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Circulation. Cardiovascular Imaging

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https://www.readbyqxmd.com/read/28213451/why-edema-is-a-matter-of-the-heart
#1
EDITORIAL
Matthias G Friedrich
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28213450/optimal-vasodilation-protocols-the-devil-is-in-the-details
#2
EDITORIAL
Paul Knaapen
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28213449/optimal-adenosine-stress-for-maximum-stress-perfusion-coronary-flow-reserve-and-pixel-distribution-of-coronary-flow-capacity-by-kolmogorov-smirnov-analysis
#3
Danai Kitkungvan, Dejian Lai, Hongjian Zhu, Amanda E Roby, Nils P Johnson, Derek D Steptoe, Monica B Patel, Richard Kirkeeide, K Lance Gould
BACKGROUND: Different adenosine stress imaging protocols have not been systemically validated for absolute myocardial perfusion and coronary flow reserve (CFR) by positron emission tomography, where submaximal stress precludes assessing physiological severity of coronary artery disease. METHODS AND RESULTS: In 127 volunteers, serial rest-stress positron emission tomography scans using rubidium-82 with various adenosine infusion protocols identified (1) the protocol with maximum stress perfusion and CFR, (2) test-retest precision in same subject, (3) stress perfusion and CFR after adenosine compared with dipyridamole, (4) heterogeneity of coronary flow capacity combining stress perfusion and CFR, and (5) potential relevance for patients with risk factors or coronary artery disease...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28213448/detection-and-monitoring-of-acute-myocarditis-applying-quantitative-cardiovascular-magnetic-resonance
#4
Florian von Knobelsdorff-Brenkenhoff, Johannes Schüler, Serkan Dogangüzel, Matthias A Dieringer, Andre Rudolph, Andreas Greiser, Peter Kellman, Jeanette Schulz-Menger
BACKGROUND: Cardiovascular magnetic resonance based on the Lake Louise Criteria is used to make the diagnosis of acute myocarditis. Novel quantitative parametric mapping techniques promise to overcome some of its limitations. We aimed to evaluate quantitative cardiovascular magnetic resonance to detect and monitor acute myocarditis. METHODS AND RESULTS: Eighteen patients with clinical diagnosis of acute myocarditis (25 years [23-38 years]; 78% males) were prospectively enrolled and repeatedly underwent cardiovascular magnetic resonance at 1...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28196798/left-atrial-volumes-in-health-and-disease-measured-using-cardiac-magnetic-resonance
#5
EDITORIAL
Rohan S Wijesurendra, Oliver J Rider, Stefan Neubauer
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28196797/left-atrial-structure-in-relationship-to-age-sex-ethnicity-and-cardiovascular-risk-factors-mesa-multi-ethnic-study-of-atherosclerosis
#6
Filip Zemrak, Bharath Ambale-Venkatesh, Gabriella Captur, Jonathan Chrispin, Ela Chamera, Mohammadali Habibi, Saman Nazarian, Saidi A Mohiddin, James C Moon, Steffen E Petersen, João A C Lima, David A Bluemke
BACKGROUND: Left atrial (LA) size is a marker of diastolic function and is associated with atrial fibrillation and cardiovascular outcomes. However, there are no large population studies measuring LA structure. The relationship of demographics and cardiovascular risk factors to LA size is largely unknown. This study aimed to determine associations of LA size with demographic factors, cardiac structure and function, and cardiovascular risk factors. METHODS AND RESULTS: LA volume indexed to body surface area was measured by cardiovascular magnetic resonance steady-state free precession and fast gradient echo cine long- and short-axis images in 2576 asymptomatic participants of MESA ([Multi-Ethnic Study of Atherosclerosis] 68...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28193615/phenotype-genotype-correlation-in-hypertrophic-cardiomyopathy-less-signal-more-noise
#7
EDITORIAL
Albree Tower-Rader, Milind Y Desai
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28193614/an-unwelcome-embrace-adverse-pulmonary-aortic-interactions-in-pulmonary-hypertension
#8
EDITORIAL
Michael A Quail, Vivek Muthurangu
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28193613/apparent-aortic-stiffness-in-children-with-pulmonary-arterial-hypertension-existence-of-vascular-interdependency
#9
Michal Schäfer, D Dunbar Ivy, Steven H Abman, Alex J Barker, Lorna P Browne, Brian Fonseca, Vitaly Kheyfets, Kendall S Hunter, Uyen Truong
BACKGROUND: Left ventricular dysfunction, mediated by ventricular interdependence, has been associated with negative outcomes in children with pulmonary arterial hypertension (PAH). Considering the dilation of the pulmonary arteries as a paramount sign of PAH, we hypothesized that the ascending aorta will present signs of apparent stiffness in children with PAH and that this effect may be because of mechanical interaction with the dilated main pulmonary artery (MPA). METHODS AND RESULTS: Forty-two children with PAH and 26 age- and size-matched controls underwent comprehensive cardiac magnetic resonance evaluation...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28193612/lack-of-phenotypic-differences-by-cardiovascular-magnetic-resonance-imaging-in-myh7-%C3%AE-myosin-heavy-chain-versus-mybpc3-myosin-binding-protein-c-related-hypertrophic-cardiomyopathy
#10
Adaya Weissler-Snir, Waseem Hindieh, Christiane Gruner, Dana Fourey, Evan Appelbaum, Ethan Rowin, Melanie Care, John R Lesser, Tammy S Haas, James E Udelson, Warren J Manning, Iacopo Olivotto, Benedetta Tomberli, Barry J Maron, Martin S Maron, Andrew M Crean, Harry Rakowski, Raymond H Chan
BACKGROUND: The 2 most commonly affected genes in hypertrophic cardiomyopathy (HCM) are MYH7 (β-myosin heavy chain) and MYBPC3 (β-myosin-binding protein C). Phenotypic differences between patients with mutations in these 2 genes have been inconsistent. Scarce data exist on the genotype-phenotype association as assessed by tomographic imaging using cardiac magnetic resonance imaging. METHODS AND RESULTS: Cardiac magnetic resonance imaging was performed on 358 consecutive genotyped hypertrophic cardiomyopathy probands at 5 tertiary hypertrophic cardiomyopathy centers...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28174199/three-dimensional-echocardiography-and-right-ventricular-function-the-beauty-and-the-beast
#11
EDITORIAL
Covadonga Fernández-Golfín, Jose L Zamorano
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28174198/the-puzzle-of-noninvasive-testing-in-women-filling-in-the-pieces-with-the-crescent-trial-calcium-imaging-and-selective-ct-angiography-in-comparison-to-functional-testing-for-suspected-coronary-artery-disease
#12
EDITORIAL
https://www.readbyqxmd.com/read/28174197/prognostic-value-of-right-ventricular-ejection-fraction-assessed-by-transthoracic-3d-echocardiography
#13
Yasufumi Nagata, Victor Chien-Chia Wu, Yuichiro Kado, Kyoko Otani, Fen-Chiung Lin, Yutaka Otsuji, Kazuaki Negishi, Masaaki Takeuchi
BACKGROUND: Cardiac magnetic resonance is the gold standard for the evaluation of right ventricular (RV) volumes, but it is impractical to perform in every patient. Although reference values of RV volumes and RV ejection fraction by 3D transthoracic echocardiography (3DTTE) have been established, their prognostic values have not been elucidated yet. We hypothesized that RV ejection fraction measured by 3DTTE (3DRVEF) predicts future cardiovascular events. METHODS AND RESULTS: In protocol 1, we determined the accuracy of RV volumes and RV ejection fraction measurements by 3DTTE against cardiac magnetic resonance in 60 subjects...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28174196/sex-differences-in-the-performance-of-cardiac-computed-tomography-compared-with-functional-testing-in-evaluating-stable-chest-pain-subanalysis-of-the-multicenter-randomized-crescent-trial-calcium-imaging-and-selective-ct-angiography-in-comparison-to-functional
#14
Marisa Lubbers, Adriaan Coenen, Tobias Bruning, Tjebbe Galema, Jurgen Akkerhuis, Boudewijn Krenning, Paul Musters, Mohamed Ouhlous, Ahno Liem, Andre Niezen, Admir Dedic, Ron van Domburg, Miriam Hunink, Koen Nieman
BACKGROUND: Cardiac computed tomography (CT) represents an alternative diagnostic strategy for women with suspected coronary artery disease, with potential benefits in terms of effectiveness and cost-efficiency. METHODS AND RESULTS: The CRESCENT trial (Calcium Imaging and Selective CT Angiography in Comparison to Functional Testing for Suspected Coronary Artery Disease) prospectively randomized 350 patients with stable angina (55% women; aged 55±10 years), mostly with an intermediate coronary artery disease probability, between cardiac CT and functional testing...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28174195/correction
#15
(no author information available yet)
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28153950/left-atrial-remodeling-more-than-just-left-atrial-enlargement
#16
EDITORIAL
Brian D Hoit
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28153949/factors-associated-with-left-atrial-remodeling-in-the-general-population
#17
Walter Oliver, Gwendolyn Matthews, Colby R Ayers, Sonia Garg, Sachin Gupta, Ian J Neeland, Mark H Drazner, Jarett D Berry, Susan Matulevicius, James A de Lemos
BACKGROUND: Although contributors to remodeling of the left ventricle (LV) have been well studied in general population cohorts, few data are available describing factors influencing changes in left atrial (LA) structure. METHODS AND RESULTS: Maximum LA volume was determined by cardiac magnetic resonance imaging among 748 participants in the Dallas Heart Study at 2 visits a mean of 8 years apart. Associations of changes in LA volume (ΔLAV) with traditional risk factors, biomarkers, LV geometry, and remodeling by cardiac magnetic resonance imaging and detailed measurements of global and regional adiposity (by magnetic resonance imaging and dual-energy x ray absorptiometry) were assessed using multivariable linear regression...
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28108433/enhanced-ep4-expression-in-a-pulmonary-artery-aneurysm-with-dissection-in-a-patient-with-pulmonary-arterial-hypertension
#18
Satoshi Akagi, Kazufumi Nakamura, Utako Yokoyama, Shingo Kasahara, Toshihiro Sarashina, Kentaro Ejiri, Hiroshi Ito
No abstract text is available yet for this article.
February 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28093416/noninvasive-estimation-of-the-severity-of-aortic-stenosis-going-beyond-bernoulli
#19
EDITORIAL
Alan G Fraser, Piet Claus
No abstract text is available yet for this article.
January 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28093415/the-aging-human-heart
#20
EDITORIAL
João A C Lima
No abstract text is available yet for this article.
January 2017: Circulation. Cardiovascular Imaging
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