Articles
Page 72 of 125
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Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):P259
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Failure to successfully open a chronic total coronary occlusion is associated with preserved global, but impaired regional myocardial function
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):P224 -
Fragmented QRS on 12-lead EKG is an independent predictor for myocardial scar: a cardiovascular magnetic resonance imaging study
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):P192 -
Optimal patient classification via statistical decomposition of a 3D left-ventricular atlas
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):P89 -
Left ventricular inflow propagation velocity for diastolic function testing: head-to-head comparison between velocity-encoded MRI and color M-mode Doppler echocardiography
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):P54 -
Diffusion tensor imaging of formalin fixed infarcted porcine hearts: a comparison between 3T and 1.5T
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):W34 -
Normal myocardial perfusion values on high-resolution pixel-wise perfusion maps
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):P21 -
Single breathhold 3D balanced SSFP coronary MRA at 3.0T: a reproducibility study
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15(Suppl 1):E11 -
Longitudinal strain from velocity encoded cardiovascular magnetic resonance: a validation study
Regional myocardial function is typically evaluated by visual assessment by experienced users, or by methods requiring substantial post processing time. Visual assessment is subjective and not quantitative. Th...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:15 -
Reproducibility of rest and exercise stress contrast-enhanced calf perfusion magnetic resonance imaging in peripheral arterial disease
The purpose was to determine the reproducibility and utility of rest, exercise, and perfusion reserve (PR) measures by contrast-enhanced (CE) calf perfusion magnetic resonance imaging (MRI) of the calf in norm...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:14 -
Normal variation of magnetic resonance T1 relaxation times in the human population at 1.5 T using ShMOLLI
Quantitative T1-mapping is rapidly becoming a clinical tool in cardiovascular magnetic resonance (CMR) to objectively distinguish normal from diseased myocardium. The usefulness of any quantitative technique t...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:13 -
Scar extent evaluated by late gadolinium enhancement CMR: a powerful predictor of long term appropriate ICD therapy in patients with coronary artery disease
Coronary artery disease (CAD) patients are at risk for life-threatening ventricular arrhythmias (VA) related to scar tissue. Late gadolinium enhancement cardiovascular magnetic resonance (LGE-CMR) can accurate...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:12 -
Correction with blood T1 is essential when measuring post-contrast myocardial T1 value in patients with acute myocardial infarction
Post-contrast T1 mapping by modified Look-Locker inversion recovery (MOLLI) sequence has been introduced as a promising means to assess an expansion of the extra-cellular space. However, T1 value in the myocar...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:11 -
Transthoracic delivery of large devices into the left ventricle through the right ventricle and interventricular septum: preclinical feasibility
We aim to deliver large appliances into the left ventricle through the right ventricle and across the interventricular septum. This transthoracic access route exploits immediate recoil of the septum, and lower...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:10 -
European cardiovascular magnetic resonance (EuroCMR) registry – multi national results from 57 centers in 15 countries
The EuroCMR registry sought to evaluate indications, image quality, safety and impact on patient management of clinical routine CMR in a multi-national European setting. Furthermore, interim analysis of the sp...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:9 -
Global and regional left ventricular myocardial deformation measures by magnetic resonance feature tracking in healthy volunteers: comparison with tagging and relevance of gender
Feature Tracking software offers measurements of myocardial strain, velocities and displacement from cine cardiovascular magnetic resonance (CMR) images. We used it to record deformation parameters in healthy ...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:8 -
Functionalization of gadolinium metallofullerenes for detecting atherosclerotic plaque lesions by cardiovascular magnetic resonance
The hallmark of atherosclerosis is the accumulation of plaque in vessel walls. This process is initiated when monocytic cells differentiate into macrophage foam cells under conditions with high levels of ather...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:7 -
Effectiveness of late gadolinium enhancement to improve outcomes prediction in patients referred for cardiovascular magnetic resonance after echocardiography
Echocardiography (echo) is a first line test to assess cardiac structure and function. It is not known if cardiovascular magnetic resonance (CMR) with late gadolinium enhancement (LGE) ordered during routine clin...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:6 -
Incremental value of cardiovascular magnetic resonance over echocardiography in the detection of acute and chronic myocardial infarction
Although echocardiography is used as a first line imaging modality, its accuracy to detect acute and chronic myocardial infarction (MI) in relation to infarct characteristics as assessed with late gadolinium e...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:5 -
Heterogeneous abnormalities of in-vivo left ventricular calcium influx and function in mouse models of muscular dystrophy cardiomyopathy
Manganese-enhanced cardiovascular magnetic resonance (MECMR) can non-invasively assess myocardial calcium influx, and calcium levels are known to be elevated in muscular dystrophy cardiomyopathy based on cellu...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:4 -
Demonstration of value of optimizing ECG triggering for cardiovascular magnetic resonance in patients with congenital heart disease
Optimal ECG triggering is of paramount importance for correct blood flow quantification during cardiovascular magnetic resonance (CMR). However, optimal ECG triggering and therefore blood flow quantification i...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:3 -
Rapid prototyping compliant arterial phantoms for in-vitro studies and device testing
Compliant vascular phantoms are desirable for in-vitro patient-specific experiments and device testing. TangoPlus FullCure 930® is a commercially available rubber-like material that can be used for PolyJet rapid ...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:2 -
Cardiac and hepatic iron and ejection fraction in thalassemia major: Multicentre prospective comparison of combined Deferiprone and Deferoxamine therapy against Deferiprone or Deferoxamine Monotherapy
Due to the limited data available in literature, the aim of this multi-centre study was to prospectively compare in thalassemia major (TM) patients the efficacy of combined deferiprone (DFP) and deferoxamine (...
Citation: Journal of Cardiovascular Magnetic Resonance 2013 15:1 -
Diffuse myocardial fibrosis evaluation using cardiac magnetic resonance T1 mapping: sample size considerations for clinical trials
Cardiac magnetic resonance (CMR) T1 mapping has been used to characterize myocardial diffuse fibrosis. The aim of this study is to determine the reproducibility and sample size of CMR fibrosis measurements tha...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:90 -
Considerations when measuring myocardial perfusion reserve by cardiovascular magnetic resonance using regadenoson
Adenosine cardiovascular magnetic resonance (CMR) can accurately quantify myocardial perfusion reserve. While regadenoson is increasingly employed due to ease of use, imaging protocols have not been standardiz...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:89 -
Comparison of T1 mapping techniques for ECV quantification. Histological validation and reproducibility of ShMOLLI versus multibreath-hold T1 quantification equilibrium contrast CMR
Myocardial extracellular volume (ECV) is elevated in fibrosis or infiltration and can be quantified by measuring the haematocrit with pre and post contrast T1 at sufficient contrast equilibrium. Equilibrium CM...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:88 -
A quantitative comparison of regional myocardial motion in mice, rabbits and humans using in-vivo phase contrast CMR
Genetically manipulated animals like mice or rabbits play an important role in the exploration of human cardiovascular diseases. It is therefore important to identify animal models that closely mimic physiolog...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:87 -
Reproducibility of in-vivo diffusion tensor cardiovascular magnetic resonance in hypertrophic cardiomyopathy
Myocardial disarray is an important histological feature of hypertrophic cardiomyopathy (HCM) which has been studied post-mortem, but its in-vivo prevalence and extent is unknown. Cardiac Diffusion Tensor Imag...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:86 -
Three-dimensional regional strain analysis in porcine myocardial infarction: a 3T magnetic resonance tagging study
Previous studies of mechanical strain anomalies in myocardial infarction (MI) have been largely limited to analysis of one-dimensional (1D) and two-dimensional (2D) strain parameters. Advances in cardiovascula...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:85 -
Evaluation of 3D blood flow patterns and wall shear stress in the normal and dilated thoracic aorta using flow-sensitive 4D CMR
The purpose of this study was to investigate 3D flow patterns and vessel wall parameters in patients with dilated ascending aorta, age-matched subjects, and healthy volunteers.
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:84 -
MultiContrast Delayed Enhancement (MCODE) improves detection of subendocardial myocardial infarction by late gadolinium enhancement cardiovascular magnetic resonance: a clinical validation study
Myocardial infarction (MI) documented by late gadolinium enhancement (LGE) has clinical and prognostic importance, but its detection is sometimes compromised by poor contrast between blood and MI. MultiContras...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:83 -
CMR in inflammatory vasculitis
Vasculitis, the inflammation of blood vessels, can produce devastating complications such as blindness, renal failure, aortic rupture and heart failure through a variety of end-organ effects. Noninvasive imagi...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:82 -
Quantitative evaluation of high intensity signal on MIP images of carotid atherosclerotic plaques from routine TOF-MRA reveals elevated volumes of intraplaque hemorrhage and lipid rich necrotic core
Carotid intraplaque hemorrhage (IPH) and lipid rich necrotic core (LRNC) have been associated with accelerated plaque growth, luminal narrowing, future surface disruption and development of symptomatic events....
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:81 -
Characteristics of carotid atherosclerotic plaques of chronic lipid apheresis patients as assessed by In Vivo High-Resolution CMR - a comparative analysis
Components of carotid atherosclerotic plaques can reliably be identified and quantified using high resolution in vivo 3-Tesla CMR. It is suspected that lipid apheresis therapy in addition to lowering serum lipid ...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:80 -
Feasibility of quantification of the distribution of blood flow in the normal human fetal circulation using CMR: a cross-sectional study
We present the first phase contrast (PC) cardiovascular magnetic resonance (CMR) measurements of the distribution of blood flow in twelve late gestation human fetuses. These were obtained using a retrospective...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:79 -
Review of Journal of Cardiovascular Magnetic Resonance 2011
There were 83 articles published in the Journal of Cardiovascular Magnetic Resonance (JCMR) in 2011, which is an 11% increase in the number of articles since 2010. The quality of the submissions continues to incr...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:78 -
Normal values of aortic dimensions, distensibility, and pulse wave velocity in children and young adults: a cross-sectional study
Aortic enlargement and impaired bioelasticity are of interest in several cardiac and non-cardiac diseases as they can lead to cardiovascular complications. Cardiovascular magnetic resonance (CMR) is increasing...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:77 -
Diffuse myocardial fibrosis in hypertrophic cardiomyopathy can be identified by cardiovascular magnetic resonance, and is associated with left ventricular diastolic dysfunction
The presence of myocardial fibrosis is associated with worse clinical outcomes in hypertrophic cardiomyopathy (HCM). Cardiovascular magnetic resonance (CMR) with late gadolinium enhancement (LGE) sequences can...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:76 -
High-resolution motion compensated MRA in patients with congenital heart disease using extracellular contrast agent at 3 Tesla
Using first-pass MRA (FP-MRA) spatial resolution is limited by breath-hold duration. In addition, image quality may be hampered by respiratory and cardiac motion artefacts. In order to overcome these limitatio...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:75 -
Volumetric motion quantification by 3D tissue phase mapped CMR
The objective of this study was the quantification of myocardial motion from 3D tissue phase mapped (TPM) CMR. Recent work on myocardial motion quantification by TPM has been focussed on multi-slice 2D acquisi...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:74 -
Quantitative myocardial perfusion in mice based on the signal intensity of flow sensitized CMR
In the conventional approach to arterial spin labeling in the rodent heart, the relative difference in the apparent T 1 relaxation times corresponding to selective and non-s...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:73 -
A multi-center inter-manufacturer study of the temporal stability of phase-contrast velocity mapping background offset errors
Phase-contrast velocity images often contain a background or baseline offset error, which adds an unknown offset to the measured velocities. For accurate flow measurements, this offset must be shown negligible...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:72 -
The protein binding substance Ibuprofen does not affect the T1 time or partition coefficient in contrast-enhanced cardiovascular magnetic resonance
Contrast enhanced cardiovascular magnetic resonance (CMR) with T1 mapping enables quantification of diffuse myocardial fibrosis. Various factors, however, can interfere with T1 measurements. The purpose of the...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:71 -
Fiber architecture in remodeled myocardium revealed with a quantitative diffusion CMR tractography framework and histological validation
The study of myofiber reorganization in the remote zone after myocardial infarction has been performed in 2D. Microstructural reorganization in remodeled hearts, however, can only be fully appreciated by consi...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:70 -
Potential clinical impact of cardiovascular magnetic resonance assessment of ejection fraction on eligibility for cardioverter defibrillator implantation
For the primary prevention of sudden cardiac death, guidelines provide left ventricular ejection fraction (EF) criteria for implantable cardioverter defibrillator (ICD) placement without specifying the techniq...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:69 -
CMR of microvascular obstruction and hemorrhage in myocardial infarction
Microvascular obstruction (MO) or no-reflow phenomenon is an established complication of coronary reperfusion therapy for acute myocardial infarction. It is increasingly recognized as a poor prognostic indicat...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:68 -
Monocenter feasibility study of the MRI compatibility of the Evia pacemaker in combination with Safio S pacemaker lead
The purpose of this study was to evaluate the feasibility of the magnetic resonance (MR) conditional pacemaker (PM) system (Evia SR-T and DR-T with Safio S leads) under MR conditions.
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:67 -
Cardiovascular magnetic resonance physics for clinicians: part II
This is the second of two reviews that is intended to cover the essential aspects of cardiovascular magnetic resonance (CMR) physics in a way that is understandable and relevant to clinicians using CMR in thei...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:66 -
Design and rationale of the MR-INFORM study: stress perfusion cardiovascular magnetic resonance imaging to guide the management of patients with stable coronary artery disease
In patients with stable coronary artery disease (CAD), decisions regarding revascularisation are primarily driven by the severity and extent of coronary luminal stenoses as determined by invasive coronary angi...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:65 -
Extracellular volume fraction mapping in the myocardium, part 2: initial clinical experience
Diffuse myocardial fibrosis, and to a lesser extent global myocardial edema, are important processes in heart disease which are difficult to assess or quantify with cardiovascular magnetic resonance (CMR) usin...
Citation: Journal of Cardiovascular Magnetic Resonance 2012 14:64