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Journal of Cardiovascular Computed Tomography

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https://www.readbyqxmd.com/read/30415961/type-2-persistent-fifth-aortic-arch-an-elusive-entity-diagnosed-on-computed-tomography-angiography
#1
Mumun Sinha, Rengarajan Rajagopal, Niraj Nirmal Pandey, Sanjeev Kumar
No abstract text is available yet for this article.
November 3, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30396864/global-longitudinal-strain-assessment-by-computed-tomography-in-severe-aortic-stenosis-patients-feasibility-using-feature-tracking-analysis
#2
Miho Fukui, Jeffrey Xu, Islam Abdelkarim, Michael S Sharbaugh, Floyd W Thoma, Andrew D Althouse, Gianni Pedrizzetti, João L Cavalcante
BACKGROUND: Global longitudinal strain (GLS) detects subclinical myocardial changes in patients with aortic stenosis (AS). Although GLS is typically measured by transthoracic echocardiography (TTE), assessment by multiphasic gated computed tomography angiography (CTA) has become recently available. We sought to evaluate the feasibility of CTA-derived GLS assessment and compare its agreement with TTE using the same post-processing software in severe AS patients undergoing transcatheter aortic valve replacement (TAVR) evaluation...
October 29, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30392925/quantitative-evaluation-of-non-ischemic-dilated-cardiomyopathy-by-late-iodine-enhancement-using-rapid-kv-switching-dual-energy-computed-tomography-a-feasibility-study
#3
Yasutoshi Ohta, Shinichiro Kitao, Hiroto Yunaga, Tomomi Watanabe, Natsuko Mukai-Yatagai, Junichi Kishimoto, Kazuhiro Yamamoto, Toshihide Ogawa
OBJECTIVES: The aim of this study was to evaluate the feasibility of myocardial iodine density and extracellular volume fraction (ECV) from delayed iodine density images using dual-energy computed tomography (DECT) for differentiation between non-ischemic dilated cardiomyopathy (NIDCM) patients and normal subjects. METHODS: Forty-six subjects were imaged, including 35 normal subjects and 11 patients with NIDCM. All subjects underwent myocardial delayed enhancement (MDE) imaging on rapid-kVp switching DECT...
October 29, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30391256/artificial-intelligence-machine-learning-based-coronary-ct-fractional-flow-reserve-ct-ffr-ml-impact-of-iterative-and-filtered-back-projection-reconstruction-techniques
#4
Domenico Mastrodicasa, Moritz H Albrecht, U Joseph Schoepf, Akos Varga-Szemes, Brian E Jacobs, Sebastian Gassenmaier, Domenico De Santis, Marwen H Eid, Marly van Assen, Chris Tesche, Cesare Mantini, Carlo N De Cecco
BACKGROUND: 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. METHODS: CT-FFRML was computed on 40 coronary CT angiography (CCTA) datasets that were reconstructed with both iterative reconstruction in image space (IRIS) and filtered back-projection (FBP) algorithms...
October 26, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30389341/left-atrial-appendage-closure-guided-by-3d-computed-tomography-printing-technology-a-case-control-study
#5
Michele Conti, Stefania Marconi, Giuseppe Muscogiuri, Marco Guglielmo, Andrea Baggiano, Gianpiero Italiano, Maria Elisabetta Mancini, Ferdinando Auricchio, Daniele Andreini, Mark G Rabbat, Andrea Igoren Guaricci, Gaetano Fassini, Alessio Gasparetti, Fabrizio Costa, Claudio Tondo, Anna Maltagliati, Mauro Pepi, Gianluca Pontone
BACKGROUND: We sought to evaluate the additional value of left atrial appendage (LAA) 3D printing derived from computed tomography (CCT) in determining the size for LAA occlusion (LAAO) devices as compared to standard measurement by using occurrence of LAA leak as endpoint. METHODS: We evaluated 6 patients with LAA leak (cases) and 14 matched patients without LAA leak (controls) after LAAO. For each group, a patient-specific 3D printed model of LAA was manufactured using CT pre-operative images...
October 26, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30389340/never-too-late-for-amplatzer-endocarditis-key-role-of-cardiac-ct-imaging
#6
Tom Kai Ming Wang, Ruvin Gabriel, Nicholas Kang, Jen-Li Looi
No abstract text is available yet for this article.
October 26, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30389339/coronary-arteriovenous-malformation-diagnosed-by-ccta-a-case-report
#7
Lavanya Cherukuri, Chandana Shekar, Sion K Roy, Priya Pillutla, Matthew J Budoff
No abstract text is available yet for this article.
October 26, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30385325/the-use-of-cardiovascular-ct-for-the-follow-up-of-paediatric-hypoplastic-left-heart-syndrome
#8
Emma Cheasty, Samir Mahboobani, Michael Rubens, Ed Nicol
No abstract text is available yet for this article.
October 26, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30385324/tetralogy-of-fallot-with-pulmonary-atresia-and-aorto-pulmonary-window-or-is-it-truncus-arteriosus
#9
Rengarajan Rajagopal, Mumun Sinha, Niraj Nirmal Pandey, Kanika Bhambri, Sanjeev Kumar
No abstract text is available yet for this article.
October 26, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30385326/optimized-interpretation-of-fractional-flow-reserve-derived-from-computed-tomography-comparison-of-three-interpretation-methods
#10
Hidenobu Takagi, Yu Ishikawa, Makoto Orii, Hideki Ota, Masanobu Niiyama, Ryoichi Tanaka, Yoshihiro Morino, Kunihiro Yoshioka
BACKGROUND: An optimal system for interpreting fractional flow reserve (FFR) values derived from CT (FFRCT ) is lacking. We sought to evaluate performance of three FFRCT measurements in detecting ischemia by comparing them with invasive FFR. METHODS: For 73 vessels in 50 patients who underwent coronary CT angiography (CCTA) and FFRCT analysis followed by invasive FFR, the greatest diameter stenosis on CCTA, FFRCT difference between distal and proximal to the stenosis (ΔFFRCT ), FFRCT 2 cm distal to the stenosis (lesion-specific FFRCT ), and the lowest FFRCT in distal vessel tip were calculated...
October 25, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30392926/coronary-computed-tomographic-imaging-in-women-an-expert-consensus-statement-from-the-society-of-cardiovascular-computed-tomography
#11
Quynh A Truong, Sarah Rinehart, Suhny Abbara, Stephan Achenbach, Daniel S Berman, Renee Bullock-Palmer, Patricia Carrascosa, Kavitha M Chinnaiyan, Damini Dey, Maros Ferencik, Gudrun Fuechtner, Harvey Hecht, Jill E Jacobs, Sang-Eun Lee, Jonathan Leipsic, Fay Lin, Aloha Meave, Francesca Pugliese, Lilia M Sierra-Galán, Michelle C Williams, Todd C Villines, Leslee J Shaw
This expert consensus statement from the Society of Cardiovascular Computed Tomography (SCCT) provides an evidence synthesis on the use of computed tomography (CT) imaging for diagnosis and risk stratification of coronary artery disease in women. From large patient and population cohorts of asymptomatic women, detection of any coronary artery calcium that identifies females with a 10-year atherosclerotic cardiovascular disease risk of >7.5% may more effectively triage women who may benefit from pharmacologic therapy...
October 23, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30377090/feasibility-of-extracellular-volume-quantification-using-dual-energy-ct
#12
Marly van Assen, Carlo N De Cecco, Pooyan Sahbaee, Marwen H Eid, L Parkwood Griffith, Maximilian J Bauer, Rock H Savage, Akos Varga-Szemes, Matthijs Oudkerk, Rozemarijn Vliegenthart, U Joseph Schoepf
ObjectiveTo assess the feasibility of dual energy CT (DECT) to derive myocardial extracellular volume (ECV) and detect myocardial ECV differences without a non-contrast acquisition, compared to single energy CT (SECT). MethodsSubjects (n = 35) with focal fibrosis (n = 17), diffuse fibrosis (n = 10), and controls (n = 9) underwent non-contrast and delayed acquisitions to calculate SECT-ECV. DECT-ECV was calculated using the delayed acquisition and the derived virtual non-contrast images. In the control and diffuse fibrotic groups, the entire myocardium of the left ventricle was used to calculate ECV...
October 22, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30391257/aortic-intramural-hematoma-with-unique-involvement-of-pulmonary-arteries
#13
Walter M Hodges, Leo Jia, Stephen F White, Smeet Patel, Jayanth Keshavamurthy
No abstract text is available yet for this article.
October 21, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30366860/the-evaluation-of-coronary-artery-to-pulmonary-artery-fistula-in-adulthood-on-256-slice-ct-coronary-angiography-comparison-with-coronary-catheter-angiography-and-transthoracic-echocardiography
#14
Jing-Lei Li, Lei Huang, Wei Zhu, Wei-Tao Ye, Li-Fen Yan, Xiao-Mei Zhong, Hai-Ying Luo, Sachin Saboo, Mei-Ping Huang, Chang-Hong Liang
OBJECTIVE: To review the imaging features of coronary artery-to-pulmonary artery fistula (CPAF) on CT coronary angiography (CTCA) and evaluate its diagnostic performance compared with coronary catheter angiography (CCA) and transthoracic echocardiography (TTE). MATERIALS AND METHODS: We retrospectively reviewed with a diagnosis of CPAF from among 19855 consecutive CCTA performed with 256-slice MDCT scanner for suspected coronary artery disease. CT images were evaluated for - origin, number, size and course (tubular/worm-like dilation/significant aneurysm formation/wall attachment sign) of fistula vessels, drainage site, drainage site imaging features (pierced sign, isodensity sign, smoke sign, jet sign), and main pulmonary artery (MPA) enlargement...
October 19, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30366859/coronary-artery-calcium-a-technical-argument-for-a-new-scoring-method
#15
REVIEW
Martin J Willemink, Niels R van der Werf, Koen Nieman, Marcel J W Greuter, Lynne M Koweek, Dominik Fleischmann
Coronary artery calcium (CAC) is a strong predictor for future cardiovascular events. Traditionally CAC has been quantified using the Agatston score, which was developed in the late 1980s for electron beam tomography (EBT). While EBT has been completely replaced by modern multiple-detector row CT technology, the traditional CAC scoring method by Agatston remains in use, although the literature indicates suboptimal reproducibility and subjects being incorrectly classified. The traditional Agatston scoring method counteracts the technical advances of CT technology, and prevents the use of thinner sections, obtained at lower tube voltage and overall decreased radiation exposure that has become available to other CT applications...
October 19, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30361179/the-journal-of-cardiovascular-computed-tomography-year-in-review-2018
#16
REVIEW
Subhi J Al'Aref, Zorana Mrsic, Gudrun Feuchtner, James K Min, Todd C Villines
Since the introduction of ≥64 detector row coronary computed tomography angiography (CCTA) as a noninvasive imaging modality, various clinical trials have established its diagnostic performance and prognostic significance when compared to other anatomic and functional tests for coronary artery disease (CAD). CCTA has been increasingly utilized for a wide range of clinical scenarios, driven by both advances in technology as well as data showing improvement in outcomes. Accumulating evidence has continually refined and supported the central role of CCTA within clinical care, and this year has witnessed continued evolution of the application of CCTA within healthcare and translational research...
October 19, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30342979/-heavy-hearted-havoc-a-case-series-of-petrified-myocardium
#17
Michael S Furman, Terrance T Healey, Saurabh Agarwal, David J Grand, Michael K Atalay
No abstract text is available yet for this article.
October 15, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30340961/iliofemoral-artery-lumen-volume-assessment-with-three-dimensional-multi-detector-computed-tomography-and-vascular-complication-risk-in-transfemoral-transcatheter-aortic-valve-replacement
#18
Yoav Hammer, Uri Landes, Oren Zusman, Ran Kornowski, Guy Witberg, Katia Orvin, Amos Levi, Pablo Codner, Hanna Vaknin-Assa, Mithal Nassar, Gideon Shafir, Abid Assali, Ashraf Hamdan
BACKGROUND: Transfemoral Transcatheter Aortic Valve Replacement (TAVR) carries a risk of Vascular Complications (VCs) at the access site. The currently used measures for assessing the risk for VCs are not accurate enough, and sometimes fail to predict them. We therefore aimed to examine whether Iliofemoral artery lumen volume (IFV) assessment with 3-dimensional computed tomography (CT) predicts VCs after transfemoral TAVR. METHODS: We identified 45/560 trans-femoral TAVR patients with VC, then performed nearest neighbor 1:1 matching for patients with no VC, matching for age, sex, TAVR year, valve size and type, closure-device, sheath size and peripheral vascular disease...
October 13, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30337275/optimizing-coronary-artery-calcium-scanning-to-meet-the-challenges-of-population-screening
#19
EDITORIAL
Andrew J Einstein
No abstract text is available yet for this article.
October 13, 2018: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/30340962/secondary-cardiac-risk-stratifying-tests-after-coronary-computed-tomography-angiography-in-emergency-department-patients
#20
Vincent A Verheij, Jan-Erik Scholtz, Nandini M Meyersohn, Blair A Parry, Udo Hoffmann, Brian B Ghoshhajra, John T Nagurney
BACKGROUND: Several large trials demonstrated that coronary computed tomography angiography (CTA) in a triage strategy could lead to increased secondary cardiac risk stratifying testing (SCRST). Whether this is true for routine clinical care remains unclear. We measured SCRSTs after coronary CTA was implemented in our emergency department (ED) practice by CTA result, and if locally existing management recommendations for a structured post CTA diagnostic strategy were followed. METHODS: This single site retrospective cohort study included all our ED patients who received coronary CTA between October 1, 2012 and September 30, 2016...
October 11, 2018: Journal of Cardiovascular Computed Tomography
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