Cardiac cine mr imaging magnetic resonance imaging cine. Medical search. Frequent questions

The Society for Cardiovascular Magnetic Resonance (SCMR) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians. (peachnewmedia.com)
The Society for Cardiovascular Magnetic Resonance (SCMR) designates this Journal-based CME activity for a maximum of 1.0 AMA PRA Category 1 Credit (s)™ . (peachnewmedia.com)
CMR protocols were based on standardized protocols recommended by the Society for Cardiovascular Magnetic Resonance (SCMR) and the European Society of Cardiology (ESC) Working Group EuroCMR, respectively [ 6 ]. (hindawi.com)

Because magnetic resonance imaging (MRI), magnetic resonance angiography (MRA), and computed tomography (CT) provide a larger field of view, which affords a better opportunity to assess contiguous extracardiac involvement or the presence of metastatic disease, they are preferred over echocardiography for cases that are not as straightforward or for cases in which acoustic access is restricted. (medscape.com)
CMS received a request to delete the national noncoverage of blood flow measurement from the Magnetic Resonance Imaging NCD at 220.2 of the NCD Manual and thus permit local Medicare contractor discretion to cover this use under 220.2(D). The requestor points to an apparent contradiction between this noncoverage provision and the national coverage of magnetic resonance imaging under the Magnetic Resonance Angiography NCD at 220.3 of the NCD Manual. (cms.gov)
Feasibility of integrating high-spatial-resolution 3D breath-hold coronary MR angiography with myocardial perfusion and viability examinations. (umassmed.edu)
A 3D balanced-SSFP Dixon technique with group-encoded k-space segmentation for breath-held non-contrast-enhanced MR angiography. (umassmed.edu)
Steady state free precession sequence, phase contrast to measure blood flow, T2* and magnetic resonance angiography). (edx.org)
In this study, we compared the magnitude image and the source image of PC MR angiography (MagSUM) derived from both 2D and 3D PC MRI. (biomedcentral.com)

Organ dose in cardiac dual-energy computed tomography: a Monte Carlo study. (nih.gov)
All incidental findings discovered on cMRI were characterized by means of additional imaging techniques: ultrasound (US), computed tomography (CT), dedicated MR examination, bone scintigraphy with technetium 99m-methylene diphosphonate (99mTC-MDP), and positron emission tomography-computed tomography (PET-CT). (hindawi.com)
A MOOC on cardiac computed tomography (CT) is also available on this platform in order to introduce you to this complementary cardiovascular imaging technique. (edx.org)
Myelography, computed tomography (CT) scanning, CT myelography, and magnetic resonance imaging (MRI) are added when indicated, as with compressive cord symptoms at the craniocervical and thoracolumbar junctions. (medscape.com)

Harmonic phase (HARP) algorithm is a medical image analysis technique capable of extracting and processing motion information from tagged magnetic resonance image (MRI) sequences. (wikipedia.org)
In this study, we developed a fully automated approach to right atrial segmentation in 4-chamber long-axis magnetic resonance image (MRI) cine sequences by applying a U-Net based neural network approach followed by a contour reconstruction and refinement algorithm. (ieee.org)
The MR images were retrospectively acquired from 242 cine sequences which were manually segmented by an expert radiologist to produce the ground truth data. (ieee.org)
Evaluation of the proposed method on the remaining 40 MR image sequences excluding a single outlier sequence yielded promising Sorensen--Dice coefficients and Hausdorff distances of 95.2% and 4.64 mm respectively before refinement and 94.9% and 4.38 mm afterward. (ieee.org)
60 degrees (SSFP 1.5 T and 3 T). The optimized sequences were applied in a study of cardiac function in a group of ten normal volunteers. (ox.ac.uk)
We conclude that cardiac functional examinations at 3 T should use SSFP sequences. (ox.ac.uk)
Consequently, the patient underwent a cardiac magnetic resonance (CMR) examination, with the following sequences - cine: short axis, two chambers, three chambers, four chambers - and post-gadolinium delayed enhancement. (eurorad.org)
The completion rate for planned MRI investigations was more than 95%: 741 MR-examinations with 2,637 MRI sequences (more than 200,000 picture data), 5,720 urine samples, 244 blood samples, 205 ECG, 1,018 BIA, 539 anthropological measurements and 150 psychological questionnaires. (biomedcentral.com)
The advantages of the proposed technique are demonstrated on a dataset containing CP-BOLD MR and standard CINE MR image sequences acquired in baseline and ischemic condition across 10 canine subjects, where our method outperforms state-of-the-art supervised segmentation techniques in CP-BOLD MR and performs at-par for standard CINE MR. (springer.com)
Understanding of the basic CMR physics and sequences in order to better understand how to acquire cardiac images and how to assess commonly used sequences (eg. (edx.org)
The different sequences used in cardiac MRI imaging and the physics behind these sequences. (edx.org)
Objectives To assess the feasibility of extracting radiomics signal intensity based features from the myocardium using cardiovascular magnetic resonance (CMR) imaging stress perfusion sequences. (researchgate.net)

Ability to analyse CMR images at SCMR level 1 competency such as stress perfusion, late gadolinium enhancement and post-processing for ventricular function. (edx.org)
To investigate the association of a wide QRS-T angle on the surface ECG and late gadolinium enhancement on contrast-enhanced cardiovascular magnetic (CMR) imaging in patients with clinically suspected myocarditis. (medsci.org)
Late gadolinium enhancement (LGE) on contrast-enhanced cardiac magnetic resonance (CMR) imaging depicts myocardial necrosis and later replacement fibrosis (scar) in patients with myocarditis with high spatial resolution. (medsci.org)

Circ Cardiovasc Imaging. (peachnewmedia.com)
Int J Cardiovasc Imaging. (uc.cl)

One of my methods, DISCO, is now a product available on all GE MRI scanners since 2017, and is widely used for prostate and breast imaging worldwide. (umassmed.edu)

J Magn Reson Imaging 2019;49(6):1528-1542. (peachnewmedia.com)

However, suffered from long imaging and post-processing times, tagged MRI was slow in entering into routine clinical use until the HARP algorithm was developed and published in 1999. (wikipedia.org)
This may help explain recent clinical imaging studies using meta-iodobenzylguanidine (MIBG) and 11C-meta-hydroxyephedrine positron emission tomography (PET) which demonstrate that border zone denervation is strongly associated with a high risk of future arrhythmia. (frontiersin.org)
The general assumption is that low field MRI offers low quality imaging, however new high-performance low-field MRI systems may offer good image quality for clinical application. (peachnewmedia.com)
We report the clinical, genetic and cardiac magnetic resonance imaging (MRI) findings in 11 German patients with heterozygous E245D, D339Y, R350P and L377P desmin mutations and without cardiac symptoms. (unibas.ch)
Clinical evaluation revealed a marked variability of skeletal muscle, respiratory and cardiac involvement even between patients with identical mutations, ranging from asymptomatic to severely affected. (unibas.ch)
Significant parts of neck, thorax, and upper abdomen are imaged at the time of routine clinical cMRI, particularly in the initial multislice axial and coronal images. (hindawi.com)
That image data has been acquired in the clinical routine at two different hospitals. (emis.de)
Cardiac magnetic resonance imaging (CMR) has been widely used in clinical practice for the medical diagnosis of cardiac diseases. (catalyzex.com)
Cross-sectional imaging findings of COs, such as location, morphology, size, and accompanying wall motion abnormalities, play an essential role in determining the correct diagnosis and appropriate clinical management. (dirjournal.org)
The imaging findings of COs should be carefully evaluated along with the patient's clinical history to determine the correct diagnosis and appropriate clinical management. (dirjournal.org)
1 Imaging findings of COs, such as location, morphology, size, and accompanying wall motion abnormalities, should be carefully evaluated along with the patient's clinical history to determine the correct diagnosis and appropriate clinical management. (dirjournal.org)
We enrolled 97 consecutive patients that were referred to CMR imaging for a clinical suspicion of myocarditis. (medsci.org)
Although several studies have reported promising results for the assessment of PE on MR imaging, the overall clinical importance of MR for imaging of PE has been minor. (diagnosticimaging.com)

In autumn 2009 I took up my current position as Reader in Cardiovascular Imaging and Centre Lead in the new Advanced Cardiovascular Imaging Centre funded through the NIHR Cardiovascular Biomedical Research Unit. (researchgate.net)

Electronic portal image enhancement based on nonuniformity correction in wavelet domain. (nih.gov)
While echocardiography did not show any pathological findings in all 11 patients, cine MRI revealed focal left ventricular hypertrophy in 2 patients and MR delayed enhancement imaging displayed intramyocardial fibrosis in the left ventricle in 4 patients indicating early myocardial involvement. (unibas.ch)
Noninvasive detection of myocardial fibrosis in arrhythmogenic right ventricular cardiomyopathy using delayed-enhancement magnetic resonance imaging. (umassmed.edu)
Delayed Myocardial Enhancement in Cardiac Magnetic Resonance Imaging. (ucla.edu)

Magnetic resonance spectroscopy measured conversion into [1,4-13C2]malate. (ox.ac.uk)
For in vivo studies, magnetic resonance spectroscopy and a novel spatial-spectral magnetic resonance imaging sequence were implemented to assess cardiomyocyte necrosis in rats, 1 day and 1 week after cryo-induced MI. (ox.ac.uk)
Cardiac energy metabolism in heart valve diseases with 31P MR spectroscopy]. (ox.ac.uk)
PURPOSE: Heart valve disease combined with left ventricular hypertrophy leads to derangements in cardiac energy metabolism, which can be detected non-invasively by 31P-MR-spectroscopy. (ox.ac.uk)
Assessment of brain metabolite correlates of adeno-associated virus-mediated over-expression of human alpha-synuclein in cortical neurons by in vivo (1) H-MR spectroscopy at 9.4 T. (lu.se)

Radiology: Cardiothoracic Imaging. (uc.cl)

3] S Gill,D J Rakhit,S K Ohri et al (2011) Left ventricular true and false aneurysms identified by cardiovascular magnetic resonance. (eurorad.org)

In cardiac magnetic resonance imaging, tagging techniques make it possible to capture and store the motion information of myocardium in vivo. (wikipedia.org)
MR tagging uses a special pulse sequence to create temporary features - tags in the myocardium. (wikipedia.org)
Tags deform together with the myocardium as the heart beats and are captured by MR imaging. (wikipedia.org)
Analysis of the motion of the tag features in many images taken from different orientations and at different times can be used to track material points in the myocardium. (wikipedia.org)
And the harmonic phase image in (d) contains the motion of the myocardium in horizontal direction. (wikipedia.org)
In this paper, we present a fully unsupervised technique for segmenting myocardium from the background in both standard CINE MR and CP-BOLD MR. We combine appearance with motion information (obtained via Optical Flow) in a dictionary learning framework to sparsely represent important features in a low dimensional space and separate myocardium from background accordingly. (springer.com)
1,2,3 The walls of VTAs often exhibit late gadolinium elevation (LGE) on magnetic resonance imaging (MRI) caused by scarred myocardium. (dirjournal.org)
3 The presence of an abrupt transition between the healthy myocardium and outpouching is a crucial imaging finding for VPs, unlike VTAs. (dirjournal.org)

Magnetic resonance-based detection of the conversion of hyperpolarized [1,4-13C2]fumarate to [1,4-13C2]malate, enabled by disrupted cell membrane integrity, has measured cellular necrosis in vivo in other tissue types. (ox.ac.uk)
Fast, high-resolution in vivo cine magnetic resonance imaging in normal and failing mouse hearts on a vertical 11.7 T system. (ox.ac.uk)
PURPOSE: To establish fast, high-resolution in vivo cine magnetic resonance imaging (cine-MRI) on a vertical 11.7-T MR system and to investigate the stability of normal and failing mouse hearts in the vertical position. (ox.ac.uk)
Diabetic db/db mice do not develop heart failure upon pressure overload: a longitudinal in vivo PET, MRI, and MRS study on cardiac metabolic, structural, and functional adaptations. (uni-muenster.de)

In diagnosing heart diseases, the estimation of cardiac performance indices requires accurate segmentation of the left ventricle (LV) wall from cine cardiac magnetic resonance (CMR) images. (louisville.edu)
Though unsupervised segmentation was a de-facto standard for cardiac MRI segmentation early on, recently cardiac MRI segmentation literature has favored fully supervised techniques such as Dictionary Learning and Atlas-based techniques. (springer.com)
Although CP-BOLD looks similar to standard CINE, changes in myocardial intensity patterns and shape across cardiac phases, due to the heart's motion, BOLD effect and artifacts affect the underlying mechanisms of fully supervised segmentation techniques resulting in a significant drop in segmentation accuracy. (springer.com)
Multi-atlas segmentation with augmented features for cardiac MR images. (springer.com)
Automated left ventricular segmentation in cardiac MRI. (springer.com)
A review of segmentation methods in short axis cardiac MR images. (springer.com)
Segmentation of MR images via discriminative dictionary learning and sparse coding: Application to hippocampus labeling. (springer.com)
My current research interests are focused on ultra high-resolution imaging and segmentation of deep brain structures like thalamus and hippocampus and the specificity of their involvement in pathology such as alcoholism, multiple sclerosis, Alzheimer's disease, and essential tremor. (umassmed.edu)
Deep learning models were trained and validated for tissue segmentation, template construction, and template-to-image registration. (catalyzex.com)
However, the image quality which affects the accuracy of segmentation of left ventricle (LV) has not been discussed. (biomedcentral.com)
The magnitude image of 2D PC MRI seems to provide accurate segmentation of LV. (biomedcentral.com)
We have to pay attention when using MagSUM image of 2D and 3D PC MRI for LV segmentation. (biomedcentral.com)
Reliability and reproducibility of quantitative assessment of left ventricular function and volumes with 3-slice segmentation of cine steady-state free precession short axis images. (ucla.edu)

Magnetic resonance imaging (MRI, formerly known as nuclear magnetic resonance imaging - NMRI) is a noninvasive method of graphically representing the distribution of water and other hydrogen-rich molecules in the human body. (cms.gov)
CONCLUSION: PVR is a novel way to present volumetric data and may enable noninvasive diagnostic endoscopy and provide an alternate method to analyze volumetric imaging data for primary diagnosis. (rsna.org)
Cardiac magnetic resonance imaging (cMRI) has recently emerged as a new noninvasive imaging modality that offers superior structural and functional assessment of the heart. (hindawi.com)
Cardiac magnetic resonance imaging (cMRI) has recently emerged as a new noninvasive imaging modality capable of providing high-resolution images of the heart in any desired plane view, without radiation exposure. (hindawi.com)
Advanced imaging plays an important role towards this goal, with the promise of offering unique noninvasive signatures of the disease. (woarin.cloud)

Cardiac balanced steady-state free precession MRI at 0.35 T: a comparison study with 1.5 T. Quant Imaging Med Surg. (peachnewmedia.com)
Methods Twenty-three consecutive patients underwent 1.5-Tesla cine magnetic resonance (MR) imaging of the entire heart in the long-axis and short-axis orientation with breath-hold steady-state free precession imaging. (uantwerpen.be)
Breath-held MR cholangiopancreatography (MRCP) using a 3D Dixon fat-water separated balanced steady state free precession sequence. (umassmed.edu)

Hyperpolarized [1,4-13C2]Fumarate Enables Magnetic Resonance-Based Imaging of Myocardial Necrosis. (ox.ac.uk)

Reports have been published on the use of FDG PET/CT showing cardiac neoplasia, particularly metastatic involvement, as well as being used in cases of suspected aggressive cardiac malignancy to support the diagnosis and detect occult distant disease. (medscape.com)
The diagnosis of IEF was made upon images and always included in the report. (hindawi.com)
Cardiac MRI diagnosis of coronary sinus to right atrium fistula in young asymptomatic patient. (ucla.edu)
Chest x-ray is often the initial imaging study in patients with suspected PE, but it is highly unspecific and can neither rule out nor confirm the diagnosis. (diagnosticimaging.com)
Echocardiography can help to confirm the diagnosis, assess the severity of the anatomic lesion, and determine the effects on cardiac function. (medscape.com)
Once a diagnosis of DCM is made, advanced imaging, especially CMR, is often used to answer other clinically focused questions. (woarin.cloud)

Our data argue against distinct genotype-phenotype correlations and suggest that comprehensive cardiac MRI is superior to conventional echocardiography for the detection of early and clinically asymptomatic stages of cardiomyopathy in desminopathy patients. (unibas.ch)
Highly accurate volumetric assessment and ejection fraction calculation in cardiomyopathy (dilated, hypertrophic, etc.), pericardial disease, cardiac tumors and cardiac transplants. (siemens-healthineers.com)
Collinearity and Dimensionality Reduction in Radiomics: Effect of Preprocessing Parameters in Hypertrophic Cardiomyopathy Magnetic Resonance T1 and T2 Mapping. (cdc.gov)
Identification of fibrosis in hypertrophic cardiomyopathy: a radiomic study on cardiac magnetic resonance cine imaging. (cdc.gov)
Artificial intelligence study on left ventricular function among normal individuals, hypertrophic cardiomyopathy and dilated cardiomyopathy patients using 1.5T cardiac cine MR images obtained by SSFP sequence. (cdc.gov)
Deep learning algorithm to improve hypertrophic cardiomyopathy mutation prediction using cardiac cine images. (cdc.gov)
AIMS: To examine the relevance of genetic and cardiovascular magnetic resonance (CMR) features of dilated cardiomyopathy (DCM) in individuals with coronary artery disease (CAD). (imperial.ac.uk)
Ischemic cardiomyopathy is relatively easy to differentiate from DCM, but cardiovascular magnetic resonance (CMR) is now revealing overlapping conditions where a DCM can coexist with significant coronary artery disease (CAD). (woarin.cloud)

But, the benefits of unsupervised techniques e.g., no need for large amount of training data and better potential of handling variability in anatomy and image contrast, is more evident with emerging cardiac MR modalities. (springer.com)
Traditional imaging modalities for Ebstein anomaly include chest radiography, echocardiography, cardiac catheterization with right ventriculography, and cardiac MRI. (medscape.com)

Prognostic Impact of Intravascular Imaging-Guided Percutaneous Coronary Intervention in Chronic Total Occlusion. (amedeo.com)
Inverse-variance weighted MR was utilized for analyses on outcomes of atrial fibrillation, coronary artery disease, heart failure, ischaemic stroke, and 16 measures of cardiac structure and function. (imperial.ac.uk)

The implications of an increase in field strength, from 1.5 T to 3 T, for routine functional cardiac examinations have been systematically investigated. (ox.ac.uk)
Also, a novel framework for assessing both 3D functional strain and wall thickening from 4D cine cardiac magnetic resonance imaging (CCMR) is introduced. (louisville.edu)
Cardiac functional parameters were compared to matched mice imaged previously on a horizontal MR system. (ox.ac.uk)
Cardiac functional parameters of mice, obtained within one hour, agreed well with those from previous studies of mice in the horizontal position. (ox.ac.uk)
Mostajeran M, Wetterling F, W Blixt F, Edvinsson L, Ansar S. Acute mitogen-activated protein kinase 1/2 inhibition improves functional recovery and vascular changes after ischaemic stroke in rat-monitored by 9.4 T magnetic resonance imaging. (lu.se)

Background Software for the analysis of left ventricular (LV) volumes and mass using border detection in short-axis images only, is hampered by through-plane cardiac motion. (uantwerpen.be)
Offline analysis was performed using software that uses short-axis images (Medis MASS) and software that includes two-chamber and four-chamber images to involve longitudinal LV expansion and shortening (CAAS-MRV). (uantwerpen.be)
A 4D model can be created with a few mouse clicks by defining the center of the LV apex on an apical short-axis cine, center of the LV base on a basal short-axis cine, mitral valve insertion points on a 2- and/or 4-chamber plane in diastole and systole. (siemens-healthineers.com)

Echocardiography, especially the transesophageal route, is usually the initial imaging modality. (medscape.com)
Magnetic resonance imaging is a diagnostic imaging modality that is capable of demonstrating a wide variety of soft-tissue lesions with contrast resolution equal or superior to CT scanning in various parts of the body. (cms.gov)
Complementary to structural analysis, diffusion tensor imaging (DTI) has proven effective in identifying age-related microstructural changes within the brain white matter, thereby presenting itself as a promising additional modality for brain age prediction. (bvsalud.org)

Tremor suppression in the hands of patients with essential tremor can be achieved by lesioning the ventral intermediate nucleus (Vim) of the thalamus using transcranial MR-guided focused ultrasound. (stanford.edu)
Outside cardiac ultrasound was interpreted to show right ventricular dilatation and dysfunction, and suggested a paravalvular pulmonic leak. (massgeneral.org)
Because this was an unsuspected finding, and cardiac ultrasound was non-diagnostic (acoustic windows were limited), cine fluoroscopy was performed, confirming that the prosthetic pulmonic valve was fixed in the open position. (massgeneral.org)

[ 1 ] The most common primary cardiac tumor is atrial myxoma , which accounts for 40-50% of these neoplasms. (medscape.com)
No missing ventricular volume nor additional atrial volume deterioration due to cardiac phase adaptive 4D model. (siemens-healthineers.com)

Several observational studies in a variety of cardiac diseases have shown that the QRS-T-angle is a strong and independent prognosticator of adverse cardiac events including sudden cardiac death [ 5 , 6 ]. (medsci.org)

Left ventricular (LV) function was analyzed by cine MRI. (ox.ac.uk)
1] Negareh Mousavi, Raena Buksak, and Jonathan R Walker et al (2009) Left ventricular pseudoaneurysm: The role of multimodality cardiac imaging. (eurorad.org)
2] Eli Konen, Naeem Merchant and Carlos Gutierrez et al (2005) True versus False Left Ventricular Aneurysm: Differentiation with MR Imaging-Initial Experience. (eurorad.org)
Bland-Altman Plot for left ventricular volume measured by phase contrast MRI and standard cine MRI. (biomedcentral.com)
Disease progression ranges from mild chest discomfort with undisturbed left ventricular function to severe dyspnea and progressive heart failure or even sudden cardiac death [ 1 - 4 ]. (medsci.org)

The most important research tool was a 1.5 Tesla magnetic resonance imaging (MRI) scanner mounted on a mobile unit following the ultra runners from stage to stage each day. (biomedcentral.com)
Shared vulnerability of two synaptically-connected medial temporal lobe areas to age and cognitive decline: a seven tesla magnetic resonance imaging study. (umassmed.edu)

Imaging findings inconsistent with those expected at specific chronological age ranges may serve as early indicators of neurological disorders and increased mortality risk. (bvsalud.org)
This article reviews the key cross-sectional imaging findings and differential diagnoses of COs. (dirjournal.org)

I am an MRI physicist with over twenty-five years of experience in MR physics, pulse sequence development, image reconstruction, and image processing spanning industry (GE) and academia (Stanford, Mayo, UA). (umassmed.edu)
DIfferential Subsampling with Cartesian Ordering (DISCO): a high spatio-temporal resolution Dixon imaging sequence for multiphasic contrast enhanced abdominal imaging. (umassmed.edu)
An efficient 3D stack-of-stars turbo spin echo pulse sequence for simultaneous T2-weighted imaging and T2 mapping. (umassmed.edu)
Multiecho time-resolved acquisition (META): a high spatiotemporal resolution Dixon imaging sequence for dynamic contrast-enhanced MRI. (umassmed.edu)
Field Strength/Sequence: A 3.0 T/4D flow MRI using a phase-contrast three-dimensional cine-gradient-echo sequence. (nagoya-u.ac.jp)
3D cine phase-contrast (4D flow) MRI is a sequence with great potential for non-invasive time-resolved 3D flowmetry at arbitrary vessel sections in various blood vessels. (nagoya-u.ac.jp)

The optimization of low field MRI imaging methods, including the use of modern acquisition and reconstruction strategies, can enable high quality CMR imaging that provides equivalent diagnostic capabilities. (peachnewmedia.com)
Opportunities in Interventional and Diagnostic Imaging by Using High-performance Low-Field-Strength MRI. (peachnewmedia.com)
Furthermore, to compare the diagnostic performance of radiomics models against standard-of-care qualitative visual assessment of stress perfusion images, w. (researchgate.net)

Cardiac tumors may be primary or secondary, may be related to the heart muscle or pericardium, and may be direct extensions of primary tumors or metastases from adjacent structures. (medscape.com)
In general, primary cardiac tumors are of mesothelial or epithelial origin. (medscape.com)
The World Health Organization (WHO) divides primary cardiac tumors into benign tumors, uncertain biological behavior tumors, germ cell tumors, and malignant tumors. (medscape.com)
Although cardiac MRI has high accuracy for identifying benign tumors, pathology remains the gold standard for differentiating between tumor types. (medscape.com)

Seifert R, Kuhlmann MT, Eligehausen S, Kiefer F, Hermann S, Schafers M. Molecular imaging of MMP activity discriminates unstable from stable plaque phenotypes in shear-stress induced murine atherosclerosis. (uni-muenster.de)

The method is fast and accurate, and has been accepted as one of the most popular tagged MRI analysis methods in medical image processing. (wikipedia.org)
Describe how a high-performance low field MRI system performs for quantitative cine CMR imaging, compared to conventional methods. (peachnewmedia.com)
MATERIALS AND METHODS: Perspective views of helical CT and MR images were reconstructed from the data, and tissues were classified by assigning color and opacity based on their CT attenuation or MR signal intensity. (rsna.org)
Specifically, we deliberately disregard the macrostructural information when predicting age from DTI scalar images, using two distinct methods. (bvsalud.org)
Imaging Methods: Magnetic Resonance Imaging. (uc.cl)
Despite promising advances in deep learning-based MRI reconstruction methods, restoring high-frequency image details and textures remains a challenging problem for accelerated MRI. (catalyzex.com)
MATERIALS AND METHODS: To optimize the method on a high-field system, various MR-related parameters, such as relaxation times and the need for respiratory gating, were quantitatively investigated. (ox.ac.uk)

CT perfusion imaging is important in the imaging workup of acute ischemic stroke for evaluating affected cerebral tissue. (bvsalud.org)
Lung perfusion scintigraphy, which is frequently performed as a combined ventilation-perfusion (V/Q) scan, has traditionally been the mainstay for imaging patients with suspected PE. (diagnosticimaging.com)

Cine Magnetic Resonance (MR) imaging has become the method-of-choice for the examination of the dynamic behaviour of the heart. (emis.de)

Free-breathing Contrast-agent free whole-heart MTC-BOOST imaging: Single-center validation study in Adult Congenital Heart Disease. (uc.cl)

For assessment of energy metabolism, 31P-MR spectra were obtained with a double oblique 3D-CSI technique (voxel size 25 cm3). (ox.ac.uk)

Therefore, cardiac MRI may serve as a screening tool to identify patients at risk, which might benefit from early pharmacological and/or interventional (e.g. implantable cardioverter-defibrillator devices) therapy. (unibas.ch)

3D and gapless multi-slice 2D cine Phase contrast (PC) MRI enables the visualization and analysis of 4D (3D + time) intracardiac flow. (biomedcentral.com)
Quantitative analysis of image quality (4-point scale) for delineation of endocardial border (MagSUM: the source image of phase contrast MRI). (biomedcentral.com)

Experimental results on cardiac cine and T1W/T2W images demonstrate that $k$-$t$ CLAIR achieves high-quality dynamic MR reconstruction in terms of both quantitative and qualitative performance. (catalyzex.com)
It takes an image as input and generates quantitative metrics for cartilage subregions, including the percentage of full-thickness cartilage loss (FCL), mean thickness, surface area, and volume. (catalyzex.com)
And we measured LV volume and compared with standard cine MRI for the quantitative analysis. (biomedcentral.com)
We could not recognize the endocardial border in 3D magnitude image at end-systolic phase in all case and excluded from quantitative analysis (Figure 1 ). (biomedcentral.com)
Chemical exchange saturation transfer of GAG (gagCEST) is a quantitative MR technique that is a useful biomarker for assessing GAG content at 7T. (stanford.edu)
A quantitative analysis also proved respiratory gating to be essential for obtaining artifact-free cine images in the vertical position at this field strength. (ox.ac.uk)
Editorial Comment: Advancing Muscle Imaging With Quantitative Approaches and Emerging Medical Concepts. (amedeo.com)
Preoperative Quantitative MR Tractography Compared with Visual Tract Evaluation in Patients with Neuropathologically Confirmed Gliomas Grades II and III: A Prospective Cohort Study. (lu.se)

Free-running 3D whole-heart T1 and T2 mapping and cine MRI using low-rank reconstruction with non-rigid cardiac motion correction. (uc.cl)
However, these results have not yet been tested for parallel MR. Here we propose an algorithm to exploit overcomplete and adaptive frames for SPIRiT reconstruction and demonstrate its superiority to traditional wavelet regularization. (gitlab.io)

MR Imaging Evaluation of the Kidneys in Patients with Reduced Kidney Function: Noncontrast Techniques Versus Contrast-Enhanced Techniques. (umassmed.edu)
All patients obtained a standardized digital 12-lead ECG for the calculation of the QRS-T angle and underwent contrast-enhanced CMR imaging. (medsci.org)
Total exam dose (including whole-chest non-contrast and cine contrast-enhanced imaging) was 6.5 mSv. (massgeneral.org)

OBJECTIVES: The aim of this study was to determine if hyperpolarized [1,4-13C2]malate imaging could measure cardiomyocyte necrosis after myocardial infarction (MI). (ox.ac.uk)
The purpose of the present study was to examine whether the derangements in cardiac metabolism are reversible after surgical valve replacement. (ox.ac.uk)
This study demonstrates the feasibility of conducting a trial based centrally on mobile MR-measurements which were performed during ten weeks while crossing an entire continent. (biomedcentral.com)
Lin, X., Cowan, B.R., Young, A.A.: Automated detection of left ventricle in 4D MR images: Experience from a large study. (springer.com)
This study aimed to investigate whether increased carotid IMT is associated with changes in cardiac structure and function in middle-ag. (researchgate.net)
3 If that study was repeated today, it is quite likely that the idiopathic category would be significantly diminished given that current advanced imaging makes it possible to identify subsets of patients that were previously difficult to diagnose. (woarin.cloud)

There are, in general, three presentations that often bring the patient to the imaging laboratories, albeit with significant overlap among these categories: 1) the dilated heart, 2) the hypertrophic heart and 3) the arrhythmic heart. (woarin.cloud)

It is not covered for patients with cardiac pacemakers or with metallic clips on vascular aneurysms. (cms.gov)
742 consecutive patients (402 males and 340 females) referred to the Cardiac Magnetic Resonance Center of our University Hospital between January 2015 and December 2016 for clinically indicated cMRI were retrospectively enrolled for the evaluation of IEF prevalence and relevance. (hindawi.com)
A retrospective analysis of cardiac cine MR image data from 20 patients (healthy ones, patients with abnormal wall motion, and patients who suffered an infarction) has been done. (emis.de)
10 Special conditions related to high magnetic fields, limited access to patients within the magnet bore, and the limited availability of scanners have also counted against MR as a first-line tool for imaging acute cardiovascular disease. (diagnosticimaging.com)
However, many patients with cardiac implantable fonctions cardiaques et non cardiaques. (bvsalud.org)

Manual delineation of the right atrium throughout the cardiac cycle is tedious and time-consuming, yet promising for early detection of right heart dysfunction. (ieee.org)

Two-dimensional (2D) echocardiography (seen in the images below) is usually performed next. (medscape.com)

In cases of suspected cardiac malignancies, CT scanning is also useful to assess extracardiac extent and distant metastases. (medscape.com)

PURPOSE: To use perspective volume rendering (PVR) of computed tomographic (CT) and magnetic resonance (MR) imaging data sets to simulate endoscopic views of human organ systems. (rsna.org)
M. Naf, O. Kübler, R. Kikinis, M.E. Shenton, E. Szekely, Characterisation of 3D organ shapes in medical image analysis using skeletonisation, in: Proc. (crossref.org)

M. Hernandez-Hoyos, M. Orkisz, J.-P. Roux, P.C. Douek, Inertia-Based Vessel Axis Extraction and Stenosis Quantification in 3D MRA images, in: Proc. (crossref.org)
Conclusion MR analysis of LV volumes and mass involving long-axis LV motion is a highly reproducible method, resulting in smaller LV volumes, higher ejection fraction and calculated LV mass. (uantwerpen.be)

Pheochromocytomas may be imaged by using metaiodobenzylguanidine (mIBG) uptake studies. (medscape.com)

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Analytical, Diagnostic and Therapeutic Techniques and Equipment46

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Society for Cardiovascular Magnetic3

Angiography6

Computed tomography4

Sequences12

Late gadolinium enhancement3

Cardiovasc Imaging2

20171

Magn Reson Imaging1

Clinical13

Cardiovascular Imaging1

Enhancement4

Spectroscopy5

Radiology1

Identified by cardiovascular magnetic1

Myocardium8

Vivo4

Segmentation13

Noninvasive5

Steady-state free precession3

Myocardial Necrosis1

Diagnosis6

Cardiomyopathy8

Modalities2

Coronary2

Functional5

Short-axis3

Modality3

Ultrasound3

Atrial2

Adverse cardiac events1

Ventricular5

Tesla2

Findings2

Sequence6

Diagnostic3

Tumors4

Molecular Imaging1

Methods7

Perfusion2

Examination1

Congenital Heart D1

Energy Metabolism1

Interventional1

Phase contrast2

Quantitative8

Reconstruction2

Contrast-enhanced3

Study6

Hypertrophic1

Patients5

Right atrium1

Echocardiography1

Assess1

Organ2

Axis2

MIBG1