[PDF] Top 20 Influence of Off resonance in myocardial T1 mapping using SSFP based MOLLI method
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Influence of Off resonance in myocardial T1 mapping using SSFP based MOLLI method
... of off-resonance errors to imaging protocol ...to off-resonance arises due to the influence of the SSFP readout during the approach to steady ...the T1-mapping ... See full document
8
Reference values for healthy human myocardium using a T1 mapping methodology: results from the International T1 Multicenter cardiovascular magnetic resonance study
... that T1 mapping is sufficiently accurate, reproducible and robust to enter into clinical translational pathway; T1-values were found abnormal in a variety of cardiomyopathies and permit dis- ... See full document
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Characterization of myocardial T1 mapping bias caused by intramyocardial fat in inversion recovery and saturation recovery techniques
... proaches, based on MOLLI [3,16] and SASHA methods [17,37], ...of T1 measure- ments in this article is based on waveform level Bloch- simulations and curve fitting using the following ... See full document
11
Parallel simulations for QUAntifying RElaxation magnetic resonance constants (SQUAREMR): an example towards accurate MOLLI T1 measurements
... a MOLLI pulse sequence, the methodology was applied on phan- toms with a range of T1 and T2 ...remaining T1 and T2 combinations; how- ever, this was expected for a T1 mapping pulse ... See full document
15
T1 and extracellular volume mapping in the heart: estimation of error maps and the influence of noise on precision
... of T1 and ECV estimates are formulated and SD maps are calculated on a pixel-wise basis using the Modified Look-Locker Inversion recovery (MOLLI) ...simulation using Monte-Carlo analysis and ... See full document
12
Comparison of short axis and long axis acquisitions of T1 and extracellular volume mapping using MOLLI and SASHA in patients with myocardial infarction and healthy volunteers
... global myocardial T1 values between four-chamber long-axis and mid-ventricular short-axis measurements using the MOLLI T1 mapping technique on a group of healthy ...global ... See full document
8
Cardiovascular magnetic resonance by non contrast T1 mapping allows assessment of severity of injury in acute myocardial infarction
... The clinical significance of LGE as a precise measure of myocardial irreversible injury has recently been chal- lenged. Firstly, in the early hours post ischemia, dynamic changes of LGE were shown within the ... See full document
13
Reproducibility of native myocardial T1 mapping in the assessment of Fabry disease and its role in early detection of cardiac involvement by cardiovascular magnetic resonance
... magnetic resonance (CMR) derived native myocardial T1 is decreased in patients with Fabry disease even before left ventricular hypertrophy (LVH) occurs and may be the first non-invasive measure of ... See full document
9
Standardization of T1 measurements with MOLLI in differentiation between health and disease – the ConSept study
... on T1 measurements. For routine clinical application of T1 mapping, studies with larger subject samples are re- quired to determine normal standard ranges for T1 ...measurements. T1 ... See full document
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Shortened Modified Look Locker Inversion recovery (ShMOLLI) for clinical myocardial T1 mapping at 1 5 and 3 T within a 9 heartbeat breathhold
... images using MOLLI and ShMOLLI were ...collected using exactly the same SSFP readouts for both methods to allow direct comparisons, typically: TR/TE = ...the T1 measurements; this was ... See full document
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T1 mapping in the heart: accuracy and precision
... selective SSFP readout from a given beat does not influence the ...simply T1 rather than T1* and does not require a Look-Locker ...shorter T1 (Figure 13). The MOLLI method ... See full document
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Systolic MOLLI T1 mapping with heart rate dependent pulse sequence sampling scheme is feasible in patients with atrial fibrillation
... the myocardial native T1 times and ECV of patients with AF were greater than in healthy ...[3]. T1 mapping and ECV allow quantitative assessment of diffuse myocardial character- istics ... See full document
10
Analyzing myocardial torsion based on tissue phase mapping cardiovascular magnetic resonance
... torsion using tissue Doppler imaging [8], or speckle tracing echocardiography ...magnetic resonance (CMR) is a powerful alternative for analyzing local myo- cardial ...deformation. Based on ... See full document
13
Increased myocardial native T1 and extracellular volume in patients with Duchenne muscular dystrophy
... This is a single center study and in principle, this could make the results less generalizable. The Neuromuscular- Cardiology Clinic at our institution, however, draws DMD patients from across the country, and a large ... See full document
13
Myocardial T1 and extracellular volume fraction mapping at 3 tesla
... The MOLLI sequence has been demonstrated to be an accurate and reproducible approach for myocardial T1 mapping ...described MOLLI protocol requires a 17 heartbeat breath ...heartbeat ... See full document
10
Myocardial T1 mapping: where are we now and where are we going?
... imaging method is the gold standard for noninvasive myocardial tissue characterization and scar ...imaging/quantification. T1 mapping takes this forward to the measurement of diffuse processes ... See full document
9
Modified look locker inversion recovery T1 mapping indices: assessment of accuracy and reproducibility between magnetic resonance scanners
... Diffuse myocardial fibrosis is a common feature of a broad variety of cardiovascular ...netic resonance (CMR) T1 mapping indices, including T1 time, partition coefficient (λ), and ... See full document
10
Non contrast T1 mapping detects acute myocardial edema with high diagnostic accuracy: a comparison to T2 weighted cardiovascular magnetic resonance
... our T1-mapping method is novel, we aimed to be as ac- curate as possible in setting the most optimal cut-off value for detecting edema and thus were stringent on selecting only the best ... See full document
12
Subclinical myocardial inflammation and diffuse fibrosis are common in systemic sclerosis – a clinical study using myocardial T1 mapping and extracellular volume quantification
... SSc using the 1980 American College of Rheumatology cri- teria ...(previous myocardial infarction, pre- vious myocarditis, heart failure, arrhythmia on 12-lead ECG and medical history or other chronic ... See full document
12
Role of cardiac T1 mapping and extracellular volume in the assessment of myocardial infarction
... for myocardial scar assessment remains LGE ...recovery T1-weighted (T1W) gradient echo acquisition approximately 10 min after the intravenous administration of the gadolinium ...magnetic resonance ... See full document
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