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156 results for “cardiac magnetic resonance”
Increased Cardiac Pi/PCr in the Diabetic Heart Observed Using Phosphorus Magnetic Resonance Spectroscopy at 7T
<p>The uploaded data relate to the work of Valkovič et al. entitled "Increased Cardiac Pi/PCr in the Diabetic Heart Observed Using Phosphorus Magnetic Resonance Spectroscopy at 7T." submitted in 2022<br> The data consist of the anonymised in vivo data of healthy volunteers and T2DM patients, in Siemens DICOM format, acquired as described in the manuscript. The uploaded data also include all analysed STEAM data results with visualised MR spectra and fitted values of PCr and Pi, used for Pi/PCr calculation.</p>
Raw Data for the article: Usefulness of longitudinal systolic strain and delayed enhancement cardiac magnetic resonance in depicting risk of supraventricular arrythmias in patients with acute myocarditis and preserved left ventricular function
<p><strong>Background: </strong>Myocarditis have variable clinical presentation, evolution and prognosis. Aim of our study was to evaluate the value of speckle tracking echocardiography and cardiac magnetic resonance (CMR) in the short-term prediction of supraventricular arrhythmias (SVA) in patients with acute myocarditis.</p> <p><strong>Methods: </strong>Seventy patients (mean age 31±14 years old) with acute myocarditis and preserved left ventricular ejection fraction (LVEF) were enrolled. Longitudinal systolic strain (LS) of the left ventricle (LV), mechanical dispersion (MD) and CMR with quantitative measurement of delayed enhancement (DE) were performed in a subset of 43 patients. Logistic regression and ROC analysis were used to identify predictors of SVA RESULTS: Only LS measured at sup-epicardial, mid-wall and sub-endocardial level of the apical 4-chamber view was significantly lower in patients with SVA, while MD was marginally prolonged in this setting. A value of LS > - 16.1% measured at LV mid-wall in the apical 4-chamber view (ROC-AUC .75, Sensitivity 63%, Specificity 85%) was the most accurate measure to identify patients with SVA. DE mass was also helpful with a ROC-AUC .76; a DE-Mass > 18.9 gr. had a Sensitivity 63% and a Specificity 77%, to identify patients at risk of SVA.</p> <p><strong>Conclusions: </strong>Both DE mass and LS were associated with higher risk of SVA in patients with acute myocarditis and preserved LVEF. However, LS measured at the mid-wall level and limited to LV segments included in the apical 4-chamber view was the most accurate measure and did not show interaction with DE mass.</p>
Comparison of Dobutamine and Regadenoson Stress Cardiac Magnetic Resonance (MR)
ClinicalTrials.gov study NCT00763035. IPD Sharing: Not stated. Countries: 1. Publications: 5.
Safety of Magnetic Resonance Imaging With Patients Who Have Mixed Lead Cardiac Implantable Electronic Devices
ClinicalTrials.gov study NCT07155135. IPD Sharing: NO. Countries: 1. Publications: 12.
Clinically Indicated Magnetic Resonance Imaging in Patients With Cardiac Devices
ClinicalTrials.gov study NCT01130896. IPD Sharing: YES. Countries: 1. Publications: 4.
Cost Comparison of Cardiac Magnetic Resonance Imaging (MRI) Use in Emergency Department (ED) Patients With Chest Pain
ClinicalTrials.gov study NCT00678639. IPD Sharing: Not stated. Countries: 1. Publications: 34.
Novel Cardiac Magnetic Resonance Imaging to Define a Unique Restrictive Cardiomyopathy in Sickle Cell Disease
ClinicalTrials.gov study NCT02410811. IPD Sharing: NO. Countries: 1. Publications: 5.
Cardiac Magnetic Resonance Imaging in Patients With Non-Hodgkin Lymphoma or Hodgkin Lymphoma Receiving Doxorubicin
ClinicalTrials.gov study NCT00577798. IPD Sharing: Not stated. Countries: 1. Publications: 4.
Stress Testing and Cardiac Magnetic Resonance
ClinicalTrials.gov study NCT00871260. IPD Sharing: NO. Countries: 1. Publications: 21.
Data from: The demanding grey zone: sport indices by cardiac magnetic resonance imaging differentiate hypertrophic cardiomyopathy from athlete's heart
Background: We aimed to characterize gender specific left ventricular hypertrophy using a novel, accurate and less time demanding cardiac magnetic resonance (CMR) quantification method to differentiate physiological hypertrophy and hypertrophic cardiomyopathy based on a large population of highly trained athletes and hypertrophic cardiomyopathy patients. Methods and Results: Elite athletes (n=150,>18 training hours/week), HCM patients (n=194) and athletes with hypertrophic cardiomyopathy (n=10) were examined by CMR. CMR based sport indices such as maximal end-diastolic wall thickness to left ventricular end-diastolic volume index ratio (EDWT/LVEDVi) and left ventricular mass to left ventricular end-diastolic volume ratio (LVM/LVEDV) were calculated, established using both conventional and threshold-based quantification method. Whereas 47.5% of male athletes, only 4.1% of female athletes were in the grey zone of hypertrophy (EDWT 13-16mm). EDWT/LVEDVi discriminated between physiological and pathological left ventricular hypertrophy with excellent diagnostic accuracy (AUCCQ:0.998, AUCTQ:0.999). Cut-off value for LVM/LVEDVCQ<0.82 mm×m2/ml and for EDWT/LVEDViTQ<1.27 discriminated between physiological and pathological left ventricular hypertrophy with a sensitivity of 77.8% and 89.2%, a specificity of 86.7% and 91.3%, respectively. LVM/LVEDV evaluated using threshold-based quantification performed significantly better than conventional quantification even in the male subgroup with EDWT between 13-16mm (p<0.001). Conclusions: Almost 50% of male highly trained athletes can reach EDWT of 13 mm. CMR based sport indices provide an important tool to distinguish hypertrophic cardiomyopathy from athlete's heart, especially in highly trained athletes in the grey zone of hypertrophy.
Correlation analysis of epicardial adipose tissue and ventricular myocardial strain in Chinese amateur marathoners using cardiac magnetic resonance
<p><span>The volume of epicardial adipose tissue (EAT) is associated with an increased incidence of cardiovascular disease (CVD); however, only a few studies have examined its effect on the myocardial function of endurance in athletes. The association between the EAT and the variation of myocardial function is still unclear in amateur marathoners. Consequently, by using some sedentary individuals as the control, this study aims to evaluate the correlation between the EAT volume and the myocardial strain in the left and right ventricles of Chinese amateur marathoners by cardiac magnetic resonance (CMR).</span>The volume of epicardial adipose tissue (EAT) is associated with an increased incidence of cardiovascular disease (CVD); however, only a few studies have examined its effect on the myocardial function of endurance in athletes. The association between the EAT and the variation of myocardial function is still unclear in amateur marathoners. Consequently, by using some sedentary individuals as the control, this study aims to evaluate the correlation between the EAT volume and the myocardial strain in the left and right ventricles of Chinese amateur marathoners by cardiac magnetic resonance (CMR).</p>
Correlation between LDH/PDH activities ratio and tissue pH in the perfused mouse heart – a potential non-invasive indicator of cardiac pH provided by hyperpolarized magnetic resonance
<p>Primary data for DOI: 10.1002/nbm.4444</p> <p>NMR in Biomedicine. 2021;34:e4444.</p> <p>Title: Correlation between LDH/PDH activities ratio and tissue pH in the perfused mouse heart – a potential non-invasive indicator of cardiac pH provided by hyperpolarized magnetic resonance</p> <p>Authors: David Shaul, Assad Azar, Gal Sapir, Sivaranjan Uppala, Atara Nardi-Schreiber, Ayelet Gamliel, Jacob Sosna, J. Moshe Gomori, and Rachel Katz-Brull</p> <p> </p> <p>These primary datasets contain data presented in the above publication and consist of:</p> <p>1. <sup>31</sup>P-NMR spectra</p> <p>2. Hyperpolarized <sup>13</sup>C-NMR spectra</p> <p>Please consult the Archive Guide.</p>
The Next Leap in Cardiac Magnetic Resonance Imaging:Cycling the Field
ClinicalTrials.gov study NCT04458883. IPD Sharing: NO. Countries: 1. Publications: 6.
Cardiac Magnetic Resonance for Risk Stratification in Non-dilated Left Ventricular Cardiomyopathy
ClinicalTrials.gov study NCT07351838. IPD Sharing: UNDECIDED. Countries: 1. Publications: 3.
Cardiac Magnetic Resonance Imaging After Cardiac Resynchronization Therapy
ClinicalTrials.gov study NCT03183011. IPD Sharing: NO. Countries: 1. Publications: 2.
Non-contrast Enhanced Cardiac Magnetic Resonance Imaging in the Diagnosis and Classification of Pulmonary Hypertension
ClinicalTrials.gov study NCT01725763. IPD Sharing: Not stated. Countries: 1. Publications: 7.
Impact of Cardiac Magnetic Resonance Imaging on Endothelial Function in Type 2 Diabetes
ClinicalTrials.gov study NCT02001753. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Effects of GLP-1 Agonists on CArdiac Steatosis Evaluated by Magnetic Resonance Imaging
ClinicalTrials.gov study NCT03498001. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Validation of Multi-contrast, High-resolution Cardiac Magnetic Resonance Imaging
ClinicalTrials.gov study NCT05877755. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Cardiac Normal Values Assessed by Magnetic Resonance Imaging
ClinicalTrials.gov study NCT05346094. IPD Sharing: Not stated. Countries: 1. Publications: 8.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.