Andres Saucedo
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View article: Association of Intracellular Microstructural and Neuropsychological Changes in HIV: A Pilot Validation of Trace Diffusion-Weighted Magnetic Resonance Spectroscopic Imaging Using Radial Trajectories
Association of Intracellular Microstructural and Neuropsychological Changes in HIV: A Pilot Validation of Trace Diffusion-Weighted Magnetic Resonance Spectroscopic Imaging Using Radial Trajectories Open
Background: Despite effective antiretroviral therapy, HIV-associated neurocognitive disorders (HANDs) remain prevalent, highlighting the need for sensitive biomarkers of early brain alterations. Trace-weighted diffusion spectroscopic imagi…
View article: Association of Intracellular Microstructural and Neuro-Psychological Changes in HIV: A Pilot Validation of Trace Diffusion-Weighted Magnetic Resonance Spectroscopic Imaging Using Radial Trajectories
Association of Intracellular Microstructural and Neuro-Psychological Changes in HIV: A Pilot Validation of Trace Diffusion-Weighted Magnetic Resonance Spectroscopic Imaging Using Radial Trajectories Open
Despite effective antiretroviral therapy, HIV-associated neurocognitive disorders (HAND) remain prevalent, highlighting the need for sensitive biomarkers of early brain alterations. Trace-weighted diffusion spectroscopic imaging offers a n…
View article: Lipid Deposition in Skeletal Muscle Tissues and Its Correlation with Intra-Abdominal Fat: A Pilot Investigation in Type 2 Diabetes Mellitus
Lipid Deposition in Skeletal Muscle Tissues and Its Correlation with Intra-Abdominal Fat: A Pilot Investigation in Type 2 Diabetes Mellitus Open
Background/Objectives: This study evaluated metabolites and lipid composition in the calf muscles of Type 2 diabetes mellitus (T2DM) patients and age-matched healthy controls using multi-dimensional MR spectroscopic imaging. We also explor…
View article: Lipid Deposition in Skeletal Muscle Tissues and Its Correlation with Intra-abdominal Fat: A Pilot Investigation in Type 2 Diabetes Mellitus
Lipid Deposition in Skeletal Muscle Tissues and Its Correlation with Intra-abdominal Fat: A Pilot Investigation in Type 2 Diabetes Mellitus Open
This study evaluated metabolites and lipid composition in the calf muscles of Type 2 Diabetes Mellitus (T2DM) patients and age-matched healthy controls using multi-dimensional MR Spectroscopic Imaging. We also explored the association betw…
View article: Single‐shot diffusion trace‐weighted MR spectroscopy: Comparison with unipolar and bipolar diffusion‐weighted point‐resolved spectroscopy
Single‐shot diffusion trace‐weighted MR spectroscopy: Comparison with unipolar and bipolar diffusion‐weighted point‐resolved spectroscopy Open
This study demonstrates the feasibility and performance of the point‐resolved spectroscopy (PRESS)‐based, single‐shot diffusion trace‐weighted sequence in quantifying the trace apparent diffusion coefficient (ADC) in phantom and in vivo us…
View article: Ensemble Learning for Breast Cancer Lesion Classification: A Pilot Validation Using Correlated Spectroscopic Imaging and Diffusion-Weighted Imaging
Ensemble Learning for Breast Cancer Lesion Classification: A Pilot Validation Using Correlated Spectroscopic Imaging and Diffusion-Weighted Imaging Open
The main objective of this work was to evaluate the application of individual and ensemble machine learning models to classify malignant and benign breast masses using features from two-dimensional (2D) correlated spectroscopy spectra extr…
View article: Ensemble Learning for Breast Cancer Lesion Classification: A Pilot Validation using Correlated Spectroscopic Imaging and Diffusion-Weighted Imaging
Ensemble Learning for Breast Cancer Lesion Classification: A Pilot Validation using Correlated Spectroscopic Imaging and Diffusion-Weighted Imaging Open
The main objective of this work was to evaluate the application of individual and ensemble machine learning models to classify malignant and benign breast masses using features from two-dimensional (2D) correlated spectroscopy spectra extr…
View article: Alterations of gray and white matter volumes and cortical thickness in treated HIV-positive patients
Alterations of gray and white matter volumes and cortical thickness in treated HIV-positive patients Open
Brain structural changes in HIV identified by voxel-based morphometry (VBM) alone could arise from a variety of causes that are difficult to distinguish without further information, such as cortical thickness (CT), gyrification index (GI) …
View article: Correlated MR spectroscopic imaging of breast cancer to investigate metabolites and lipids: acceleration and compressed sensing reconstruction
Correlated MR spectroscopic imaging of breast cancer to investigate metabolites and lipids: acceleration and compressed sensing reconstruction Open
Objectives: The main objective of this work was to detect novel biomarkers in breast cancer by spreading the MR spectra over two dimensions in multiple spatial locations using an accelerated 5D EP-COSI technology. Methods: The 5D EP-COSI d…
View article: Dictionary learning compressed sensing reconstruction: pilot validation of accelerated echo planar J-resolved spectroscopic imaging in prostate cancer
Dictionary learning compressed sensing reconstruction: pilot validation of accelerated echo planar J-resolved spectroscopic imaging in prostate cancer Open
Objectives This study aimed at developing dictionary learning (DL) based compressed sensing (CS) reconstruction for randomly undersampled five-dimensional (5D) MR Spectroscopic Imaging (3D spatial + 2D spectral) data acquired in prostate c…
View article: 0089 Feasibility of Rapid Measurement of Brain Metabolites in Obstructive Sleep Apnea
0089 Feasibility of Rapid Measurement of Brain Metabolites in Obstructive Sleep Apnea Open
Introduction Obstructive Sleep Apnea (OSA) affects over 15% of the adult population and is associated with brain dysfunction. Although the dysfunction is well-identified and presents brain morphological changes as shown with structural ima…
View article: Accelerated radial echo‐planar spectroscopic imaging using golden angle view‐ordering and compressed‐sensing reconstruction with total variation regularization
Accelerated radial echo‐planar spectroscopic imaging using golden angle view‐ordering and compressed‐sensing reconstruction with total variation regularization Open
Purpose To implement a novel, accelerated, 2D radial echo‐planar spectroscopic imaging (REPSI) sequence using undersampled radial k‐space trajectories and compressed‐sensing reconstruction, and to compare results with those from an undersa…