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Cardiac CT, CMR

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https://www.readbyqxmd.com/read/29629254/multimodality-imaging-and-clinical-significance-of-congenital-ventricular-outpouchings-recesses-diverticula-aneurysms-clefts-and-crypts
#1
REVIEW
Alberto Cresti, Pierpaolo Cannarile, Elena Aldi, Marco Solari, Bruno Sposato, Luca Franci, Ugo Limbruno
The high spatial resolution of cardiac computed tomography (CT) and cardiac magnetic resonance (CMR) permit the diagnosis of congenital ventricular outpouchings (CVOs), including congenital ventricular diverticula (CVD), congenital ventricular aneurysms (CVA), clefts, and crypts. A unique classification has not been established, and these terms are used interchangeably with confounding terminology. Moreover, their significance is not univocal. A research was performed using PubMed on six subjects: (1) congenital left ventricular outpouchings; (2) congenital ventricular diverticulum; (3) congenital ventricular aneurysm; (4) ventricular clefts; (5) ventricular crypts; and (6) ventricular crevices...
January 2018: Journal of Cardiovascular Echography
https://www.readbyqxmd.com/read/29623849/cardiac-imaging-in-systemic-diseases-what-the-clinician-should-know
#2
Cesar J Herrera, Pamela Pina Santana, Jorge Martinez, Mario J Garcia
IMPORTANCE: Systemic diseases that affect the cardiovascular system constitute a diagnostic and therapeutic challenge for all specialists involved; imaging tools along with clinical suspicion play an essential role in their evaluation. These entities share neurological, immunological, renal, hematologic, oncologic, infectious and endocrine processes, all of which may have associated cardiac involvement. OBSERVATIONS: Recent advances in cardiac ultrasound, computed tomography (CT), cardiac magnetic resonance (CMR) and nuclear scintigraphy have impacted the management of these conditions when involving the heart since they provide valuable anatomical and functional information while avoiding the use of invasive techniques...
April 5, 2018: Current Cardiology Reviews
https://www.readbyqxmd.com/read/29582878/value-of-transluminal-attenuation-gradient-of-stress-ccta-for-diagnosis-of-haemodynamically-significant-coronary-artery-stenosis-using-wide-area-detector-ct-in-patients-with-coronary-artery-disease-comparison-with-stress-perfusion-cmr
#3
Hee Yeong Kim, Hwan Seok Yong, Eung Ju Kim, Eun-Young Kang, Bo Kyoung Seo
INTRODUCTION: This study aimed to evaluate the value of transluminal attenuation gradient (TAG) of stress coronary computed tomography angiography (CCTA), using a wide-area detector CT in patients with coronary artery disease, compared to stress perfusion cardiac magnetic resonance (CMR) imaging. METHODS: This prospective study from May 2012 to January 2015 included 21 patients with moderate coronary stenosis on invasive coronary angiography. All patients underwent adenosine stress single-shot CCTA with a rest CCTA scan using a wide-area detector CT...
January 2018: Cardiovascular Journal of Africa
https://www.readbyqxmd.com/read/29511861/myocardial-extracellular-volume-quantification-by-cardiovascular-magnetic-resonance-and-computed-tomography
#4
REVIEW
Paul R Scully, Gorka Bastarrika, James C Moon, Thomas A Treibel
PURPOSE OF REVIEW: This review article discusses the evolution of extracellular volume (ECV) quantification using both cardiovascular magnetic resonance (CMR) and computed tomography (CT). RECENT FINDINGS: Visualizing diffuse myocardial fibrosis is challenging and until recently, was restricted to the domain of the pathologist. CMR and CT both use extravascular, extracellular contrast agents, permitting ECV measurement. The evidence base around ECV quantification by CMR is growing rapidly and just starting in CT...
March 6, 2018: Current Cardiology Reports
https://www.readbyqxmd.com/read/29498024/advanced-non-invasive-imaging-techniques-in-chronic-heart-failure-and-cardiomyopathies-focus-on-cardiac-magnetic-resonance-imaging-and-computed-tomographic
#5
Gianluca Di Bella, Fausto Pizzino, Rocco Donato, Dalia Di Nunzio, Cesare de Gregorio
Cardiomyopathies (Cs) are a heterogeneous group of myocardial diseases with structural and/or functional abnormalities.The aetiology is due to genetic-family substrate in most cases, however, the correct and detailed analysis of morphofunctional abnormalities (severity and distribution of hypertrophy, ventricular dilatation, ventricular dysfunction) and tissue characteristics (myocardial fibrosis, myocardial infiltration) are a crucial element for a definite diagnosis.Among the different diagnostic imaging modalities applied in clinical practice (echocardiography, nuclear medicine), cardiac magnetic resonance (CMR) has emerged as a non-invasive diagnostic tool having high ability to quantify systolic function and tissue abnormalities that represent the substrates of many Cs...
March 2, 2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29427821/image-based-criteria-to-identify-the-presence-of-epicardial-arrhythmogenic-substrate-in-patients-with-transmural-myocardial-infarction
#6
David Soto-Iglesias, Juan Acosta, Diego Penela, Juan Fernández-Armenta, Mario Cabrera, Mikel Martínez, Francesca Vassanelli, Alejandro Alcaine, Markus Linhart, Beatriz Jáuregui, Elena Efimova, Rosario J Perea, Susana Prat-González, José T Ortiz-Pérez, Xavier Bosch, Luis Mont, Oscar Camara, Antonio Berruezo
BACKGROUND: Patients with transmural myocardial infarction (MI) who undergo endocardial-only substrate ablation are at an increased risk of ventricular tachycardia (VT) recurrence. Late gadolinium-enhanced cardiac magnetic resonance (LGE-CMR) could be used to assess infarct transmurality (IT). However, the degree of IT associated to epicardial arrhythmogenic substrate (AS) has not been determined. OBJECTIVE: To determine the degree of IT observed in LGE-CMR and multi-detector computed tomography (MDCT) that predicts the presence of epicardial AS...
February 7, 2018: Heart Rhythm: the Official Journal of the Heart Rhythm Society
https://www.readbyqxmd.com/read/29406941/cardiac-imaging-modalities-and-appropriate-use
#7
REVIEW
Paul Gabriel Peterson, Michael Berge, John P Lichtenberger, Maureen N Hood, Vincent B Ho
Cardiovascular imaging with calcium scoring computed tomography (CT), coronary CT angiography (CCTA), and cardiac MRI (CMR) have advanced rapidly over recent years. These imaging modalities have increased in availability, accessibility, and clinical practicality due to technological advances allowing for significant radiation dose reduction for high-quality CCTA and for rapid and reliable imaging techniques in CMR. Hardware and software developments are continually increasing efficiency and accuracy of postprocessing...
March 2018: Primary Care
https://www.readbyqxmd.com/read/29389808/cross-modality-accuracy-of-dual-step-prospectively-electrocardiography-triggered-dual-source-computed-tomorgaphy-compared-with-same-day-echocardiography-and-cardiac-magnetic-resonance-imaging-in-the-follow-up-of-heart-transplant-patients
#8
Riccardo Marano, Biagio Merlino, Luigi Natale, Giancarlo Savino, Vincenzo Vingiani, Giuseppe Rovere, Anna Rita Larici, Roberto Iezzi, Nicola Magarelli, Antonella Lombardo, Massimo Pasquale, Riccardo Manfredi
PURPOSE: An accurate evaluation of left ventricular volumes, mass, and ejection fraction (EF) and an early exclusion or detection of significant coronary artery disease or cardiac allograft vasculopathy are mandatory for clinical management and prognosis assessment of heart-transplanted patients (HTP). The purpose of this article was to evaluate the role of dual-step prospective electrocardiography-triggered Dual-Source CT (pECGdual-step-DSCT) in HTP for the assessment of left-ventricular function, in comparison with echocardiography (echo) and cardiac magnetic resonance (CMR) performed on the same day, and of the coronary arteries as well...
January 31, 2018: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/29320864/diagnostic-performance-of-static-single-scan-stress-perfusion-cardiac-computed-tomography-in-detecting-hemodynamically-significant-coronary-artery-stenosis-a-comparison-with-combined-invasive-coronary-angiography-and-cardiovascular-magnetic-resonance-myocardial
#9
Inyoung Song, Jeong Geun Yi, Jeong Hee Park, Mi Young Kim, Je Kyoun Shin, Sung Min Ko
Background Non-invasive anatomical and physiological evaluations of coronary artery disease (CAD) may be obtained with static single-scan stress perfusion cardiac computed tomography (SSPCT). Purpose To determine the diagnostic performance of static SSPCT for identifying hemodynamically significant CAD. Material and Methods This prospective study included 29 patients with suspected or known CAD who underwent static SSPCT, cardiovascular magnetic resonance myocardial perfusion imaging (CMR-MPI), and invasive coronary angiography (ICA)...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29231290/cardiovascular-magnetic-resonance-imaging-and-clinical-performance-of-somatostatin-receptor-positron-emission-tomography-in-cardiac-sarcoidosis
#10
Carmen Pizarro, Folke Kluenker, Darius Dabir, Daniel Thomas, Florian C Gaertner, Markus Essler, Christian Grohé, Georg Nickenig, Dirk Skowasch
AIMS: Cardiac affection constitutes a major limiting condition in systemic sarcoidosis. The primary objective of this study was to investigate the persistence rate of cardiac sarcoid involvement by cardiovascular magnetic resonance (CMR) imaging in patients diagnosed with cardiac sarcoidosis (CS). Moreover, we examined the additional insights into myocardial damage's characteristics gained by somatostatin receptor scintigraphy. METHODS AND RESULTS: In a pilot study, we had previously identified cardiac involvement-diagnosed by CMR imaging-to be present in 29 of 188 patients (15...
December 12, 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29122140/cardiac-tissue-characterization-and-imaging-in-autoimmune-rheumatic-diseases
#11
REVIEW
Sophie I Mavrogeni, Petros P Sfikakis, Loukia Koutsogeorgopoulou, George Markousis-Mavrogenis, Theodoros Dimitroulas, Genovefa Kolovou, George D Kitas
Inflammation, microvascular and macrovascular ischemia, valvular disease, and fibrosis are the main causes of cardiovascular disease (CVD) in autoimmune rheumatic diseases (ARDs). The silent presentation and the high mortality and/or morbidity of CVD in ARDs necessitate a reliable tool for early diagnosis. Noninvasive cardiovascular imaging, including echocardiography, nuclear imaging, cardiovascular computed tomography (CT), cardiac magnetic resonance (CMR), and hybrid imaging modalities, constitutes the main tool for monitoring of CVD in ARDs...
November 2017: JACC. Cardiovascular Imaging
https://www.readbyqxmd.com/read/29080955/fusion-of-ct-coronary-angiography-and-whole-heart-dynamic-3d-cardiac-mr-perfusion-building-a-framework-for-comprehensive-cardiac-imaging
#12
Jochen von Spiczak, Robert Manka, Alexander Gotschy, Sabrina Oebel, Sebastian Kozerke, Sandra Hamada, Hatem Alkadhi
The purpose of this work was to develop a framework for 3D fusion of CT coronary angiography (CTCA) and whole-heart dynamic 3D cardiac magnetic resonance perfusion (3D-CMR-Perf) image data-correlating coronary artery stenoses to stress-induced myocardial perfusion deficits for the assessment of coronary artery disease (CAD). Twenty-three patients who underwent CTCA and 3D-CMR-Perf for various indications were included retrospectively. For CTCA, image quality and coronary diameter stenoses > 50% were documented...
October 28, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29027633/multi-modality-imaging-in-the-evaluation-and-treatment-of-mitral-regurgitation
#13
REVIEW
Marc-André Bouchard, Claudia Côté-Laroche, Jonathan Beaudoin
Mitral regurgitation (MR) is frequent and associated with increased mortality and morbidity when severe. It may be caused by intrinsic valvular disease (primary MR) or ventricular deformation (secondary MR). Imaging has a critical role to document the severity, mechanism, and impact of MR on heart function as selected patients with MR may benefit from surgery whereas other will not. In patients planned for a surgical intervention, imaging is also important to select candidates for mitral valve (MV) repair over replacement and to predict surgical success...
October 13, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/29027095/multimodality-imaging-of-pericardial-diseases
#14
REVIEW
Mouaz H Al-Mallah, Fatimah Almasoudi, Mohamed Ebid, Amjad M Ahmed, Abdelrahman Jamiel
Pericardial diseases have changed their epidemiology in the past few years. With the aging population and decreasing incidence of communicable diseases, the causes of pericardial diseases have significantly changed from infectious and malignant to postradiation and cardiac surgery causes. Despite that, pericardial diseases remain difficult to diagnose. The accurate and timely diagnosis of these diseases is essential to avoid the late sequela of pericardial constriction and pericardial cirrhosis. Echocardiography remains the first test of choice for the assessment of patients with suspected pericardial diseases...
October 12, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28948501/multimodality-imaging-of-the-right-ventricle
#15
REVIEW
Christiane M Abouzeid, Tara Shah, Ansh Johri, Jonathan W Weinsaft, Jiwon Kim
Right ventricular (RV) structure and function is clinically important in a wide range of conditions. While conventional echocardiography (echo) methods are widely used, its limitations in RV assessment due its complex geometry are well recognized. New applications of traditional echo methods as well as emerging echo techniques including 3-dimensional (3D) echo and speckle tracking strain have the potential to overcome limitations of conventional echo, though widespread clinical use remains to be seen. Volumetric methods using cardiac magnetic resonance (CMR) and computed tomography (CT) provide accurate assessment of RV function without geometric assumptions...
September 25, 2017: Current Treatment Options in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28923551/cardiac-melanoma-retrospective-review-of-a-rare-disease-at-the-mayo-clinic-1988-2015
#16
Chung Sang Tse, Nicholas Tan, Dame Idossa, Roger Click
BACKGROUND: Melanoma metastasizing to the heart (cardiac melanoma) is a rare entity that has been described only in autopsy studies or isolated pre-mortem case reports. We aim to better characterize cardiac melanoma, and describe its presenting features, imaging findings, and disease course with a case series collected over nearly 30years. METHODS: We performed a retrospective review of all patients diagnosed with cardiac melanoma at the Mayo Clinic from 1988 to 2015...
December 15, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28844869/what-is-the-optimal-anatomic-location-for-coronary-artery-pressure-measurement-at-ct-derived-ffr
#17
Mateusz Solecki, Mariusz Kruk, Marcin Demkow, U Joseph Schoepf, Michael A Reynolds, Łukasz Wardziak, Zofia Dzielińska, Mateusz Śpiewak, Barbara Miłosz-Wieczorek, Łukasz Małek, Magdalena Marczak, Cezary Kępka
BACKGROUND: CT-FFR is an area of growing interest in the field of cardiac imaging. However, the specific anatomic location distal to a lesion of interest where CT-FFR should be computed to yield the most valid results has not been examined. This study investigated the most appropriate anatomic location distal to a coronary artery stenosis for obtaining CT-FFR measurements. METHODS: 73 patients (60 ± 9 years; 58% male) with at least one coronary lesion with 40-90% stenosis on coronary CTA (either a 2 × 128 slice or a 2 × 192 slice dual-source CT scanner) underwent stress cardiac magnetic resonance (CMR) perfusion imaging for inducible ischemia...
September 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/28833626/cardiac-imaging-to-detect-coronary-artery-disease-in-athletes-aged-35-years-and-older-a-scoping-review
#18
Thijs L Braber, Johannes B Reitsma, Arend Mosterd, Martin J Willemink, Niek H J Prakken, Martin Halle, Sanjay Sharma, Birgitta K Velthuis
Sudden cardiac death (SCD) is a devastating event in athletes. Screening efforts that were first directed at athletes younger than 35 years, are now focusing on the rapidly growing group of older sportspersons. Athletes aged ≥35 years have a 10-fold increased risk of exercise-related cardiac arrest, mostly due to coronary artery disease (CAD). Although cardiac imaging is pivotal in identifying CAD, the role of imaging modalities in screening asymptomatic older sportspersons remains unclear. We performed a scoping review to identify the role of cardiac imaging to detect CAD in older sportspersons and to identify gaps in the existing literature...
August 23, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28681340/fdg-pet-ct-findings-of-extra-thoracic-sarcoid-are-associated-with-cardiac-sarcoid-a-rationale-for-using-fgd-pet-ct-for-cardiac-sarcoid-evaluation
#19
Darshan C Patel, Senthil S Gunasekaran, Christopher Goettl, Nadera J Sweiss, Yang Lu
PURPOSE: This retrospective study investigates the relationship between cardiac and extra-thoracic sarcoid findings on FDG PET-CT using a 72-hour pretest high-fat, high-protein, and very low-carbohydrate (HFHPVLC) diet. PATIENTS AND METHODS: A total of 196 consecutive FDG PET-CT scans with 72-hour HFHPVLC diet preparation were performed between December 2014 and December 2015 in known sarcoid patients. Of these scans, 5 were excluded for non-adherence to diet preparation or underlying cancer...
July 5, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28589406/erratum-to-preprocedural-risk-assessment-prior-to-ppvi-with-cmr-and-cardiac-ct
#20
Ladonna Malone, Brian Fonseca, Thomas Fagan, Jane Gralla, Neil Wilson, Daniel Vargas, Micheal DiMaria, Uyen Truong, Lorna P Browne
No abstract text is available yet for this article.
August 2017: Pediatric Cardiology
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