Anthony E. Samir
YOU?
Author Swipe
View article: Liver shear wave elastography using a mechanical index exceeding regulatory limits is safe and effective
Liver shear wave elastography using a mechanical index exceeding regulatory limits is safe and effective Open
Background Metabolic dysfunction-associated steatotic liver disease affects 1 in 3 people worldwide. Ultrasound shear wave elastography (SWE) in obese patients, the target population for testing, is hampered by beam attenuation, leading to…
View article: Wavefield Correlation Imaging in Arbitrary Media with Inherent Aberration Correction
Wavefield Correlation Imaging in Arbitrary Media with Inherent Aberration Correction Open
Ultrasound (US) imaging is an indispensable tool for diagnostic imaging, particularly given its cost, safety, and portability profiles compared to other modalities. However, US is challenged in subjects with morphological heterogeneity (e.…
View article: Increased Mechanical Index Improves Shear Wave Elastography: Pilot Study of Signal Enhancement
Increased Mechanical Index Improves Shear Wave Elastography: Pilot Study of Signal Enhancement Open
These results suggest that increasing the push pulse MI to 2.5 improves the diagnostic utility of SWE, particularly for individuals with a higher BMI, without introducing significant additional risk. This approach could further enhance SWE…
View article: Foundation Model of Electronic Medical Records for Adaptive Risk Estimation
Foundation Model of Electronic Medical Records for Adaptive Risk Estimation Open
Hospitals struggle to predict critical outcomes. Traditional early warning systems, like NEWS and MEWS, rely on static variables and fixed thresholds, limiting their adaptability, accuracy, and personalization. We previously developed the …
View article: Foundation model of electronic medical records for adaptive risk estimation
Foundation model of electronic medical records for adaptive risk estimation Open
Background Hospitals struggle to predict critical outcomes. Traditional early warning systems, like NEWS and MEWS, rely on static variables and fixed thresholds, limiting their adaptability, accuracy, and personalization. Methods We previo…
View article: Lasting liver injury following COVID-19 infection characterized by ultrasound shear wave elastography
Lasting liver injury following COVID-19 infection characterized by ultrasound shear wave elastography Open
Objective: To assess for lasting hepatic injury using ultrasound shear wave elastography (SWE) in patients following COVID-19 infection. Methods: In this retrospective cohort study, patients with SWE exams between January 2019 and 2022 wer…
View article: Body habitus vs. hepatic steatosis: Understanding the drivers of non-diagnostic shear wave elastography
Body habitus vs. hepatic steatosis: Understanding the drivers of non-diagnostic shear wave elastography Open
Purpose: Shear Wave Elastography (SWE) is frequently non-diagnostic in obese patients, a key cohort at risk for liver disease. Subcutaneous fat and hepatic steatosis are suspected drivers, but their relative contribution is unknown. We com…
View article: Zero shot health trajectory prediction using transformer
Zero shot health trajectory prediction using transformer Open
Integrating modern machine learning and clinical decision-making has great promise for mitigating healthcare's increasing cost and complexity. We introduce the Enhanced Transformer for Health Outcome Simulation (ETHOS), a novel application…
View article: Zero Shot Health Trajectory Prediction Using Transformer
Zero Shot Health Trajectory Prediction Using Transformer Open
Integrating modern machine learning and clinical decision-making has great promise for mitigating healthcare's increasing cost and complexity. We introduce the Enhanced Transformer for Health Outcome Simulation (ETHOS), a novel application…
View article: ULTRA-SR Challenge: Assessment of Ultrasound Localization and TRacking Algorithms for Super-Resolution Imaging
ULTRA-SR Challenge: Assessment of Ultrasound Localization and TRacking Algorithms for Super-Resolution Imaging Open
With the widespread interest and uptake of super-resolution ultrasound (SRUS) through localization and tracking of microbubbles, also known as ultrasound localization microscopy (ULM), many localization and tracking algorithms have been de…
View article: Gamified Crowdsourcing as a Novel Approach to Lung Ultrasound Data Set Labeling: Prospective Analysis
Gamified Crowdsourcing as a Novel Approach to Lung Ultrasound Data Set Labeling: Prospective Analysis Open
Background Machine learning (ML) models can yield faster and more accurate medical diagnoses; however, developing ML models is limited by a lack of high-quality labeled training data. Crowdsourced labeling is a potential solution but can b…
View article: Diagnostic Anatomic Imaging for Neuroendocrine Neoplasms: Maximizing Strengths and Mitigating Weaknesses
Diagnostic Anatomic Imaging for Neuroendocrine Neoplasms: Maximizing Strengths and Mitigating Weaknesses Open
Neuroendocrine neoplasms are a heterogeneous group of gastrointestinal and lung tumors. Their diverse clinical manifestations, variable locations, and heterogeneity present notable diagnostic challenges. This article delves into the imagin…
View article: Zero Shot Health Trajectory Prediction Using Transformer
Zero Shot Health Trajectory Prediction Using Transformer Open
Integrating modern machine learning and clinical decision-making has great promise for mitigating healthcare’s increasing cost and complexity. We introduce the Enhanced Transformer for Health Outcome Simulation (ETHOS), a novel application…
View article: Microbubble Contrast Agents Improve Detection of Active Hemorrhage
Microbubble Contrast Agents Improve Detection of Active Hemorrhage Open
Assessment of trauma-induced hemorrhage with ultrasound is particularly challenging outside of the clinic, where its detection is crucial. The current clinical standard for hematoma detection - the focused assessment with sonography of tra…
View article: The Future Is Beyond Bright: The Evolving Role of Quantitative US for Fatty Liver Disease
The Future Is Beyond Bright: The Evolving Role of Quantitative US for Fatty Liver Disease Open
Nonalcoholic fatty liver disease (NAFLD) is a common cause of morbidity and mortality. Nonfocal liver biopsy is the historical reference standard for evaluating NAFLD, but it is limited by invasiveness, high cost, and sampling error. Imagi…
View article: Acoustic diffraction–resistant adaptive profile technology (ADAPT) for elasticity imaging
Acoustic diffraction–resistant adaptive profile technology (ADAPT) for elasticity imaging Open
Acoustic beam shaping with high degrees of freedom is critical for applications such as ultrasound imaging, acoustic manipulation, and stimulation. However, the ability to fully control the acoustic pressure profile over its propagation pa…
View article: Repeatability of MRI Biomarkers in Nonalcoholic Fatty Liver Disease: The NIMBLE Consortium
Repeatability of MRI Biomarkers in Nonalcoholic Fatty Liver Disease: The NIMBLE Consortium Open
Background There is a need for reliable noninvasive methods for diagnosing and monitoring nonalcoholic fatty liver disease (NAFLD). Thus, the multidisciplinary Non-invasive Biomarkers of Metabolic Liver disease (NIMBLE) consortium was form…
View article: Memory-efficient low-compute segmentation algorithms for bladder-monitoring smart ultrasound devices
Memory-efficient low-compute segmentation algorithms for bladder-monitoring smart ultrasound devices Open
Post-operative urinary retention is a medical condition where patients cannot urinate despite having a full bladder. Ultrasound imaging of the bladder is used to estimate urine volume for early diagnosis and management of urine retention. …
View article: Gamified Crowdsourcing as a Novel Approach to Lung Ultrasound Data Set Labeling: Prospective Analysis (Preprint)
Gamified Crowdsourcing as a Novel Approach to Lung Ultrasound Data Set Labeling: Prospective Analysis (Preprint) Open
BACKGROUND Machine learning (ML) models can yield faster and more accurate medical diagnoses; however, developing ML models is limited by a lack of high-quality labeled training data. Crowdsourced labeling is a potential solution but can …
View article: Individualized Ultrasound-Guided Intervention Phantom Development, Fabrication, and Proof of Concept*
Individualized Ultrasound-Guided Intervention Phantom Development, Fabrication, and Proof of Concept* Open
Commercial ultrasound vascular phantoms lack the anatomic diversity required for robust pre-clinical interventional device testing. We fabricated individualized phantoms to test an artificial intelligence enabled ultrasound-guided surgical…
View article: Liver Segmentation in Ultrasound Images Using Self-Supervised Learning with Physics-inspired Augmentation and Global-Local Refinement
Liver Segmentation in Ultrasound Images Using Self-Supervised Learning with Physics-inspired Augmentation and Global-Local Refinement Open
Shear Wave Elastography (SWE) is a non-invasive ultrasound method that evaluates changes in liver stiffness, serving as a useful biomarker for liver fibrosis. The proper placement of a region of interest (ROI) on the liver in the B-mode im…
View article: Memory-efficient low-compute segmentation algorithms for edge ultrasound devices: continuous bladder monitoring
Memory-efficient low-compute segmentation algorithms for edge ultrasound devices: continuous bladder monitoring Open
Post-operative urinary retention is a medical condition where patients cannot urinate despite having a full bladder. Ultrasound imaging of the bladder is intermittently used to estimate urine volume for early diagnosis and management of ur…
View article: The Ultra fit community mask—Toward maximal respiratory protection via personalized face fit
The Ultra fit community mask—Toward maximal respiratory protection via personalized face fit Open
Effective masking policies to prevent the spread of airborne infections depend on public access to masks with high filtration efficacy. However, poor face-fit is almost universally present in pleated multilayer disposable face masks, sever…
View article: Efficient Aberration Correction via Optimal Bulk Speed of Sound Compensation
Efficient Aberration Correction via Optimal Bulk Speed of Sound Compensation Open
Diagnostic ultrasound is a versatile and practical tool in the abdomen, and is particularly vital toward the detection and mitigation of early-stage non-alcoholic fatty liver disease (NAFLD). However, its performance in those with obesity …
View article: The Nimble Stage 1 Study Validates Diagnostic Circulating Biomarkers for Nonalcoholic Steatohepatitis
The Nimble Stage 1 Study Validates Diagnostic Circulating Biomarkers for Nonalcoholic Steatohepatitis Open
Background There are no approved noninvasive tests (NIT) for the diagnosis of nonalcoholic steatohepatitis (NASH) and its histological phenotypes. Methods The FNIH-NIMBLE consortium tested 5 serum-based NIT panels for the following intende…