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Circulation. Cardiovascular Imaging

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https://www.readbyqxmd.com/read/28798138/native-t1-mapping-adding-a-new-dimension-to-the-characterization-of-acute-myocardial-infarction
#1
EDITORIAL
Pankaj Garg, Sven Plein
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28798137/cmr-native-t1-mapping-allows-differentiation-of-reversible-versus-irreversible-myocardial-damage-in-st-segment-elevation-myocardial-infarction-an-oxami-study-oxford-acute-myocardial-infarction
#2
Dan Liu, Alessandra Borlotti, Dafne Viliani, Michael Jerosch-Herold, Mohammad Alkhalil, Giovanni Luigi De Maria, Gregor Fahrni, Sam Dawkins, Rohan Wijesurendra, Jane Francis, Vanessa Ferreira, Stefan Piechnik, Matthew D Robson, Adrian Banning, Robin Choudhury, Stefan Neubauer, Keith Channon, Rajesh Kharbanda, Erica Dall'Armellina
BACKGROUND: CMR T1 mapping is a quantitative imaging technique allowing the assessment of myocardial injury early after ST-segment-elevation myocardial infarction. We sought to investigate the ability of acute native T1 mapping to differentiate reversible and irreversible myocardial injury and its predictive value for left ventricular remodeling. METHODS AND RESULTS: Sixty ST-segment-elevation myocardial infarction patients underwent acute and 6-month 3T CMR, including cine, T2-weighted (T2W) imaging, native shortened modified look-locker inversion recovery T1 mapping, rest first pass perfusion, and late gadolinium enhancement...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28794141/thick-walls-thin-data-measuring-left-ventricular-wall-thickness-with-mri-versus-echocardiography
#3
EDITORIAL
Brian B Ghoshhajra, Michael A Fifer
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28794140/risk-stratification-and-sudden-cardiac-death-is-it-time-to-include-autonomic-variables
#4
EDITORIAL
Houman Khakpour, Marmar Vaseghi
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28794139/denervated-myocardium-is-preferentially-associated-with-sudden-cardiac-arrest-in-ischemic-cardiomyopathy-a-pilot-competing-risks-analysis-of-cause-specific-mortality
#5
James A Fallavollita, Jonathan D Dare, Randolph L Carter, Sunil Baldwa, John M Canty
BACKGROUND: Previous studies have identified multiple risk factors that are associated with total cardiac mortality. Nevertheless, identifying specific factors that distinguish patients at risk of arrhythmic death versus heart failure could better target patients likely to benefit from implantable cardiac defibrillators, which have no impact on nonsudden cardiac death. METHODS AND RESULTS: We performed a pilot competing risks analysis of the National Institutes of Health-sponsored PAREPET trial (Prediction of Arrhythmic Events with Positron Emission Tomography)...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28794138/quantitative-assessment-of-coronary-microvascular-function-dynamic-single-photon-emission-computed-tomography-positron-emission-tomography-ultrasound-computed-tomography-and-magnetic-resonance-imaging
#6
Attila Feher, Albert J Sinusas
A healthy, functional microcirculation in combination with nonobstructed epicardial coronary arteries is the prerequisite of normal myocardial perfusion. Quantitative assessment in myocardial perfusion and determination of absolute myocardial blood flow can be achieved noninvasively using dynamic imaging with multiple imaging modalities. Extensive evidence supports the clinical value of noninvasively assessing indices of coronary flow for diagnosing coronary microvascular dysfunction; in certain diseases, the degree of coronary microvascular impairment carries important prognostic relevance...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28794137/discrepant-measurements-of-maximal-left-ventricular-wall-thickness-between-cardiac-magnetic-resonance-imaging-and-echocardiography-in-patients-with-hypertrophic-cardiomyopathy
#7
Waseem Hindieh, Adaya Weissler-Snir, Helene Hammer, Arnon Adler, Harry Rakowski, Raymond H Chan
BACKGROUND: We sought to compare maximal left ventricular (LV) wall thickness (WT) measurements as obtained by routine clinical practice between echocardiography and cardiac magnetic resonance (CMR) and document causes of discrepancy. METHODS AND RESULTS: One-hundred and ninety-five patients with hypertrophic cardiomyopathy (median age, 52.8±15.1 years) who underwent echocardiography and CMR imaging within 6 months (median, 41 days; interquartile range, 16-97 days) were included...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790128/it-works-determining-the-value-of-echocardiography-laboratory-accreditation
#8
EDITORIAL
John M Dent
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790127/t1-map-of-post-myocardial-infarction-for-precise-tissue-characterization
#9
EDITORIAL
Amr A Youssef, Phillip C Yang
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790126/response-by-von-roeder-et-al-to-letter-regarding-article-influence-of-left-atrial-function-on-exercise-capacity-and-left-ventricular-function-in-patients-with-heart-failure-and-preserved-ejection-fraction
#10
LETTER
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
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790125/understanding-sex-differences-in-coronary-artery-disease-risk-is-coronary-anatomy-sufficient
#11
EDITORIAL
Viviany R Taqueti, Ron Blankstein
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790124/letter-by-zakeri-and-redfield-regarding-article-influence-of-left-atrial-function-on-exercise-capacity-and-left-ventricular-function-in-patients-with-heart-failure-and-preserved-ejection-fraction
#12
LETTER
Rosita Zakeri, Margaret M Redfield
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790123/prognostic-significance-of-nonobstructive-left-main-coronary-artery-disease-in-women-versus-men-long-term-outcomes-from-the-confirm-coronary-ct-angiography-evaluation-for-clinical-outcomes-an-international-multicenter-registry
#13
Joe X Xie, Parham Eshtehardi, Tina Varghese, Abhinav Goyal, Puja K Mehta, William Kang, Jonathon Leipsic, Bríain Ó Hartaigh, C Noel Bairey Merz, Daniel S Berman, Heidi Gransar, Matthew J Budoff, Stephan Achenbach, Tracy Q Callister, Hugo Marques, Ronen Rubinshtein, Mouaz H Al-Mallah, Daniele Andreini, Gianluca Pontone, Filippo Cademartiri, Erica Maffei, Kavitha Chinnaiyan, Gilbert Raff, Martin Hadamitzky, Joerg Hausleiter, Gudrun Feuchtner, Philipp A Kaufmann, Todd C Villines, Benjamin J W Chow, James K Min, Leslee J Shaw
BACKGROUND: Patients with obstructive (≥50% stenosis) left main (LM) coronary artery disease (CAD) are at high risk for adverse events; prior studies have also documented worse outcomes among women than men with severe multivessel/LM CAD. However, the prognostic significance of nonobstructive (1%-49% stenosis) LM CAD, including sex-specific differences, has not been previously examined. METHODS AND RESULTS: In the long-term CONFIRM (Coronary CT Angiography Evaluation For Clinical Outcomes: An International Multicenter) registry, patients underwent elective coronary computed tomographic angiography for suspected CAD and were followed for 5 years...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790122/association-between-echocardiography-laboratory-accreditation-and-the-quality-of-imaging-and-reporting-for-valvular-heart-disease
#14
Jeremy J Thaden, Michael Y Tsang, Chadi Ayoub, Ratnasari Padang, Vuyisile T Nkomo, Stephen F Tucker, Cynthia S Cassidy, Merri Bremer, Garvan C Kane, Patricia A Pellikka
BACKGROUND: It is presumed that echocardiographic laboratory accreditation leads to improved quality, but there are few data. We sought to compare the quality of echocardiographic examinations performed at accredited versus nonaccredited laboratories for the evaluation of valvular heart disease. METHODS AND RESULTS: We enrolled 335 consecutive valvular heart disease subjects who underwent echocardiography at our institution and an external accredited or nonaccredited institution within 6 months...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28790121/cardiovascular-magnetic-resonance-relaxometry-predicts-regional-functional-outcome-after-experimental-myocardial-infarction
#15
Sebastian M Haberkorn, Christoph Jacoby, Zhaoping Ding, Petra Keul, Florian Bönner, Amin Polzin, Bodo Levkau, Jürgen Schrader, Malte Kelm, Ulrich Flögel
BACKGROUND: Cardiovascular magnetic resonance with gadolinium-based contrast agents has established as gold standard for tissue characterization after myocardial infarction (MI). Beyond accurate diagnosis, the value of cardiovascular magnetic resonance to predict the outcome after MI has yet to be substantiated. METHODS AND RESULTS: Recent cardiovascular magnetic resonance approaches were systematically compared for quantification of tissue injury and functional impairment after MI using murine models with permanent left anterior descending coronary artery ligation (n=14) or 50 minutes ischemia/reperfusion (n=13)...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28774933/vigilance-in-mitral-regurgitation-variation-and-the-way-forward
#16
EDITORIAL
Zainab Samad, Pamela S Douglas
No abstract text is available yet for this article.
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28774932/variation-in-the-echocardiographic-surveillance-of-primary-mitral-regurgitation
#17
Varsha K Tanguturi, Michael K Hidrue, Michael H Picard, Steven J Atlas, Jeffrey B Weilburg, Timothy G Ferris, Katrina Armstrong, Jason H Wasfy
BACKGROUND: Clinical outcomes after surgical treatment of mitral regurgitation are worse if intervention occurs after deterioration of left ventricular size and function. Transthoracic echocardiographic (TTE) surveillance of patients with mitral regurgitation is indicated to avoid adverse ventricular remodeling. Overly frequent TTEs can impair patient access and reduce value in care delivery. This balance between timely surveillance and overutilization of TTE in valvular disease provides a model to study variation in the delivery of healthcare services...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28733364/magnetic-resonance-imaging-of-myocardial-strain-after-acute-st-segment-elevation-myocardial-infarction-a-systematic-review
#18
REVIEW
Kenneth Mangion, Christie McComb, Daniel A Auger, Frederick H Epstein, Colin Berry
The purpose of this systematic review is to provide a clinically relevant, disease-based perspective on myocardial strain imaging in patients with acute myocardial infarction or stable ischemic heart disease. Cardiac magnetic resonance imaging uniquely integrates myocardial function with pathology. Therefore, this review focuses on strain imaging with cardiac magnetic resonance. We have specifically considered the relationships between left ventricular (LV) strain, infarct pathologies, and their associations with prognosis...
August 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28701530/the-good-the-bad-and-the-ugly-of-using-left-ventricular-longitudinal-myocardial-deformation-by-speckle-tracking-echocardiography-to-assess-patients-after-an-acute-myocardial-infarction
#19
EDITORIAL
Luigi P Badano, Denisa Muraru
No abstract text is available yet for this article.
July 2017: Circulation. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28701529/blood-pressure-arterial-load-and-survival-after-transcatheter-aortic-valve-replacement-reducing-the-gradient-is-only-part-of-the-picture
#20
EDITORIAL
Patrick T O'Gara
No abstract text is available yet for this article.
July 2017: Circulation. Cardiovascular Imaging
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