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Reza Nezafat
Beth Israel Deaconess Medical Center
RadiologyMagnetic resonance imagingCardiologyAngiologyMedicine
271Publications
31H-index
3,637Citations
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Publications 241
Newest
#1Jihye JangH-Index: 7
#2Long NgoH-Index: 56
Last. Reza NezafatH-Index: 31
view all 8 authors...
At MRI of the myocardium, only a small subset of radiomic features were reproducible, and these reproducible radiomic features varied among different sequences.
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#1Shiro NakamoriH-Index: 12
#2Ulf NeisiusH-Index: 8
Last. Reza NezafatH-Index: 31
view all 8 authors...
Current guidelines for the diagnosis of cardiac sarcoidosis (CS) include late gadolinium enhancement (LGE) cardiac magnetic resonance (CMR), which provides the excellent negative predictive value for ruling out future cardiac events ([1][1],[2][2]). However, early diagnosis of CS remains clinically
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#1Selcuk Kucukseymen (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 1
#2Ulf Neisius (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 8
Last. Reza Nezafat (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 31
view all 5 authors...
In patients with heart failure with preserved ejection fraction (HFpEF), diabetes mellitus (DM) and obesity are important comorbidities as well as major risk factors. Their conjoint impact on the myocardium provides insight into the HFpEF aetiology. We sought to investigate the association between obesity, DM, and their combined effect on alterations in the myocardial tissue in HFpEF patients. One hundred and sixty-two HFpEF patients (55 ± 12 years, 95 men) and 45 healthy subjects (53 ± 12 years...
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#1Hossam El-Rewaidy (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 5
#2Ulf Neisius (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 8
Last. Reza Nezafat (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 31
view all 7 authors...
BACKGROUND The pattern of myocardial fibrosis differs significantly between different cardiomyopathies. Fibrosis in hypertrophic cardiomyopathy (HCM) is characteristically as patchy and regional but in dilated cardiomyopathy (DCM) as diffuse and global. We sought to investigate if texture analyses on myocardial native T1 mapping can differentiate between fibrosis patterns in patients with HCM and DCM. METHODS We prospectively acquired native myocardial T1 mapping images for 321 subjects (55±15 y...
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#1Reza Nezafat (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 31
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#1Joshua D. Robinson (NU: Northwestern University)H-Index: 11
#2Reza Nezafat (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 31
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#1Gabriella Captur (UCL: University College London)H-Index: 18
#1Gabriella Captur (Royal Free Hospital)H-Index: 2
Last. Lewis Ricketts (UCL: University College London)H-Index: 1
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BACKGROUND: The T1 Mapping and Extracellular volume (ECV) Standardization (T1MES) program explored T1 mapping quality assurance using a purpose-developed phantom with Food and Drug Administration (FDA) and Conformite Europeenne (CE) regulatory clearance. We report T1 measurement repeatability across centers describing sequence, magnet, and vendor performance. METHODS: Phantoms batch-manufactured in August 2015 underwent 2 years of structural imaging, B0 and B1, and "reference" slow T1 testing. T...
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#1Hossam El-Rewaidy (TUM: Technische Universität München)H-Index: 5
#2Ulf Neisius (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 8
Last. Reza Nezafat (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 31
view all 8 authors...
Several deep-learning models have been proposed to shorten MRI scan time. Prior deep-learning models that utilize real-valued kernels have limited capability to learn rich representations of complex MRI data. In this work, we utilize a complex-valued convolutional network (CNet) for fast reconstruction of highly under-sampled MRI data and evaluate its ability to rapidly reconstruct 3D late gadolinium enhancement (LGE) data. CNet preserves the complex nature and optimal combination of real and im...
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#1Ibolya CsecsH-Index: 2
#1Ibolya Csecs (Harvard University)
Last. Reza NezafatH-Index: 31
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Non-ischemic idiopathic dilated cardiomyopathy (DCM) patients with scar on Late Gadolinium Enhancement (LGE) cardiac MR (CMR) are at higher risk of developing VT or VF. However, many patients with no scar on LGE still experience VT/VF. CMR feature tracking (CMR-FT) allows quantification of mechanics
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#1Selcuk Kucukseymen (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 1
Last. Reza Nezafat (BIDMC: Beth Israel Deaconess Medical Center)H-Index: 31
view all 10 authors...
Over the past decade, there have been tremendous advances in electroanatomical mapping (EAM) technologies, including introduction of multielectrode catheters for high-resolution mapping of scar. While EAM may not be suitable for detecting mid-wall scar, it has been assumed that these are capable. We
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