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JACC. Cardiovascular Imaging

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https://www.readbyqxmd.com/read/28780194/scar-characterization-to-predict-life-threatening-arrhythmic-events-and%C3%A2-sudden-cardiac-death-in-patients-with-cardiac-resynchronization-therapy-the-gaudi-crt-study
#1
Juan Acosta, Juan Fernández-Armenta, Roger Borràs, Ignasi Anguera, Felipe Bisbal, Julio Martí-Almor, Jose M Tolosana, Diego Penela, David Andreu, David Soto-Iglesias, Reinder Evertz, María Matiello, Concepción Alonso, Roger Villuendas, Teresa M de Caralt, Rosario J Perea, Jose T Ortiz, Xavier Bosch, Luis Serra, Xavier Planes, Andreas Greiser, Okan Ekinci, Luis Lasalvia, Lluis Mont, Antonio Berruezo
OBJECTIVES: The aim of this study was to analyze whether scar characterization could improve the risk stratification for life-threatening ventricular arrhythmias and sudden cardiac death (SCD). BACKGROUND: Among patients with a cardiac resynchronization therapy (CRT) indication, appropriate defibrillator (CRT-D) therapy rates are low. METHODS: Primary prevention patients with a class I indication for CRT were prospectively enrolled and assigned to CRT-D or CRT pacemaker according to physician's criteria...
July 28, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734928/lv-mass-independently-predicts-mortality-and-need-for-future-revascularization-in%C3%A2-patients-undergoing-diagnostic-coronary-angiography
#2
Ahmed Abdi-Ali, Robert J H Miller, Danielle Southern, Mei Zhang, Yoko Mikami, Merril Knudtson, Bobak Heydari, Andrew G Howarth, Carmen P Lydell, Mathew T James, Stephen B Wilton, James A White
OBJECTIVES: The goal of this study was to assess associations between left ventricular (LV) mass, all-cause mortality, and need for revascularization in patients undergoing coronary angiography. BACKGROUND: LV hypertrophy is associated with adverse cardiovascular outcomes in healthy subjects. However, its influence in those with known or suspected coronary artery disease is poorly understood. METHODS: A total of 3,754 patients (mean age 59...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734927/4-dimensionally-guided-3-dimensional-color-doppler-ultrasonography-quantifies-carotid-artery-stenosis-with-high-reproducibility-and-accuracy
#3
Roland Richard Macharzina, Sascha Kocher, Steven R Messé, Thomas Rutkowski, Fabian Hoffmann, Matthias Vogt, Werner Vach, Nian Fan, Aljoscha Rastan, Franz-Josef Neumann, Thomas Zeller
OBJECTIVES: The purpose was to analyze the agreement and binary accuracy of the degree of internal carotid artery stenosis (ICAS) as determined by 4-dimensionally (4D) real-time gray-scale guided 3-dimensional (3D) color-Doppler ultrasonography (3DC-US) (4D/3DC-US) compared with catheter angiography (CA) and duplex ultrasonography (DUS). This study hypothesized that 4D/3DC-US is noninferior to CA and DUS in grading ICAS in selected patients. BACKGROUND: Clinical stratification in patients with ICAS largely depends on a patient's symptomatic status and the degree of stenosis...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734926/derivation-and-evaluation-of-age-specific-multivariate-reference-regions-to-aid-in-identification-of-abnormal-filling-patterns-the-hunt-and-vamis-studies
#4
Jonas Selmeryd, Egil Henriksen, Håvard Dalen, Pär Hedberg
OBJECTIVES: This study aimed to derive age-specific multivariate reference regions (MVRs) able to classify subjects into those having normal or abnormal filling patterns and to evaluate the prognostic impact of this classification. BACKGROUND: The integration of several parameters is necessary to diagnose disorders of left ventricular (LV) filling because no single measurement accurately describes the complexity of diastolic function. However, no generally accepted validated multiparametric algorithm currently exists...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734925/coronary-ct-angiography-and-bioresorbable-vascular-scaffolds-is-there-clarity
#5
EDITORIAL
Joaquin E Cigarroa
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734924/the-many-dimensions-of-diastolic-function-a-curse-or-a-blessing
#6
EDITORIAL
Partho P Sengupta, Thomas H Marwick
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734923/diagnostic-accuracy-of-coronary-ct-angiography-for%C3%A2-the-evaluation-of-bioresorbable-vascular-scaffolds
#7
Carlos Collet, Bernard Chevalier, Angel Cequier, Jean Fajadet, Marcello Dominici, Steffen Helqvist, A J Van Boven, Dariusz Dudek, Dougal McClean, Manuel Almeida, Jan J Piek, Erhan Tenekecioglu, Antonio Bartorelli, Stephan Windecker, Patrick W Serruys, Yoshinobu Onuma
OBJECTIVES: To assess the diagnostic accuracy of coronary computed tomography angiography (CTA) for bioresorbable vascular scaffold (BVS) evaluation. BACKGROUND: Coronary CTA has emerged as a noninvasive method to evaluate patients with suspected or established coronary artery disease. The diagnostic accuracy of coronary CTA to evaluate angiographic outcomes after BVS implantation has not been well established. METHODS: In the ABSORB II (A Bioresorbable Everolimus-Eluting Scaffold Versus a Metallic Everolimus-Eluting Stent II) study, patients were randomized either to receive treatment with the BVS or everolimus-eluting metallic stent...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734922/warfarin-use-is-associated-with-progressive-coronary-arterial-calcification-insights-from-serial-intravascular-ultrasound
#8
Jordan Andrews, Peter J Psaltis, Ozgur Bayturan, Mingyuan Shao, Brian Stegman, Mohamed Elshazly, Samir R Kapadia, E Murat Tuzcu, Steven E Nissen, Stephen J Nicholls, Rishi Puri
OBJECTIVES: This study compared serial changes in coronary percent atheroma volume (PAV) and calcium index (CaI) in patients with coronary artery disease who were treated with and without warfarin. BACKGROUND: Warfarin blocks the synthesis and activity of matrix Gla protein, a vitamin K-dependent inhibitor of arterial calcification. The longitudinal impact of warfarin on serial coronary artery calcification in vivo in humans is unknown. METHODS: In a post hoc patient-level analysis of 8 prospective randomized trials using serial coronary intravascular ultrasound examinations, this study compared changes in PAV and CaI in matched arterial segments in patients with coronary artery disease who were treated with (n = 171) and without (n = 4,129) warfarin during an 18- to 24-month period...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734921/imaging-ischemic-and-reperfusion-injury-in-acute-myocardial-infarction-putting-the-pieces-together-with-cmr
#9
Jan Bogaert, Davide Curione, Pedro Morais, Manuel Barreiro-Perez, Sofie Tilborghs, Frederik Maes, Tom Dresselaers
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734920/artificial-intelligence-based-assessment-of-left-ventricular-filling-pressures-from-2-dimensional-cardiac-ultrasound-images
#10
LETTER
Alaa Mabrouk Salem Omar, Khader Shameer, Sukrit Narula, Mohamed Ahmed Abdel Rahman, Osama Rifaie, Jagat Narula, Joel T Dudley, Partho P Sengupta
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734919/some-laws-were-not-made-to-be-broken-when-frank-starling-reserve-is-lost-in-heart-failure
#11
EDITORIAL
Barry A Borlaug, Yogesh N V Reddy
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734918/rv-myocardial-strain-during-pre-load-augmentation-is-associated-with-exercise-capacity-in-patients-with-chronic-hf
#12
Kenya Kusunose, Hirotsugu Yamada, Susumu Nishio, Ayumi Ishii, Yukina Hirata, Hiromitsu Seno, Yoshihito Saijo, Takayuki Ise, Koji Yamaguchi, Shusuke Yagi, Takeshi Soeki, Tetsuzo Wakatsuki, Masataka Sata
OBJECTIVES: The aim of this study was to assess the relationship between right ventricular (RV) function during pre-load augmentation and exercise tolerance. BACKGROUND: Peak oxygen uptake (VO2) is a strong predictor of mortality in chronic heart failure. Cardiac function during pre-load augmentation is an important part of the phenomenon in the evaluation of exercise capacity. METHODS: We prospectively performed echocardiographic studies in 68 chronic heart failure patients with cardiopulmonary exercise testing (mean age 60 ± 12 years; 69% male)...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734917/lvh-and-cad-new-steps-down-an-old-path
#13
EDITORIAL
Nathaniel Reichek
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734916/juxta-lesional-cavitary-formation-in-coronary-intervention-imaginary-incidental-or-iatrogenic
#14
EDITORIAL
Hiroyoshi Mori, Jagat Narula, Renu Virmani
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734915/asymptomatic-aortic-stenosis-from-flights-of-stairs-to-exercise-testing-to-exercise%C3%A2-echocardiography
#15
EDITORIAL
Michael S Lauer
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734914/the-ongoing-quest-to-predict-plaque%C3%A2-rupture
#16
EDITORIAL
Habib Samady, David S Molony
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734913/uncovered-culprit-plaque-ruptures-in-patients-with-st-segment-elevation-myocardial-infarction-assessed-by-optical-coherence-tomography-and-intravascular-ultrasound-with-imap
#17
Mikkel Hougaard, Henrik Steen Hansen, Per Thayssen, Lisbeth Antonsen, Lisette Okkels Jensen
OBJECTIVES: This study assessed the incidence and course of healing of uncovered plaque ruptures (PR) following primary percutaneous coronary intervention. BACKGROUND: The infarct-related occlusion is frequently located at the lesion site with maximum thrombus burden, whereas the culprit PR may be situated more proximally or distally. METHODS: Uncovered PR in segments adjacent to the stent were identified by optical coherence tomography and intravascular ultrasound using iMap (Boston Scientific, Marlborough, Massachusetts) within 48 h and after 12 months...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734912/coronary-artery-calcification-a-janus-faced-biomarker
#18
EDITORIAL
Chris Reutelingsperger, Leon Schurgers
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734911/plaque-rupture-in-coronary-atherosclerosis-is-associated-with-increased-plaque-structural-stress
#19
Charis Costopoulos, Yuan Huang, Adam J Brown, Patrick A Calvert, Stephen P Hoole, Nick E J West, Jonathan H Gillard, Zhongzhao Teng, Martin R Bennett
OBJECTIVES: The aim of this study was to identify the determinants of plaque structural stress (PSS) and the relationship between PSS and plaques with rupture. BACKGROUND: Plaque rupture is the most common cause of myocardial infarction, occurring particularly in higher risk lesions such as fibroatheromas. However, prospective intravascular ultrasound-virtual histology studies indicate that <10% higher risk plaques cause clinical events over 3 years, indicating that other factors also determine plaque rupture...
July 13, 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/28734910/3-dimensional-ultrasound-in-carotid-stenosis-quantitation-and-beyond
#20
EDITORIAL
Tasneem Z Naqvi
No abstract text is available yet for this article.
July 13, 2017: JACC. Cardiovascular Imaging
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