Journal ArticleJournal of Cardiovascular Magnetic Resonance · June 1, 2025
Due to some errors introduced during typesetting the affiliation details for Dr. Natalia Sanchez Santiuste were incorrect in the published Abstract. The correct details are provided above. The publisher apologizes for any inconvenience caused by this mista ...
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Journal ArticleProg Cardiovasc Dis · January 9, 2025
Ejection fraction (EF) is the principal parameter used clinically to assess cardiac function and provides prognostic information. However, significant myocardial damage can be present despite preserved EF. Recently, the measurement of left ventricle (LV) d ...
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Journal ArticleJACC Cardiovasc Imaging · January 2025
BACKGROUND: Patients aged ≥65 years account for a disproportionately large portion of cardiovascular (CV) events and pose a challenge for noninvasive detection of coronary artery disease. OBJECTIVES: This study sought to determine the prognostic value of s ...
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Journal ArticleCirc Cardiovasc Imaging · August 2024
BACKGROUND: Right ventricular (RV) dysfunction is known to impact prognosis, but its determinants in coronary artery disease are poorly understood. Stress cardiac magnetic resonance (CMR) has been used to assess ischemia and infarction in relation to the l ...
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Journal ArticleJ Am Coll Cardiol · July 30, 2024
BACKGROUND: Early invasive revascularization guided by moderate to severe ischemia did not improve outcomes over medical therapy alone, underlying the need to identify high-risk patients for a more effective invasive referral. CMR could determine the myoca ...
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Journal ArticleJACC Cardiovasc Imaging · June 2023
BACKGROUND: Cardiovascular disease (CVD) remains the leading cause of mortality in women, but current noninvasive cardiac imaging techniques have sex-specific limitations. OBJECTIVES: In this study, the authors sought to investigate the effect of sex on th ...
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Journal ArticleJACC Cardiovasc Imaging · July 2022
BACKGROUND: Left ventricular (LV) ischemia has been variably associated with functional mitral regurgitation (FMR). Determinants of FMR in patients with ischemia are poorly understood. OBJECTIVES: This study sought to test whether contractile mechanics in ...
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Journal ArticleJ Am Coll Radiol · May 2022
Dyspnea is the symptom of perceived breathing discomfort and is commonly encountered in a variety of clinical settings. Cardiac etiologies of dyspnea are an important consideration; among these, valvular heart disease (Variant 1), arrhythmia (Variant 2), a ...
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Journal ArticleAm J Cardiol · February 15, 2022
Evidence of the involvement of the cardiovascular system in patients with COVID-19 is increasing. The evaluation of the subclinical cardiac involvement is crucial for risk stratification at admission, and left ventricular global longitudinal strain (LVGLS) ...
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Journal ArticleJACC Cardiovasc Imaging · January 2022
OBJECTIVES: This study sought to determine whether stress cardiac magnetic resonance (CMR) provides clinically relevant risk reclassification in patients with known coronary artery disease (CAD) in a multicenter setting in the United States. BACKGROUND: De ...
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Journal ArticleEuropean heart journal. Cardiovascular Imaging · November 2021
AimsCase reports have described left ventricular (LV) thrombus in patients with non-ischaemic cardiomyopathy (NICM). We aimed to systematically study the characteristics, predictors, and outcomes of LV thrombus in NICM.Methods and results ...
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Journal ArticleJ Magn Reson Imaging · October 2021
BACKGROUND: Visualization of aortic valve dynamics is important in diagnosing valvular diseases but is challenging to perform with magnetic resonance imaging (MRI) due to the limited temporal resolution. PURPOSE: To develop an MRI technique with sub-millis ...
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Journal ArticleJACC Cardiovasc Imaging · August 2021
OBJECTIVES: This study sought to evaluate the prognostic value of cardiac magnetic resonance (CMR) feature-tracking-derived right ventricular (RV) free wall longitudinal strain (RVFWLS) in a large multicenter population of patients with severe functional t ...
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Journal ArticleEur Heart J Cardiovasc Imaging · April 28, 2021
AIMS: Non-invasive assessment and risk stratification of coronary artery disease in patients with large body habitus is challenging. We aim to examine whether body mass index (BMI) modifies the prognostic value and diagnostic utility of stress cardiac magn ...
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Journal ArticleJACC Cardiovasc Imaging · April 2021
OBJECTIVES: The goal of this study was to test whether ischemia-mediated contractile dysfunction underlying the mitral valve affects functional mitral regurgitation (FMR) and the prognostic impact of FMR. BACKGROUND: FMR results from left ventricular (LV) ...
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Journal ArticleJAMA Cardiol · December 1, 2020
IMPORTANCE: The role of stress cardiac magnetic resonance (CMR) imaging in clinical decision-making by reclassification of risk across American College of Cardiology/American Heart Association guideline-recommended categories has not been established. OBJE ...
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Journal ArticleJACC Cardiovasc Imaging · October 2020
OBJECTIVES: The aim of this study was to investigate the prognostic value of stress cardiac magnetic resonance imaging (CMR) in patients with reduced left ventricular (LV) systolic function. BACKGROUND: Patients with ischemic cardiomyopathy are at risk fro ...
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Journal ArticleJACC Cardiovasc Imaging · September 2020
OBJECTIVES: This study determined the long-term prognostic significance of GLS assessed using CMR-FT in a large cohort of heart transplant recipients. BACKGROUND: In heart transplant recipients, global longitudinal strain (GLS) assessed using echocardiogra ...
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Journal ArticleJ Am Coll Cardiol · August 25, 2020
BACKGROUND: Stress cardiac magnetic resonance (CMR) provides accurate assessment of both myocardial infarction (MI) and ischemia. OBJECTIVES: This study aimed to evaluate the incremental prognostic value of unrecognized myocardial infarction (UMI), detecte ...
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Journal ArticleJACC Cardiovasc Imaging · July 2020
OBJECTIVES: The aim of this study was to compare, using results from the multicenter SPINS (Stress CMR Perfusion Imaging in the United States) study, the incremental cost-effectiveness of a stress cardiovascular magnetic resonance (CMR)-first strategy agai ...
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Journal ArticleJACC Cardiovasc Imaging · June 2020
OBJECTIVES: This study aimed to determine the prevalence on cardiac magnetic resonance (CMR) of right ventricular (RV) systolic dysfunction and RV late gadolinium enhancement (LGE), their determinants, and their influences on long-term adverse outcomes in ...
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Journal ArticleJACC Cardiovasc Imaging · April 2020
OBJECTIVES: The goal of this study was to evaluate the prognostic value of global longitudinal strain (GLS) derived from cardiac magnetic resonance (CMR) feature-tracking in a large multicenter population of patients with preserved ejection fraction. BACKG ...
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Journal ArticleJACC Cardiovasc Imaging · January 2020
OBJECTIVES: The purpose of this study was to determine the prognostic value of feature-tracking global longitudinal strain (GLS) measured during vasodilator stress cardiac magnetic resonance (CMR) imaging. BACKGROUND: Prior studies have suggested that blun ...
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ConferenceCirculation. Cardiovascular imaging · November 2019
BackgroundLate gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR) imaging is more sensitive than echocardiography for the detection of intracardiac thrombus because of its unique ability to identify thrombus based on tissue chara ...
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Journal ArticleJ Am Coll Cardiol · October 8, 2019
BACKGROUND: Stress cardiac magnetic resonance imaging (CMR) has demonstrated excellent diagnostic and prognostic value in single-center studies. OBJECTIVES: This study sought to investigate the prognostic value of stress CMR and downstream costs from subse ...
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Journal ArticleCirc Cardiovasc Imaging · October 2019
BACKGROUND: Myocardial fibrosis is a well-described histopathologic feature in heart transplant recipients. Whether myocardial fibrosis in heart transplant recipients is independently associated with clinical outcomes is unclear. We sought to determine whe ...
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Journal ArticleJACC Cardiovasc Imaging · September 2019
OBJECTIVES: This study sought to evaluate the prognostic value of cardiac magnetic resonance (CMR)-derived mitral annular plane systolic excursion (MAPSE) in a large multicenter population of patients with hypertension. BACKGROUND: In patients with hyperte ...
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Journal ArticleCirc Arrhythm Electrophysiol · September 2019
BACKGROUND: Implantable cardioverter-defibrillators are used to prevent sudden cardiac death in patients with cardiac sarcoidosis. The most recent recommendations for implantable cardioverter-defibrillator implantation in these patients are in the 2017 Ame ...
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Journal ArticleJACC Cardiovasc Imaging · August 2019
OBJECTIVES: The aim of this study was to evaluate the incremental prognostic value of global coronary flow reserve (CFR) in patients with known or suspected coronary artery disease who were undergoing stress cardiac magnetic resonance (CMR) imaging. BACKGR ...
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Journal ArticleJ Am Heart Assoc · May 21, 2019
Background In patients with suspected cardiac sarcoidosis, late gadolinium enhancement on cardiovascular magnetic resonance imaging and/or 18F-fluorodeoxyglucose uptake on positron emission tomography are often used to reach a clinical diagnosis of cardiac ...
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Journal ArticleJAMA Cardiol · March 1, 2019
IMPORTANCE: Stress cardiac magnetic resonance imaging (CMR) is not widely used in current clinical practice, and its ability to predict patient mortality is unknown. OBJECTIVE: To determine whether stress CMR is associated with patient mortality. DESIGN, S ...
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Journal ArticleJ Cardiovasc Magn Reson · January 24, 2019
BACKGROUND: There is a critical need for non-invasive methods to detect coronary allograft vasculopathy and to risk stratify heart transplant recipients. Vasodilator stress testing using cardiovascular magnetic resonance imaging (CMR) is a promising techni ...
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Journal ArticleSci Rep · November 1, 2018
Errors in identifying the etiology of cardiomyopathy have been described in patients undergoing cardiac transplantation. There are increasing data that cardiovascular magnetic resonance imaging (CMR) provides unique diagnostic information in heart failure. ...
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Journal ArticleJACC Cardiovasc Imaging · October 2018
OBJECTIVES: The aim of this study was to evaluate the prognostic value of cardiac magnetic resonance (CMR) feature-tracking-derived global longitudinal strain (GLS) in a large multicenter population of patients with ischemic and nonischemic dilated cardiom ...
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Journal ArticleRadiology · February 2018
Purpose To evaluate the prognostic value of a simple index of left ventricular (LV) long-axis function-lateral mitral annular plane systolic excursion (MAPSE)-in a large multicenter population of patients with reduced ejection fraction (EF) who were underg ...
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Chapter · January 1, 2018
Despite a decline in deaths from coronary artery disease in many developed countries, growth in cardiac imaging has contributed to rising health care expenditures over the last few decades. Given these rising costs, there is increasing pressure from govern ...
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Journal ArticleJ Nucl Cardiol · June 2017
Recent introduction of hybrid positron emission tomography/magnetic resonance (PET/MR) scanners has created excitement regarding potential applications in cardiovascular medicine. This has led to a number of optimistic assessments of its potential value in ...
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Journal ArticleJ Cardiovasc Magn Reson · March 24, 2017
BACKGROUND: Multiple gated acquisition scanning (MUGA) is a common imaging modality for baseline and serial assessment of left ventricular ejection fraction (LVEF) for cardiotoxicity risk assessment prior to, surveillance during, and surveillance after adm ...
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Journal ArticleAm J Cardiol · September 15, 2016
Given the rising costs of imaging, there is increasing pressure to provide evidence for direct additive impact on clinical care. Appropriate use criteria (AUC) were developed to optimize test-patient selection and are increasingly used by payers to assess ...
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Journal ArticleJ Cardiovasc Magn Reson · June 7, 2016
BACKGROUND: Left ventricular pump function requires a complex interplay involving myocardial fibers orientated in the longitudinal, oblique and circumferential directions. Long axis dysfunction appears to be an early marker for a number of pathological sta ...
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Journal ArticleHeart · May 15, 2016
CLINICAL INTRODUCTION: A 28-year-old man with extensive travel history to developing countries was hospitalised for intermittent sharp chest pains, worst when supine and with inspiration. Two weeks prior to presentation, he had suffered a flu-like illness ...
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Journal ArticleJ Am Heart Assoc · May 5, 2016
BACKGROUND: Diabetes mellitus (DM) is associated with mitochondrial oxidative stress. We have shown that myocardial oxidative stress leads to diastolic dysfunction in a hypertensive mouse model. Therefore, we hypothesized that diabetes mellitus could cause ...
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Journal ArticleJ Nucl Cardiol · August 2015
BACKGROUND: Regadenoson is now widely used in single-photon emission computed tomography (SPECT) myocardial perfusion imaging (MPI). However, the prognostic value of abnormal stress perfusion findings with regadenoson vs adenosine are unclear. The aim of t ...
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Journal ArticleJ Cardiovasc Magn Reson · May 15, 2015
BACKGROUND: Appropriate use criteria (AUC) have been developed by professional organizations as a response to the rising costs of imaging, with the goal of optimizing test-patient selection. Consequently, the AUC are now increasingly used by third-party-pa ...
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Journal ArticleOpen Heart · 2015
OBJECTIVE: Nuclear imaging data demonstrate that revascularisation leads to favourable effects on ischaemia burden and improved outcomes compared with medical therapy (MT). In patients with heart failure (HF), the effects of MT versus revascularisation on ...
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Journal ArticleJ Heart Valve Dis · September 2014
BACKGROUND AND AIM OF THE STUDY: Mitral regurgitation (MR) is an important complication after prosthetic mitral valve (PMV) implantation. Transthoracic echocardiography is widely used to screen for native MR, but can be limited with PMV. Cine-cardiac magne ...
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Journal ArticleJ Cardiovasc Magn Reson · March 27, 2014
BACKGROUND: Despite increasing clinical use, there is limited data regarding regadenoson in stress perfusion cardiovascular magnetic resonance (CMR). In particular, given its long half-life the optimal stress protocol remains unclear. Although Myocardial P ...
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Journal ArticleHeart · January 2014
A 64-year-old man presented with several weeks of intermittent irregular palpitations. He had no prior history of cardiac disease, hypertension or syncope. A 12-lead ECG revealed sinus rhythm with premature atrial and ventricular contractions and high QRS ...
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Journal ArticleHeart · January 1, 2014
A 64-year-old man presented with several weeks of intermittent irregular palpitations. He had no prior history of cardiac disease, hypertension or syncope. A 12-lead ECG revealed sinus rhythm with premature atrial and ventricular contractions and high QRS ...
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Journal ArticleCoron Artery Dis · November 2013
Cardiac computed tomography angiography (CCTA) has rapidly emerged in recent years as a promising noninvasive imaging modality for the evaluation of coronary artery disease. This is predominantly because of its proven ability to exclude coronary stenosis i ...
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Journal ArticleJ Cardiovasc Magn Reson · October 1, 2013
BACKGROUND: Cardiovascular magnetic resonance (CMR) can provide important diagnostic and prognostic information in patients with heart failure. However, in the current health care environment, use of a new imaging modality like CMR requires evidence for di ...
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Journal ArticleJACC Cardiovasc Imaging · July 2012
OBJECTIVES: The aim of this study was to evaluate the independent prognostic significance of ischemia change in stable coronary artery disease (CAD). BACKGROUND: Recent randomized trials in stable CAD have suggested that revascularization does not improve ...
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Journal ArticleHeart and Metabolism · June 2, 2011
Only a small subset of the many patients presenting with chest pain are eventually diagnosed with acute coronary syndromes (ACS). Early identification of this high-risk group can be challenging, particularly since many will initially have non-diagnostic el ...
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Journal ArticleJACC Cardiovasc Imaging · April 2011
OBJECTIVES: The aim of this study was to determine the prognostic value of assessing left atrial function during dobutamine stress testing. BACKGROUND: Left ventricular diastolic dysfunction precedes systolic wall motion abnormalities in the ischemic casca ...
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Journal ArticleJ Am Coll Cardiol · December 29, 2009
In patients with known or suspected myocardial infarction (MI), cardiovascular magnetic resonance (CMR) provides a comprehensive, multifaceted view of the heart. The data, including that from a recent multicenter clinical trial, indicate that delayed-enhan ...
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Journal ArticleArthritis Rheum · December 2006
OBJECTIVE: Although antiphospholipid antibodies (aPL) are associated with arterial and venous thrombosis in systemic lupus erythematosus (SLE), the extent to which they influence other cardiovascular manifestations is either controversial or uncertain. We ...
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Journal ArticleInt J Clin Pract · July 2005
It is important for primary care physicians to recognise rheumatoid arthritis and systemic lupus erythematosus patients as high-risk groups for atherosclerosis, requiring aggressive risk-factor modification. Recent studies suggest that this increased risk ...
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Journal ArticleHeart · February 2005
Although the pathogenesis of ventricular outflow tract tachycardia has not been fully elucidated, recent findings suggest that defects in cAMP signalling may be involved. ...
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Journal ArticleNephron Exp Nephrol · 2005
The high rates of atherosclerotic vascular disease in patients with end-stage renal disease (ESRD) cannot be fully explained by the excess of traditional risk factors. Interest has therefore arisen in the possible role of vascular calcification, which is i ...
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Journal ArticleCardiovascular Reviews and Reports · July 1, 2003
Pulmonary regurgitation with progressive RV dysfunction is the most common hemodynamic problem encountered in patients with repaired Tetralogy of Fallot. Evaluation of pulmonary regurgitation and RV function requires a combination of Echocardiography and M ...
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Journal ArticleJ Biol Chem · August 31, 2001
Matrix gamma-carboxyglutamic acid protein (MGP) is a mineral-binding extracellular matrix protein synthesized by vascular smooth muscle cells (VSMCs) and chondrocytes that is thought to be a key regulator of tissue calcification. In this study, we identifi ...
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Journal ArticleBr Med Bull · 2001
Traditional concepts of the pathogenesis of acute coronary syndromes have changed over the last few years. In particular it has been demonstrated that high-risk lesions are not necessarily angiographically severe. Rather, unstable high risk lesions are the ...
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Journal ArticleZ Kardiol · 2001
Matrix Gla Protein (MGP) is a small protein which is thought to be an inhibitor of tissue calcification and a regulator of cell differentiation. In this study we have examined the transcriptional regulation of MGP within rat vascular smooth muscle cells (V ...
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Journal ArticleZ Kardiol · 2001
The initiation sites for calcification in cartilage and bone are cellular products called matrix vesicles. Similar structures have been found in calcified arteries and recent studies suggest that these may be derived from apoptotic cells. It is well establ ...
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Journal ArticleBiochem Biophys Res Commun · November 2, 2000
Matrix Gla protein (MGP) is a mineral binding extra-cellular matrix protein which is thought to be a key inhibitor of tissue and vascular calcification. It is known to be upregulated in areas of extracellular calcification possibly to limit further harmful ...
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Journal ArticleCrit Rev Eukaryot Gene Expr · 1998
Arterial calcification occurs with increasing age and in association with a diverse range of diseases, including atherosclerosis, diabetes, and uremia. It occurs at two sites in the vessel wall--in the media where it is known as Monckeberg's sclerosis and ...
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Journal ArticleJ Cardiovasc Magn Reson
BACKGROUND: Cardiovascular magnetic resonance (CMR) is increasingly utilized to evaluate expanding cardiovascular conditions. The Society for Cardiovascular Magnetic Resonance (SCMR) Registry is a central repository for real-world clinical data to support ...
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