
                • Jacqui Hislop-Jambrich
                • Yasuko Fujisawa
                • Nitesh Nerlekar
                • and others
                Cited in Scopus: 3
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                  Onsite workstation-based CT-derived Fractional-Flow-Reserve (CT-FFR) is accurate in assessing hemodynamic-significance of coronary stenoses. We aim to describe the influence of operator expertise and luminal-segmentation technique on the diagnostic performance, precision and reproducibility of CT-FFR in identifying hemodynamically-significant stenosis (FFR≤0.8).
                  Influence of operator expertise and coronary luminal segmentation technique on diagnostic performance, precision and reproducibility of reduced-order CT-derived fractional flow reserve technique
                • Case report

                  A rare coronary anomaly -- type 4 dual left anterior descending artery accompanying anomalous origin of the left coronary artery from the right coronary sinus

                  Journal of Cardiovascular Computed Tomography
                  Vol. 14Issue 5e51–e53Published online: January 25, 2019
                  • Yee-Fan Lee
                  • Jou-Hsuan Huang
                  • Jo-Yu Chen
                  • Wen-Jone Chen
                  • Wen-Jeng Lee
                  Cited in Scopus: 1
                  Online Only
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                    Invasive coronary angiography
                    A rare coronary anomaly -- type 4 dual left anterior descending artery accompanying anomalous origin of the left coronary artery from the right coronary sinus
                  • Research Article

                    Quantitative CT assessment identifies more heart transplanted patients with progressive coronary wall thickening than standard clinical read

                    Journal of Cardiovascular Computed Tomography
                    Vol. 13Issue 2p128–133Published online: November 19, 2018
                    • Mihály Károlyi
                    • Márton Kolossváry
                    • Andrea Bartykowszki
                    • Ildikó Kocsmár
                    • Bálint Szilveszter
                    • Júlia Karády
                    • and others
                    Cited in Scopus: 9
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                      We sought to compare quantitative coronary CT angiography (CTA) assessment versus standard clinical reading to identify heart transplanted (HTX) patients with progressive coronary wall thickening.
                      Quantitative CT assessment identifies more heart transplanted patients with progressive coronary wall thickening than standard clinical read
                    • Research Article

                      Artificial intelligence machine learning-based coronary CT fractional flow reserve (CT-FFRML): Impact of iterative and filtered back projection reconstruction techniques

                      Journal of Cardiovascular Computed Tomography
                      Vol. 13Issue 6p331–335Published online: October 25, 2018
                      • Domenico Mastrodicasa
                      • Moritz H. Albrecht
                      • U. Joseph Schoepf
                      • Akos Varga-Szemes
                      • Brian E. Jacobs
                      • Sebastian Gassenmaier
                      • and others
                      Cited in Scopus: 19
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                        The influence of computed tomography (CT) reconstruction algorithms on the performance of machine-learning-based CT-derived fractional flow reserve (CT-FFRML) has not been investigated. CT-FFRML values and processing time of two reconstruction algorithms were compared using an on-site workstation.
                        Artificial intelligence machine learning-based coronary CT fractional flow reserve (CT-FFRML): Impact of iterative and filtered back projection reconstruction techniques
                      • Research paper

                        The feasibility of Forward-projected model-based Iterative Reconstruction SoluTion (FIRST) for coronary 320-row computed tomography angiography: A pilot study

                        Journal of Cardiovascular Computed Tomography
                        Vol. 11Issue 1p40–45Published online: November 9, 2016
                        • Eriko Maeda
                        • Nobuo Tomizawa
                        • Shigeaki Kanno
                        • Koichiro Yasaka
                        • Takatoshi Kubo
                        • Kenji Ino
                        • and others
                        Cited in Scopus: 35
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                          We aimed to assess and compare the influence of Forward projected model-based Iterative Reconstruction SoluTion (FIRST), a recently introduced full iterative reconstruction method, on radiation doses and image quality with that of Adaptive Iterative Dose Reduction (AIDR) 3D for 320-row cardiac computed tomography (CT).
                          The feasibility of Forward-projected model-based Iterative Reconstruction SoluTion (FIRST) for coronary 320-row computed tomography angiography: A pilot study
                        • Images in Cardiovascular CT

                          Expanding pseudoaneurysm compressing the coronary arteries and causing cardiogenic shock

                          Journal of Cardiovascular Computed Tomography
                          Vol. 9Issue 3p230–231Published online: December 26, 2014
                          • Seth M. Maliske
                          • Laith Alshawabkeh
                          • Katie Schouweiler
                          • Gardar Sigurdsson
                          Cited in Scopus: 0
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                          • Video
                          A 37-year-old man who recently underwent aortic valve replacement after endocarditis presented with cardiogenic shock. A large expansile pseudoaneurysm was subsequently discovered using multiple imaging modalities. Although transesophageal echocardiography is important in diagnosing valve endocarditis, coronary CT angiography of prosthetic valves is feasible and image quality is good. In this case, coronary CT angiography allowed for better understanding of transesophageal echocardiography images and earlier diagnosis of coronary involvement as cause for left ventricular dysfunction.
                          Expanding pseudoaneurysm compressing the coronary arteries and causing cardiogenic shock
                        • Case report

                          Inadvertent anastomosis of saphenous vein graft to a cardiac vein detected with coronary computed tomographic angiography

                          Journal of Cardiovascular Computed Tomography
                          Vol. 2Issue 1p61–63Published online: December 14, 2007
                          • Mouaz Al-Mallah
                          • James Mohyi
                          • Karthik Ananthasubramaniam
                          Cited in Scopus: 0
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                          • Video
                          A 34-year-old man with a prior history of Hodgkin’s disease and coronary artery bypass surgery for radiation-induced left main disease presented with persistent chest pain. Cardiac catheterization showed near simultaneous filling of the venous system during arterial injection and could not precisely delineate the insertion point of the vein graft anastamosis to the diagonal branch, and the patient was referred for coronary computed tomography angiography (CTA). CTA demonstrated that the anastamosis of the graft was with a cardiac vein.
                          Inadvertent anastomosis of saphenous vein graft to a cardiac vein detected with coronary computed tomographic angiography
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