Articles
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Citation: Journal of Cardiovascular Magnetic Resonance 2014 16(Suppl 1):P352
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Left atrial structure and functional quantitation using cardiac magnetic resonance: comparison of manual delineation vs. multimodality tissue tracking based semi-automated methods
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16(Suppl 1):P348 -
Histological validation of carotid plaque characterization by in-vivo T2 mapping in patients with recent cerebrovascular events: preliminary results
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16(Suppl 1):P173 -
Regadenoson blood flow in type 1 diabetes (RABIT1D Study)
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16(Suppl 1):O59 -
Semi-automated left ventricular segmentation based on a guide point model approach for 3D cine DENSE cardiovascular magnetic resonance
The most time consuming and limiting step in three dimensional (3D) cine displacement encoding with stimulated echoes (DENSE) MR image analysis is the demarcation of the left ventricle (LV) from its surroundin...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:8 -
Tracking of stem cells in vivo for cardiovascular applications
In the past ten years, the concept of injecting stem and progenitor cells to assist with rebuilding damaged blood vessels and myocardial tissue after injury in the heart and peripheral vasculature has moved fr...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:7 -
Feasibility of asymmetric stretch assessment in the ascending aortic wall with DENSE cardiovascular magnetic resonance
Vessel diameter is the principal imaging parameter assessed clinically for aortic disease, but adverse events can occur at normal diameters. Aortic stiffness has been studied as an additional imaging-based ris...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:6 -
Non-invasive imaging of carotid arterial restenosis using 3T cardiovascular magnetic resonance
Restenosis of the carotid artery is common following carotid endarterectomy, but analysis of lesion composition has mostly been based on histological study of explanted restenotic lesions. This study investiga...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:5 -
Relationship between mechanical dyssynchrony and intra-operative electrical delay times in patients undergoing cardiac resynchronization therapy
It is important to understand the relationship between electrical and mechanical ventricular activation in CRT patients. By measuring local electrical activation at multiple locations within the coronary veins...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:4 -
Cardiovascular magnetic resonance assessment of ventricular function and myocardial scarring before and early after repair of anomalous left coronary artery from the pulmonary artery
In patients with anomalous left coronary artery from the pulmonary artery (ALCAPA) left ventricular (LV) dilatation and dysfunction evolves due to diminished myocardial perfusion caused by coronary steal pheno...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:3 -
T1-mapping in the heart: accuracy and precision
The longitudinal relaxation time constant (T1) of the myocardium is altered in various disease states due to increased water content or other changes to the local molecular environment. Changes in both native ...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:2 -
Cardiovascular magnetic resonance in pregnancy: Insights from the cardiac hemodynamic imaging and remodeling in pregnancy (CHIRP) study
Cardiovascular disease in pregnancy is the leading cause of maternal mortality in North America. Although transthoracic echocardiography (TTE) is the most widely used imaging modality for the assessment of car...
Citation: Journal of Cardiovascular Magnetic Resonance 2014 16:1 -
Obesity reduces left ventricular strains, torsion, and synchrony in mouse models: a cine displacement encoding with stimulated echoes (DENSE) cardiovascular magnetic resonance study
Obesity affects a third of adults in the US and results in an increased risk of cardiovascular mortality. While the mechanisms underlying this increased risk are not well understood, animal models of obesity h...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:109 -
Prognostic value of normal regadenoson stress perfusion cardiovascular magnetic resonance
Regadenoson is a vasodilator stress agent that selectively activates the A2A receptor. Compared to adenosine, regadenoson is easier to administer and results in fewer side effects. Although extensively studied in...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:108 -
Prevalence and distribution of late gadolinium enhancement in a large population of patients with Duchenne muscular dystrophy: effect of age and left ventricular systolic function
Duchenne muscular dystrophy (DMD), an X-linked disorder affects approximately 1 in 5000 males, is universally associated with heart disease. We previously identified myocardial disease by late gadolinium enhan...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:107 -
Relationship between coronary flow reserve evaluated by phase-contrast cine cardiovascular magnetic resonance and serum eicosapentaenoic acid
Long-term intake of long-chain n-3 polyunsaturated fatty acids (n-3 PUFAs), especially eicosapentaenoic acid (EPA) is associated with a low risk for cardiovascular disease. Phase-contrast cine cardiovascular m...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:106 -
Evaluation of current algorithms for segmentation of scar tissue from late Gadolinium enhancement cardiovascular magnetic resonance of the left atrium: an open-access grand challenge
Late Gadolinium enhancement (LGE) cardiovascular magnetic resonance (CMR) imaging can be used to visualise regions of fibrosis and scarring in the left atrium (LA) myocardium. This can be important for treatme...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:105 -
ECG-based gating in ultra high field cardiovascular magnetic resonance using an independent component analysis approach
In Cardiovascular Magnetic Resonance (CMR), the synchronization of image acquisition with heart motion is performed in clinical practice by processing the electrocardiogram (ECG). The ECG-based synchronization...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:104 -
Cardiac steatosis and left ventricular function in men with metabolic syndrome
Ectopic accumulation of fat accompanies visceral obesity with detrimental effects. Lipid oversupply to cardiomyocytes leads to cardiac steatosis, and in animal studies lipotoxicity has been associated with imp...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:103 -
High spatial and temporal resolution retrospective cine cardiovascular magnetic resonance from shortened free breathing real-time acquisitions
Cine cardiovascular magnetic resonance (CMR) is challenging in patients who cannot perform repeated breath holds. Real-time, free-breathing acquisition is an alternative, but image quality is typically inferio...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:102 -
Aortic arch shape is not associated with hypertensive response to exercise in patients with repaired congenital heart diseases
Aortic arch geometry is linked to abnormal blood pressure (BP) response to maximum exercise. This study aims to quantitatively assess whether aortic arch geometry plays a role in blood pressure (BP) response t...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:101 -
Vessel-wall imaging and quantification of flow-mediated dilation using water-selective 3D SSFP-echo
To introduce a new, efficient method for vessel-wall imaging of carotid and peripheral arteries by means of a flow-sensitive 3D water-selective SSFP-echo pulse sequence.
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:100 -
Relationship of phasic left atrial volume and emptying function to left ventricular filling pressure: a cardiovascular magnetic resonance study
Left atrial volume (LAV) and emptying fraction (LAEF) are phasic during cardiac cycle. Their relationships to left ventricular end diastolic pressure (LVEDP) have not been fully defined.
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:99 -
Evolution of cardiac and renal impairment detected by high-field cardiovascular magnetic resonance in mice with renal artery stenosis
Renal artery stenosis (RAS) promotes hypertension and cardiac dysfunction. The 2-kidney, 1-clip mouse model in many ways resembles RAS in humans and is amenable for genetic manipulation, but difficult to evalu...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:98 -
Steady state vascular imaging with extracellular gadobutrol: evaluation of the additional diagnostic benefit in patients who have undergone a peripheral magnetic resonance angiography protocol
To evaluate the feasibility and additional diagnostic benefit of a high-resolution steady state 3D-volume interpolated breath-hold exam (VIBE) sequence between a continuous table movement (CTM) MR angiography ...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:97 -
Moderate intensity supine exercise causes decreased cardiac volumes and increased outer volume variations: a cardiovascular magnetic resonance study
The effects on left and right ventricular (LV, RV) volumes during physical exercise remains controversial. Furthermore, no previous study has investigated the effects of exercise on longitudinal contribution t...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:96 -
Feature tracking measurement of dyssynchrony from cardiovascular magnetic resonance cine acquisitions: comparison with echocardiographic speckle tracking
Analysis of left ventricular (LV) mechanical dyssynchrony may provide incremental prognostic information regarding cardiac resynchronization therapy (CRT) response in addition to QRS width alone. Our objective...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:95 -
Myocardial T1 mapping and extracellular volume quantification: a Society for Cardiovascular Magnetic Resonance (SCMR) and CMR Working Group of the European Society of Cardiology consensus statement
Rapid innovations in cardiovascular magnetic resonance (CMR) now permit the routine acquisition of quantitative measures of myocardial and blood T1 which are key tissue characteristics. These capabilities intr...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:92 -
At-risk but viable myocardium in a large animal model of non ST-segment elevation acute coronary syndrome: cardiovascular magnetic resonance with ex vivo validation
Patients with non-ST-segment elevation acute coronary syndrome (NSTE-ACS) have varying degrees of salvageable myocardium at risk of irreversible injury. We hypothesized that a novel model of NSTE-ACS produces ...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:94 -
Clinical Implications of Cardiac Hyperpolarized Magnetic Resonance Imaging
Alterations in cardiac metabolism are now considered a cause, rather than a result, of cardiac disease. Although magnetic resonance spectroscopy has allowed investigation of myocardial energetics, the inherent...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:93 -
Standardized cardiovascular magnetic resonance (CMR) protocols 2013 update
This document is an update to the 2008 publication of the Society for Cardiovascular Magnetic Resonance (SCMR) Board of Trustees Task Force on Standardized Protocols. Since the time of the original publication...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:91 -
Comparison of diffusion-weighted with T2-weighted imaging for detection of edema in acute myocardial infarction
Recent studies, performed with the use of a commercially available diffusion weighted imaging (DWI) sequence, showed that they are sensitive to the increase of water content in the myocardium and may be used a...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:90 -
Impact of cardiovascular magnetic resonance on management and clinical decision-making in heart failure patients
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 modalit...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:89 -
Fast retrospectively triggered local pulse-wave velocity measurements in mice with CMR-microscopy using a radial trajectory
The aortic pulse-wave velocity (PWV) is an important indicator of cardiovascular risk. In recent studies MRI methods have been developed to measure this parameter noninvasively in mice. Present techniques requ...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:88 -
Evaluation of left ventricular diastolic function by fractional area change using cine cardiovascular magnetic resonance: a feasibility study
Evaluation of left ventricular (LV) diastolic function is essential for the management of heart failure. We verified whether LV diastolic function could be evaluated by measuring the fractional area change (FA...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:87 -
Pulmonary blood volume indexed to lung volume is reduced in newly diagnosed systemic sclerosis compared to normals – a prospective clinical cardiovascular magnetic resonance study addressing pulmonary vascular changes
Pulmonary involvement, manifested as pulmonary arterial hypertension or pulmonary fibrosis, is the most common cause of death in systemic sclerosis (SSc). We aimed to explore the feasibility of detecting early...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:86 -
Regadenoson and adenosine are equivalent vasodilators and are superior than dipyridamole- a study of first pass quantitative perfusion cardiovascular magnetic resonance
Regadenoson, dipyridamole and adenosine are commonly used vasodilators in myocardial perfusion imaging for the detection of obstructive coronary artery disease. There are few comparative studies of the vasodil...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:85 -
Discrepancies between cardiovascular magnetic resonance and Doppler echocardiography in the measurement of transvalvular gradient in aortic stenosis: the effect of flow vorticity
Valve effective orifice area EOA and transvalvular mean pressure gradient (MPG) are the most frequently used parameters to assess aortic stenosis (AS) severity. However, MPG measured by cardiovascular magnetic...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:84 -
Right and left ventricular function and myocardial scarring in adult patients with sickle cell disease: a comprehensive magnetic resonance assessment of hepatic and myocardial iron overload
Patients with Sickle cell disease (SCD) who receive regular transfusions are at risk for developing cardiac toxicity from iron overload. The aim of this study was to assess right and left cardiac volumes and f...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:83 -
Novel insight into the detailed myocardial motion and deformation of the rodent heart using high-resolution phase contrast cardiovascular magnetic resonance
Phase contrast velocimetry cardiovascular magnetic resonance (PC-CMR) is a powerful and versatile tool allowing assessment of in vivo motion of the myocardium. However, PC-CMR is sensitive to motion related artif...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:82 -
Wall shear stress measured by phase contrast cardiovascular magnetic resonance in children and adolescents with pulmonary arterial hypertension
Pulmonary arterial hypertension (PAH) is a devastating disease with significant morbidity and mortality. At the macroscopic level, disease progression is observed as a complex interplay between mean pulmonary ...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:81 -
Atlas-based analysis of cardiac shape and function: correction of regional shape bias due to imaging protocol for population studies
Cardiovascular imaging studies generate a wealth of data which is typically used only for individual study endpoints. By pooling data from multiple sources, quantitative comparisons can be made of regional wal...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:80 -
Real-time cardiovascular magnetic resonance at 1.5 T using balanced SSFP and 40 ms resolution
While cardiovascular magnetic resonance (CMR) commonly employs ECG-synchronized cine acquisitions with balanced steady-state free precession (SSFP) contrast at 1.5 T, recent developments at 3 T demonstrate sig...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:79 -
Standardization of T1 measurements with MOLLI in differentiation between health and disease – the ConSept study
T1 imaging based on pixel-wise quantification of longitudinal relaxation has the potential to differentiate between normal and abnormal myocardium. The accuracy of T1 measurement has not been established nor s...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:78 -
Intra-thoracic fat volume is associated with myocardial infarction in patients with metabolic syndrome
Visceral adiposity is increased in those with Metabolic Syndrome (MetS) and atherosclerotic disease burden. In this study we evaluate for associations between intra-thoracic fat volume (ITFV) and myocardial in...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:77 -
Review of Journal of Cardiovascular Magnetic Resonance 2012
There were 90 articles published in the Journal of Cardiovascular Magnetic Resonance (JCMR) in 2012, which is an 8% increase in the number of articles since 2011. The quality of the submissions continues to in...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:76 -
PINOT NOIR: Pulmonic INsufficiency imprOvemenT with Nitric Oxide Inhalational Response
Tetralogy of Fallot (TOF) repair and pulmonary valvotomy for pulmonary stenosis (PS) lead to progressive pulmonary insufficiency (PI), right ventricular enlargement and dysfunction. This study assessed whether...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:75 -
A novel technique to quantify the instantaneous mitral regurgitant rate
The systolic variation of mitral regurgitation (MR) is a pitfall in its quantification. Current recommendations advocate using quantitative echocardiographic techniques that account for this systolic variation...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:74 -
Cardiovascular magnetic resonance of total and atrial pericardial adipose tissue: a validation study and development of a 3 dimensional pericardial adipose tissue model
Recently pericardial adipose tissue (PAT) has been shown to be an independent predictor of atrial fibrillation (AF). Atrial PAT may influence underlying atrial musculature creating a substrate for AF. This stu...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:73 -
Early detection of subclinical ventricular deterioration in aortic stenosis with cardiovascular magnetic resonance and echocardiography
Severe aortic stenosis (AS) patients with late gadolinium enhancement (LGE) on cardiovascular magnetic resonance (CMR) or left ventricular (LV) systolic dysfunction are known to have worse outcome. We aimed to...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:72