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Circulation. Cardiovascular Imaging

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https://www.readbyqxmd.com/read/28400485/imaging-to-diagnose-and-manage-patients-in-heart-failure-with-reduced-ejection-fraction
#1
Sherif F Nagueh, Su Min Chang, Faisal Nabi, Dipan J Shah, Jerry D Estep
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28389509/chronic-total-occlusion-percutaneous-coronary-intervention-preparation-is-the-key-to-success
#2
EDITORIAL
Neal Sawlani, Deepak L Bhatt
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28389508/stress-computed-tomographic-perfusion-are-we-ready-for-the-green-light
#3
EDITORIAL
Gianluca Pontone, Mark G Rabbat, Andrea I Guaricci
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28389507/coronary-computed-tomography-angiography-predicts-guidewire-crossing-and-success-of-percutaneous-intervention-for-chronic-total-occlusion-korean-multicenter-cto-ct-registry-score-as-a-tool-for-assessing-difficulty-in-chronic-total-occlusion-percutaneous-coronary
#4
Cheol-Woong Yu, Hyun-Jong Lee, Jon Suh, Nae-Hee Lee, Sang-Min Park, Taek Kyu Park, Jeong Hoon Yang, Young Bin Song, Joo-Yong Hahn, Seung Hyuk Choi, Hyeon-Cheol Gwon, Sang-Hoon Lee, Yeon Hyeon Choe, Sung Mok Kim, Jin-Ho Choi
BACKGROUND: We developed a model that predicts difficulty of percutaneous coronary intervention for coronary chronic total occlusion (CTO) using coronary computed tomographic angiography. METHODS AND RESULTS: A total of 684 CTO lesions with preprocedural computed tomographic angiography were enrolled from 4 centers. Data were randomly divided into derivation and validation datasets at 2:1 ratio. The end point was successful guidewire crossing ≤30 minutes, which was met in 50%...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28389506/dynamic-computed-tomography-myocardial-perfusion-imaging-comparison-of-clinical-analysis-methods-for-the-detection-of-vessel-specific-ischemia
#5
Alexia Rossi, Andrew Wragg, Ernst Klotz, Federica Pirro, James C Moon, Koen Nieman, Francesca Pugliese
BACKGROUND: The clinical analysis of myocardial dynamic computed tomography myocardial perfusion imaging lacks standardization. The objective of this prospective study was to compare different analysis approaches to diagnose ischemia in patients with stable angina referred for invasive coronary angiography. METHODS AND RESULTS: Patients referred for evaluation of stable angina symptoms underwent adenosine-stress dynamic computed tomography myocardial perfusion imaging with a second-generation dual-source scanner...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28377469/-18-f-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-in-cardiac-implantable-electronic-devices-infection-ready-for-routine-care
#6
EDITORIAL
François Rouzet, Dominique Le Guludec
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28377468/positron-emission-tomography-and-single-photon-emission-computed-tomography-imaging-in-the-diagnosis-of-cardiac-implantable-electronic-device-infection-a-systematic-review-and-meta-analysis
#7
Daniel Juneau, Mohammad Golfam, Samir Hazra, Lionel S Zuckier, Shady Garas, Calum Redpath, Jordan Bernick, Eugene Leung, Sharon Chih, George Wells, Rob S B Beanlands, Benjamin J W Chow
BACKGROUND: The use of cardiac implantable electronic devices (CIED) is increasing, and their associated infections result in significant morbidity and mortality. The introduction of better cardiac imaging techniques could be useful for diagnosing this condition and guiding therapy. Our objective was to systematically assess the diagnostic accuracy of Fluor-18-fluorodeoxyglucose positron emission tomography and computed tomography, labeled leukocyte scintigraphy (LS), and Gallium-67 citrate scintigraphy for the diagnosis of CIED infection...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28377467/safety-with-echocardiographic-contrast-agents
#8
Preetham R Muskula, Michael L Main
In October 2007, the Food and Drug Administration mandated significant revisions to product labeling for the commercially available echocardiographic contrast agents (ECA) Definity and Optison after spontaneous healthcare provider reports of 4 patient deaths and ≈190 severe cardiopulmonary reactions occurring in close temporal relationship to ECA administration. Since then, multiple large ECA safety studies have been published and have included outpatients, hospitalized patients (including the critically ill), patients undergoing stress echocardiography, and patients with pulmonary hypertension...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360265/pulmonary-vascular-function-during-exercise-progressing-toward-routine-clinical-use
#9
EDITORIAL
Guido Claessen, Andre La Gerche
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360264/changing-the-paradigm-in-type-b-acute-aortic-dissection-combining-clinical-and-imaging-markers-of-risk
#10
EDITORIAL
Troy M LaBounty, Kim A Eagle
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360263/stepping-out-of-the-left-ventricle-s-shadow-time-to-focus-on-the-left-atrium-in-heart-failure-with-preserved-ejection-fraction
#11
EDITORIAL
Benjamin H Freed, Sanjiv J Shah
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360262/accuracy-of-echocardiography-to-estimate-pulmonary-artery-pressures-with-exercise-a-simultaneous-invasive-noninvasive-comparison
#12
Annelieke C M J van Riel, Alexander R Opotowsky, Mário Santos, Jose M Rivero, Andy Dhimitri, Barbara J M Mulder, Berto J Bouma, Michael J Landzberg, Aaron B Waxman, David M Systrom, Amil M Shah
BACKGROUND: Exercise echocardiography is often applied as a noninvasive strategy to screen for abnormal pulmonary hemodynamic response, but it is technically challenging, and limited data exist regarding its accuracy to estimate pulmonary arterial pressure during exercise. METHODS AND RESULTS: Among 65 patients with exertional intolerance undergoing upright invasive exercise testing, tricuspid regurgitation (TR) Doppler estimates and invasive measurement of pulmonary arterial pressure at rest and peak exercise were simultaneously obtained...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360261/computed-tomography-imaging-features-in-acute-uncomplicated-stanford-type-b-aortic-dissection-predict-late-adverse-events
#13
Anna M Sailer, Sander M J van Kuijk, Patricia J Nelemans, Anne S Chin, Aya Kino, Mark Huininga, Johanna Schmidt, Gabriel Mistelbauer, Kathrin Bäumler, Peter Chiu, Michael P Fischbein, Michael D Dake, D Craig Miller, Geert Willem H Schurink, Dominik Fleischmann
BACKGROUND: Medical treatment of initially uncomplicated acute Stanford type-B aortic dissection is associated with a high rate of late adverse events. Identification of individuals who potentially benefit from preventive endografting is highly desirable. METHODS AND RESULTS: The association of computed tomography imaging features with late adverse events was retrospectively assessed in 83 patients with acute uncomplicated Stanford type-B aortic dissection, followed over a median of 850 (interquartile range 247-1824) days...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360260/multiparametric-imaging-of-organ-system-interfaces
#14
Katrien Vandoorne, Matthias Nahrendorf
Cardiovascular diseases are a consequence of genetic and environmental risk factors that together generate arterial wall and cardiac pathologies. Blood vessels connect multiple systems throughout the entire body and allow organs to interact via circulating messengers. These same interactions facilitate nervous and metabolic system's influence on cardiovascular health. Multiparametric imaging offers the opportunity to study these interfacing systems' distinct processes, to quantify their interactions, and to explore how these contribute to cardiovascular disease...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28360259/influence-of-left-atrial-function-on-exercise-capacity-and-left-ventricular-function-in-patients-with-heart-failure-and-preserved-ejection-fraction
#15
Maximilian von Roeder, Karl-Philipp Rommel, Johannes Tammo Kowallick, Stephan Blazek, Christian Besler, Karl Fengler, Joachim Lotz, Gerd Hasenfuß, Christian Lücke, Matthias Gutberlet, Gerhard Schuler, Andreas Schuster, Philipp Lurz
BACKGROUND: Although left atrial (LA) dysfunction is common in heart failure with preserved ejection fraction (HFpEF), its functional implications beyond the reflection of left ventricular (LV) pathology are not well understood. The aim of this study was to further characterize LA function in HFpEF patients. METHODS AND RESULTS: We performed cardiac magnetic resonance myocardial feature tracking in 22 patients with HFpEF and 12 patients without HFpEF. LA reservoir strain, LA conduit strain, and LA booster pump strain were quantified...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28351908/unraveling-the-significance-of-abnormal-blood-pressure-responses-during-dobutamine-stress-echocardiography
#16
EDITORIAL
Ferande Peters, Bijoy K Khandheria
No abstract text is available yet for this article.
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28351907/frequency-predictors-and-implications-of-abnormal-blood-pressure-responses-during-dobutamine-stress-echocardiography
#17
Sara Abram, Adelaide M Arruda-Olson, Christopher G Scott, Patricia A Pellikka, Vuyisile T Nkomo, Jae K Oh, Alberto Milan, Mohamed M Abidian, Robert B McCully
BACKGROUND: It is not known whether abnormal blood pressure (BP) responses during dobutamine stress echocardiography (DSE) are associated with abnormal test results, nor if such results indicate obstructive coronary artery disease (CAD). We sought to define the frequency of abnormal BP responses during DSE and their impact on accuracy of test results. METHODS AND RESULTS: We studied 21 949 patients who underwent DSE at Mayo Clinic, Rochester, MN, grouped by peak systolic BP achieved during the test...
April 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28298289/cardiac-amyloidosis-a-zebra-hiding-in-plain-sight
#18
EDITORIAL
Frederick L Ruberg
No abstract text is available yet for this article.
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28298288/-18-f-fluorodeoxyglucose-imaging-of-inflammation-ready-to-represent-a-standard-in-diagnosing-endocarditis
#19
EDITORIAL
Gianmario Sambuceti, Silvia Morbelli, Anna Maria Orengo, Matteo Bauckneht, Cecilia Marini
No abstract text is available yet for this article.
March 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28298287/body-and-heart-effects-of-weight-gain-and-loss-on-left-ventricular-size-and-function
#20
EDITORIAL
John S Gottdiener, Willem J Kop
No abstract text is available yet for this article.
March 2017: Circulation. Cardiovascular Imaging
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