Search Results - "Mata, Jaime F."
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Simultaneous magnetic resonance imaging of ventilation distribution and gas uptake in the human lung using hyperpolarized xenon-129
Published in Proceedings of the National Academy of Sciences - PNAS (14-12-2010)“…Despite a myriad of technical advances in medical imaging, as well as the growing need to address the global impact of pulmonary diseases, such as asthma and…”
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Highly accelerated dynamic acquisition of 3D grid-tagged hyperpolarized-gas lung images using compressed sensing
Published in Magnetic resonance in medicine (01-06-2023)“…To develop and test compressed sensing-based multiframe 3D MRI of grid-tagged hyperpolarized gas in the lung. Applying grid-tagging RF pulses to inhaled…”
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Image‐ versus histogram‐based considerations in semantic segmentation of pulmonary hyperpolarized gas images
Published in Magnetic resonance in medicine (01-11-2021)“…Purpose To characterize the differences between histogram‐based and image‐based algorithms for segmentation of hyperpolarized gas lung images. Methods Four…”
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Detecting pulmonary capillary blood pulsations using hyperpolarized xenon-129 chemical shift saturation recovery (CSSR) MR spectroscopy
Published in Magnetic resonance in medicine (01-04-2016)“…Purpose To investigate whether chemical shift saturation recovery (CSSR) MR spectroscopy with hyperpolarized xenon‐129 is sensitive to the pulsatile nature of…”
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Hyperpolarized Xenon-129: A New Tool to Assess Pulmonary Physiology in Patients with Pulmonary Fibrosis
Published in Biomedicines (25-05-2023)“…The existing tools to quantify lung function in interstitial lung diseases have significant limitations. Lung MRI imaging using inhaled hyperpolarized…”
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Assessment of lung function in asthma and COPD using hyperpolarized 129Xe chemical shift saturation recovery spectroscopy and dissolved-phase MRI
Published in NMR in biomedicine (01-12-2014)“…Magnetic‐resonance spectroscopy and imaging using hyperpolarized xenon‐129 show great potential for evaluation of the most important function of the human lung…”
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Regional mapping of gas uptake by blood and tissue in the human lung using hyperpolarized xenon-129 MRI
Published in Journal of magnetic resonance imaging (01-02-2014)“…Purpose To develop a breathhold acquisition for regional mapping of ventilation and the fractions of hyperpolarized xenon‐129 (Xe129) dissolved in tissue (lung…”
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Convolutional Neural Networks with Template-Based Data Augmentation for Functional Lung Image Quantification
Published in Academic radiology (01-03-2019)“…We propose an automated segmentation pipeline based on deep learning for proton lung MRI segmentation and ventilation-based quantification which improves on…”
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A Rabbit Irradiation Platform for Outcome Assessment of Lung Stereotactic Radiosurgery
Published in International journal of radiation oncology, biology, physics (01-04-2009)“…Purpose To evaluate a helical tomotherapy–based rodent radiosurgery platform that reproduces human image-guided radiosurgery treatment to study radiobiologic…”
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Emphysema Index Based on Hyperpolarized 3He or 129Xe Diffusion MRI: Performance and Comparison with Quantitative CT and Pulmonary Function Tests
Published in Radiology (01-10-2020)“…Background Apparent diffusion coefficient (ADC) maps of inhaled hyperpolarized gases have shown promise in the characterization of emphysema in patients with…”
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Emphysema Index Based on Hyperpolarized 3 He or 129 Xe Diffusion MRI: Performance and Comparison with Quantitative CT and Pulmonary Function Tests
Published in Radiology (01-10-2020)“…Background Apparent diffusion coefficient (ADC) maps of inhaled hyperpolarized gases have shown promise in the characterization of emphysema in patients with…”
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Helium-3 Diffusion MR Imaging of the Human Lung Over Multiple Time Scales
Published in Academic radiology (01-06-2008)“…Rationale and Objectives Diffusion magnetic resonance imaging (MRI) with hyperpolarized3 He gas is a powerful technique for probing the characteristics of the…”
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Protocols for multi‐site trials using hyperpolarized 129Xe MRI for imaging of ventilation, alveolar‐airspace size, and gas exchange: A position paper from the 129Xe MRI clinical trials consortium
Published in Magnetic resonance in medicine (01-12-2021)“…Hyperpolarized (HP) 129Xe MRI uniquely images pulmonary ventilation, gas exchange, and terminal airway morphology rapidly and safely, providing novel…”
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Protocols for multi-site trials using hyperpolarized 129 Xe MRI for imaging of ventilation, alveolar-airspace size, and gas exchange: A position paper from the 129 Xe MRI clinical trials consortium
Published in Magnetic resonance in medicine (01-12-2021)“…Hyperpolarized (HP) Xe MRI uniquely images pulmonary ventilation, gas exchange, and terminal airway morphology rapidly and safely, providing novel information…”
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Hyperpolarized Xenon-129 gas-exchange imaging of lung microstructure: First case studies in subjects with obstructive lung disease
Published in Journal of magnetic resonance imaging (01-05-2011)“…Purpose: To develop and test a method to noninvasively assess the functional lung microstructure. Materials and Methods: The Multiple exchange time Xenon…”
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MR diagnosis of a pulmonary embolism: comparison of P792 and Gd-DOTA for first-pass perfusion MRI and contrast-enhanced 3D MRA in a rabbit model
Published in Korean journal of radiology (01-09-2009)“…To compare P792 (gadomelitol, a rapid clearance blood pool MR contrast agent) with gadolinium-tetraazacyclododecanetetraacetic acid (Gd-DOTA), a standard…”
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Signal‐to‐noise ratio, T2, and T2 for hyperpolarized helium‐3 MRI of the human lung at three magnetic field strengths
Published in Magnetic resonance in medicine (01-10-2017)“…Purpose To evaluate T2, T2*, and signal‐to‐noise ratio (SNR) for hyperpolarized helium‐3 (3He) MRI of the human lung at three magnetic field strengths ranging…”
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A hybrid proton and hyperpolarized gas tagging MRI technique for lung respiratory motion imaging: a feasibility study
Published in Physics in medicine & biology (16-05-2019)“…The aim of this work was to develop a novel hybrid 3D hyperpolarized (HP) gas tagging MRI (t-MRI) technique and to evaluate it for lung respiratory motion…”
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An initial investigation of hyperpolarized gas tagging magnetic resonance imaging in evaluating deformable image registration‐based lung ventilation
Published in Medical physics (Lancaster) (01-12-2018)“…Background Deformable image registration (DIR)‐based lung ventilation mapping is attractive due to its simplicity, and also challenging due to its…”
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