inter test reproducibility of compressed sensing volumes and mass|Assessment of the Precision and Reproducibility of Ventricular : fabrication Significant positive correlations were found between 4D flow and SSFP for ventricular volumes (r = 0.808–0.972, p<0.001), ejection fraction (EF) (r = 0.900–928, p<0.001), and mass (r = . I'm Brunna Colossi, a journalist and TV presenter in Rio Grande do Sul! And this is my travel and leisure channel! Here, I'll give you tips on all the places where I've gone for a stroll, and .
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Significant positive correlations were found between 4D flow and SSFP for ventricular volumes (r = 0.808–0.972, p<0.001), ejection fraction (EF) (r = 0.900–928, p<0.001), and mass (r = . Recently developed compressed sensing (CS) SSFP sequences significantly reduce data acquisition time thereby reducing patient breath-hold and scan time relative to .
For both sequences, the left (LV) and right ventricular (RV) ejection fractions (EF) and end-diastolic volumes (EDV) were assessed as well as LV mass (LVM). The visualization of wall . Recently, the compressed sensing (CS) technique with incoherent sampling and iterative reconstruction was suggested as a solution to accelerate CMR acquisition time . The proposed method combines a highly accelerated single-breathhold compressed-sensing multi-slice CMR technique with a non-model-based 3D reconstruction . • Reliable assessment of atrial volumes and function based on compressed sensing cine imaging is feasible. • Compressed sensing reduces scan time and has the .
Background: Although compressed sensing (CS) accelerated cine holds immense potential to replace conventional cardiovascular magnetic resonance (CMR) cine, .Single-shot CS cine-derived LV volumes and myocardial mass measurements correlated strongly with segmented cines (ICC >0.798) and minor systematic end-systolic volume overestimations . The aim of the study was to demonstrate that this CS concept: 1) is applicable to the heart in a clinical setting; 2) produces data to accurately quantify LV function, volumes, and .
The aim of this study is to assess the feasibility of compressed sensing (CS) acceleration methods compared to conventional segmented cine (Seg) cardiac magnetic resonance (CMR) for evaluating left ventricular (LV) function and strain by feature tracking (FT). In this prospective study, 45 healthy volunteers underwent CMR imaging used Seg, threefold . To test intra-observer variability, the functional analysis was repeated two months later by the same radiologist, for a subset of 20 randomly selected participants with NSR and all participants with AF. . Intra- and inter-observer reproducibility by ICC of mean, maximum and minimum values of each functional parameter from 4~5 heartbeats were .PDF | On Jan 16, 2014, Suzanne Lydiard and others published Inter-observer variability of LV mass and volumes with compressed sensing | Find, read and cite all the research you need on ResearchGate
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14. Vermersch M, Longère B, Coisne A, Schmidt M, Forman C, Monnet A, et al. Compressed sensing real-time cine imaging for assessment of ventricular function, volumes and mass in clinical practice. Eur Radiol. (2020) 30:609–19. doi: 10.1007/s00330-019-06341-2. PubMed Abstract | Crossref Full Text | Google Scholar Three-dimensional time-resolved phase-contrast cardiovascular magnetic resonance (4D flow CMR) enables the quantification and visualisation of blood flow, but its clinical applicability remains hampered by its long scan time. The aim of this study was to evaluate the use of compressed sensing (CS) with on-line reconstruction to accelerate the acquisition .
The technique of compressed sensing (CS) has been applied clinically, reducing scan time while increasing temporal resolution. . Intra- and inter-observer reproducibility for LA strain and SR parameters was assessed using the intraclass correlation coefficient (ICC) for absolute agreement. . volumes and mass in clinical practice. Eur Radiol .
A combined parallel imaging and compressed sensing algorithm, l1-ESPIRiT, . However, the values we report for RV volumes and mass (ICC 0.742–0.934) . Further studies should assess inter-study reproducibility of measurements obtained with 4D flow imaging, which is particularly important in the setting of CHD, as patients may undergo .
Download Table | Interstudy reproducibility of LV mass, volumes and mid-ventricular native T1 values and Inter-observer and intra-observer variability of mid-ventricular native T1 values from .
It may replace multi-breath-hold standard cine CMR [13, 17]; a meta-analysis by Craft et al. indicated that LV volume and mass assessment using compressed sensing CMR are accurate compared to conventional parallel imaging cine . While utilizing similar methodology and arriving at analogous conclusions, the current study uniquely focused on . The clinical utility of 4D flow MRI was previously limited by prohibitively long image acquisition times. 13 However, with the implementation of undersampling methods including parallel imaging and compressed sensing, near-isotropic images can now be acquired in a scan time practical for clinical practice. 9 Recent advances in motion .This imaging strategy differs from conventional techniques of volume measurements, as it utilizes a new and highly accelerated compressed sensing MR strategy accelerated by compressed sensing and by its combination Vardoulis et al. Journal of Cardiovascular Magnetic Resonance (2015) 17:47 Page 10 of 14 Fig. 6 Left column: Long-axis view for the .
Inter-observer variability of LV mass and volumes with compressed sensing. Suzanne Lydiard, 1 Andreas Greiser, 2 Michaela Schmidt, 2 Mariappan S Nadar, 3 Brett R Cowan, 1 and Alistair Young 1 . (VF) analysis of CS data is not known so this study investigated the inter-observer variation of left ventricular (LV) mass and volume measurements .Methods: The prototype CS cine sequence acquires 3 long-axis and 4 short-axis cine loops in 1 single breath-hold (temporal/spatial resolution: 30 ms/1.5 × 1.5 mm 2; acceleration factor 11.0) to measure left ventricular ejection fraction (LVEF CS) as well as LV volumes and LV mass using LV model–based 4D software.For comparison, a conventional stack of multi–breath-hold cine . Deep learning has made significant progress in event-driven applications. But to match standard vision networks, most approaches rely on aggregating events into grid-like representations, which obscure crucial temporal information and limit overall performance. To address this issue, we propose a novel event representation called compressed event .
The technique of compressed sensing (CS) has been applied clinically, reducing scan time while increasing temporal resolution. . volumes and mass in clinical practice. M. Vermersch B. Longère +9 authors F. Pontana. Medicine, Engineering. . Inter-study reproducibility for CMR-based derivation of LA and RA functions is acceptable using . Feasibility of one breath-hold cardiovascular magnetic resonance compressed sensing cine for left ventricular strain analysis . To test the reproducibility of strain analysis, CC images were used to assess intra- and inter-observer agreement in all volunteers. . Zenge MO, et al. Compressed sensing single-breath-hold CMR for fast . Objective The purpose of this work is to evaluate the repeatability of a compressed sensing (CS) accelerated multi-contrast carotid protocol at 3 T. Materials and methods Twelve volunteers and eight patients with carotid .
Objective To explore the feasibility of single-breath-hold compressed sensing real-time cine imaging (CS-cine) in the assessment of ventricular function and left ventricular (LV) strain. Methods A total of 70 subjects were enrolled prospectively, and all subjects underwent cardiac magnetic resonance imaging (cardiac MRI) using both the standard steady . Background 3D non-contrast high-resolution black-blood cardiovascular magnetic resonance (CMR) (DANTE-SPACE) has been used for surveillance of abdominal aortic aneurysm (AAA) and validated against computed tomography (CT) angiography. However, it requires a long scan time of more than 7 min. We sought to develop an accelerated .Compressed sensing real-time cine imaging for assessment of ventricular function, volumes and mass in clinical practice . RVEF (r=0.979), and RVEDV (r=0.983). Moreover, inter- and intraobserver agreements were very strong with intraclass correlations of 0.96 and 0.99, respectively. On CS images, mitral or tricuspid regurgitation visualization .
DOI: 10.1007/s10278-024-01040-x Corpus ID: 267810086; Comparing Strain Assessment in Compressed Sensing and Conventional Cine MRI. @article{Yao2024ComparingSA, title={Comparing Strain Assessment in Compressed Sensing and Conventional Cine MRI.}, author={Kaixuan Yao and Wei Deng and Rong He and Hui Gao and Linlin Wang and Ren . Intra- and inter-observer reproducibility analysis of LA volume measurement was performed on ten patients to assess the robustness of the semi-automatic segmentation method. . Rutz T, Coppo S, Zenge MO, et al. Compressed sensing single-breath-hold CMR for fast quantification of LV function, volumes, and mass. JACC Cardiovasc Imaging. 2014;7: .
Results. Ventricular end-diastolic, end-systolic and stroke volumes obtained from 4DPC and SSFP were well-correlated (ρ=0.91–0.95, r 2 =0.83–0.90), with no statistically significant difference.Ejection fractions were well-correlated in a subpopulation that underwent higher-resolution compressed-sensing 4DPC (ρ=0.88, r 2 =0.77). 4DPC and 2DPC flow rates were . To test intra-observer variability, the functional analysis was repeated two months later by the same radiologist, for a subset of 20 randomly selected participants with NSR and all participants with AF. . Intra- and inter-observer reproducibility by ICC of mean, maximum and minimum values of each functional parameter from 4~5 heartbeats were .
Objective: To explore the feasibility of single-breath-hold compressed sensing real-time cine imaging (CS-cine) in the assessment of ventricular function and left ventricular (LV) strain. Methods: A total of 70 subjects were enrolled prospectively, and all subjects underwent cardiac magnetic resonance imaging (cardiac MRI) using both the standard steady-state free .
Optimizing Clinical Cardiac MRI Workflow through Single Breath
Methods: A novel real-time balanced steady state free precession (bSSFP) spiral sequence reconstructed using Compressed Sensing (CS) was prospectively validated against the breath-hold clinical standard for assessment of ventricular volumes in 60 children with congenital heart disease. Qualitative image scoring, quantitative image quality, as .
Intra- and inter-observer reproducibility analysis of LA volume measurement was performed on ten patients to assess the robustness of the semi-automatic segmentation method. For each compressed sensing cine dataset, the segmentation was performed twice by the same observer P.M. (Observer 1A and Observer 1B results) to assess intra-observer .
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inter test reproducibility of compressed sensing volumes and mass|Assessment of the Precision and Reproducibility of Ventricular