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  1. 2501
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    Quantification of vendor-specific relationships between fast gradient echo and steady-state free precession cine MRI for determination of myocardial mass and volumes
  2. 2502
    “…Combining multiple echoes reduced the peak RMSE by 45% and visually reduced measurement-to-measurement instabilities. …”
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    Assessment of radio-frequency heating of a parallel transmit coil in a phantom using multi-echo proton resonance frequency shift thermometry
  3. 2503
    “…A total of 2856 subjects aged 0 to 96 years were studied by echo-color Doppler (ECD). Morphology and anatomical anomalies of the EICA were assessed. …”
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    Prevalence and morphological changes of carotid kinking and coiling in growth: an echo-color Doppler study of 2856 subjects between aged 0 to 96 years
  4. 2504
    “…AIM: To evaluate the lung function of coronavirus disease 2019 (COVID-19) patients using oxygen-enhanced (OE) ultrashort echo time (UTE) MRI. MATERIALS AND METHODS: Forty-nine patients with COVID-19 were included in the study. …”
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    Evaluation of pulmonary ventilation in COVID-19 patients using oxygen-enhanced three-dimensional ultrashort echo time MRI: a preliminary study
  5. 2505
    “…To accelerate high-resolution diffusion-weighted imaging with a multi-shot echo-planar sequence, we propose an approach based on reduced averaging and deep learning. …”
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    Accelerated Acquisition of High-resolution Diffusion-weighted Imaging of the Brain with a Multi-shot Echo-planar Sequence: Deep-learning-based Denoising
  6. 2506
    “…CONCLUSION: R2* derived from multi-echo Dixon imaging whether by 2D-ROI or VOI can aid in differentiation between benign and malignant FLLs.…”
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    R2* value derived from multi-echo Dixon technique can aid discrimination between benign and malignant focal liver lesions
  7. 2507
    “…OBJECTIVES: To investigate the accuracy of Diffusion Weighted Imaging (DWI) using the Readout Segmentation of Long Variable Echo-trains (RESOLVE) sequence in detecting lumbosacral nerve abnormalities. …”
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    Identifying lumbosacral plexus nerve root abnormalities in patients with sciatica using 3T readout-segmented echo-planar diffusion weighted MR neurography
  8. 2508
    “…These adaptations may improve the efficacy of Project ECHO and others using virtual learning programs in resource-limited settings.…”
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    Using Virtual Learning to Build Pediatric Palliative Care Capacity in South Asia: Experiences of Implementing a Teleteaching and Mentorship Program (Project ECHO)
  9. 2509
    por Guo, J., Yang, J., Muzumdar, J., Park, T.
    Publicado 2021
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    PIN56 Content Analysis of FDA Warning Letters for Fraudulent COVID-19 Claims Using the Economic, Clinical, Humanistic Outcomes (ECHO) MODEL
  10. 2510
    “…Objectives: To develop, implement, and evaluate the Project ECHO model within the pediatric palliative care (PPC) context. …”
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    Pediatric Project ECHO(®): A Virtual Community of Practice to Improve Palliative Care Knowledge and Self-Efficacy among Interprofessional Health Care Providers
  11. 2511
    “…Simulations and measurements were performed to investigate the echo planar imaging echo‐spacing reduction due to the improved gradient performance. …”
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    A plug‐and‐play, lightweight, single‐axis gradient insert design for increasing spatiotemporal resolution in echo planar imaging‐based brain imaging
  12. 2512
    “…PURPOSE: To monitor the complete passage of the labeled blood through the vascular tree into tissue and improve the quantification of ASL maps, we evaluated the effect of 3D gradient and spin‐echo (GRASE) readout segments on temporal SNR (tSNR) and image blurriness for time‐encoded pseudo‐continuous arterial spin labeling and the effect of flow‐compensation gradients on the presence of intravascular signal. …”
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    Three‐dimensional gradient and spin‐echo readout for time‐encoded pseudo‐continuous arterial spin labeling: Influence of segmentation factor and flow compensation
  13. 2513
    “…Time-of-flight magnetic resonance angiography (TOF-MRA) is a non-invasive and fast modality, but clip-induced artifacts limit the signal near the metal clip. Recent ultrashort echo time (UTE)-MRA reduces metal artifacts but its availability is still low worldwide. …”
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    1.5 Tesla Non-ultrashort but Short Echo Time Magnetic Resonance Angiography Describes the Arteries Near a Clipped Cerebral Aneurysm
  14. 2514
    “…OBJECTIVE: By using magnetization-prepared 2 rapid acquisition gradient echoes (MP2RAGE) on a 3-T MRI system, we provide R1 values and myelination rates for infants and young children. …”
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    Assessment of myelination in infants and young children by T1 relaxation time measurements using the magnetization-prepared 2 rapid acquisition gradient echoes sequence
  15. 2515
    “…The well-known MP2RAGE (magnetization prepared two rapid acquisition gradient echoes) sequence provides a solution but may not be readily available for all MR systems. …”
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    Radiofrequency Bias Correction of Magnetization Prepared Rapid Gradient Echo MRI at 7.0 Tesla Using an External Reference in a Sequential Protocol
  16. 2516
    “…Here, we introduce a method for simultaneous recording of pharmacological perturbation of brain perfusion and BCSFB function using interleaved echo-time ASL, applied to the anesthetized mouse brain. …”
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    Pharmacological MRI with Simultaneous Measurement of Cerebral Perfusion and Blood-Cerebrospinal Fluid Barrier Function using Interleaved Echo-Time Arterial Spin Labelling
  17. 2517
    “…To prevent viral diffusion, bicaval double-lumen cannulation was performed percutaneously at the bedside under exclusive echo guidance. Because of pneumomediastinum, pneumothorax, and subcutaneous emphysema, ultrasound visualization of the heart was possible only with transesophageal echo. …”
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    COVID-19 Pneumomediastinum: Possible Role of Transesophageal Echo in Bedside Percutaneous Bicaval Double-Lumen ECMO Cannulation in Children. A Case Report
  18. 2518
    “…We describe here a single‐shot multi spin echo sequence, which improves on previously reported sequences, with a shorter readout time, isotropic point spread function (PSF), and better signal‐to‐noise ratio. …”
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    A multi spin echo pulse sequence with optimized excitation pulses and a 3D cone readout for hyperpolarized (13)C imaging
  19. 2519
    “…PURPOSE: The aim of the study was to analyse the value of 2 different diffusion-weighted imaging (DWI) techniques (echo-planar imaging [EPI] and on-echo-planar imaging [non-EPI]) in the diagnosis of cholesteatoma. …”
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    The value of different diffusion-weighted magnetic resonance techniques in the diagnosis of middle ear cholesteatoma. Is there still an indication for echo-planar diffusion-weighted imaging?
  20. 2520
    “…OBJECTIVE: To apply a recently developed quantitative Gradient Recalled Echo (qGRE) MRI technique for in vivo evaluation of neuronal loss in human hippocampus. …”
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    Quantitative Gradient Echo MRI Identifies Dark Matter as a New Imaging Biomarker of Neurodegeneration that Precedes Tissue Atrophy in Early Alzheimer’s Disease
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