193 results match your criteria: "H. Milton Stewart School of Industrial and Systems Engineering[Affiliation]"

Background: Evaluating access to psychosocial services can inform policy decision-making on ways to address shortages in the availability of mental health (MH)-specialized providers. The objective of the study was to assess how the mental health (MH)-specialized workforce met the demand for psychosocial services of Medicaid-insured children in Georgia, with direct relevance in establishing quantitative network adequacy.

Methods: We used the 2018 Medicaid (TAF) claims data, the 2018 National Plan and Provider Enumeration System database, and the 2019 Georgia school-based program data to estimate community-level demand and practice-level supply of psychosocial services.

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A comprehensive analysis of serotype-specific invasive capacity, clinical presentations, and mortality trends of invasive pneumococcal disease.

Vaccine

January 2025

Department of Pediatrics, Section of Infectious Diseases and Global Health, Yale University School of Medicine, New Haven, CT, United States; Department of Epidemiology of Microbial Diseases, Yale School of Public Health, New Haven, CT, United States; Yale Institute for Global Health, Yale University, New Haven, CT, United States; Yale Center for Infection and Immunity, Yale University, New Haven, CT, United States. Electronic address:

Background: Pneumococcal conjugate vaccines (PCV) reduced invasive disease, but the overall prevalence of pneumococcal nasopharyngeal colonization among children has not changed significantly. Our knowledge of which serotypes, once colonized, hold a higher likelihood to cause invasive disease is limited.

Methods: Serotype-specific invasive capacity (IC) of Streptococcus pneumoniae was estimated using an enhanced population-based invasive pneumococcal disease (IPD) surveillance in children <7 years of age in Massachusetts and surveillance of nasopharyngeal (NP) colonization in selected Massachusetts communities in corresponding respiratory seasons.

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Background: Although preseason baseline testing is a commonly recommended part of the concussion management process, its "value-added" contribution to the diagnosis of acute concussion compared with normative reference values remains in question.

Purpose: This research aimed to evaluate the diagnostic benefits of baseline testing in acute concussion assessment compared with normative reference values and characterize the athletes who receive the most diagnostic utility from baseline testing.

Study Design: Cohort study (Diagnosis); Level of evidence, 2.

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Autoimmune side-effect of immunotherapy in lung cancer treatment revealed from large-scale cohort.

medRxiv

December 2024

H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, 755 Ferst Dr NW, Atlanta, 30318, Georgia, USA.

Article Synopsis
  • Immune checkpoint inhibitors improve survival rates in lung cancer patients but come with a higher risk of immune-related adverse effects (irAEs) compared to chemotherapy.
  • A study analyzed data from over 100,000 patients to compare the autoimmune-related risks associated with these treatments, finding irAEs significantly more common with immunotherapy.
  • The research highlights the need to monitor and understand the side effects of immune checkpoint inhibitors, suggesting that these evaluation methods could also be applied to other new therapies in larger populations.
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This study estimates temporal trajectories and sociodemographic disparities in underage adolescent binge drinking in the United States over the past four decades. By compiling 47 waves of national representative data from the Monitoring the Future (MTF) study between 1976 and 2022, we analyzed two types of adolescent binge drinking behaviors, past-two-week excessive drinking and drunkenness in the past 30 days, using the innovative modified Poisson (mixture) approach to grouped and right-censored counts (GRC). The overall decrease in incidence rates was attributable to substantial reductions in the risks of excessive drinking (45.

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Background: Classic teaching in neurocritical care is to avoid jugular access for central venous catheterization (CVC) because of a presumed risk of increasing intracranial pressure (ICP). Limited data exist to test this hypothesis. Aneurysmal subarachnoid hemorrhage (aSAH) leads to diffuse cerebral edema and often requires external ventricular drains (EVDs), which provide direct ICP measurements.

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Background: Increasing childhood vaccination, family planning, healthcare access, and women's empowerment are targets of the Sustainable Development Goals (SDG). Barriers to healthcare access impede vaccination; tackling goals holistically could create larger gains than siloed efforts. We studied Nepal, Senegal, and Zambia to test the association between childhood vaccinations and other SDG indicators to identify clustered deprivations.

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Adherence to Guidelines and Federal Psychotropic Medication Labels for the Treatment of Medicaid-Insured Children With ADHD.

Psychiatr Serv

November 2024

H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta (Kim, Keskinocak, Serban); Department of Psychiatry, University of Florida College of Medicine-Jacksonville, Jacksonville (Cuffe); Department of Psychiatry, University of Illinois Chicago College of Medicine, Chicago (Naylor).

Objective: This study examined adherence to clinical practice guidelines (CPGs) and U.S. Food and Drug Administration (FDA) medication labels when prescribing psychotropic medications to Medicaid-insured children with attention-deficit hyperactivity disorder (ADHD).

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Intratumoral heterogeneity poses a significant challenge to the diagnosis and treatment of recurrent glioblastoma. This study addresses the need for non-invasive approaches to map heterogeneous landscape of histopathological alterations throughout the entire lesion for each patient. We developed BioNet, a biologically-informed neural network, to predict regional distributions of two primary tissue-specific gene modules: proliferating tumor (Pro) and reactive/inflammatory cells (Inf).

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Understanding the failure mechanisms of lithium-ion batteries is essential for their greater adoption in diverse formats. Operando X-ray and electron microscopy enable the evaluation of concentration, phase, and stress heterogeneities in electrode architectures. Phase-field models are commonly used to capture multi-physics coupling including the interplay between electrochemistry and mechanics.

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Purpose: Cancers are a growing cause of mortality especially in low- and middle-income countries in Africa. Rwanda is no exception. Two cancer centers currently provide care to the public, but there are both political and human interest in expanding access to tertiary cancer care.

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XDL-ESI: Electrophysiological Sources Imaging via explainable deep learning framework with validation on simultaneous EEG and iEEG.

Neuroimage

October 2024

Department of Systems and Enterprises, Stevens Institute of Technology, Hoboken, NJ, 07030, United States; Semcer Center for Healthcare Innovation, Stevens Institute of Technology, Hoboken, NJ, 07030, United States. Electronic address:

Article Synopsis
  • Electroencephalography (EEG) and Magnetoencephalography (MEG) source imaging aims to reveal the brain's active sources from recordings, but solving this inverse problem is difficult due to its complex nature.
  • The paper introduces a new method called XDL-ESI, which combines deep learning and iterative optimization to create a data-driven framework that enhances source solution modeling without relying on traditional assumptions.
  • Benefits of XDL-ESI include better accuracy through a topological loss for localization errors, improved reconstruction efficiency, and greater interpretability, showing strong performance in both simulated and real clinical data, particularly with simultaneous EEG and intracranial EEG (iEEG).
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Structured adaptive boosting trees for detection of multicellular aggregates in fluorescence intravital microscopy.

Microvasc Res

November 2024

Department of Chemical and Biomedical Engineering, Benjamin M. Statler College of Engineering and Mineral Resources, West Virginia University, Morgantown, WV 26506, USA. Electronic address:

Fluorescence intravital microscopy captures large data sets of dynamic multicellular interactions within various organs such as the lungs, liver, and brain of living subjects. In medical imaging, edge detection is used to accurately identify and delineate important structures and boundaries inside the images. To improve edge sharpness, edge detection frequently requires the inclusion of low-level features.

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Objectives: To determine how pre-existing conditions contribute to racial disparities in adverse maternal outcomes and incorporate these conditions into models to improve risk prediction for racial minority subgroups.

Study Design: We used data from the "Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-be (nuMoM2b)" observational cohort study. We defined multimorbidity as the co-occurrence of two or more pre-pregnancy conditions.

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Introduction: Cone-beam computed tomography (CBCT) is widely used to detect jaw lesions, although CBCT interpretation is time-consuming and challenging. Artificial intelligence for CBCT segmentation may improve lesion detection accuracy. However, consistent automated lesion detection remains difficult, especially with limited training data.

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Radiotherapy toxicity prediction using knowledge-constrained generalized linear model.

IISE Trans Healthc Syst Eng

July 2023

H. Milton Stewart School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, GA, USA.

Radiation therapy (RT) is a frontline approach to treating cancer. While the target of radiation dose delivery is the tumor, there is an inevitable spill of dose to nearby normal organs causing complications. This phenomenon is known as radiotherapy toxicity.

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Article Synopsis
  • This study investigates how different interaction methods between humans and drones (HDI) affect the safety and balance of construction workers in virtual reality.
  • Using VR simulations, it evaluated gesture and speech communications versus a control group, with participants' movements tracked to assess balance.
  • Findings indicate that gesture interaction improved balance and reduced fall risks, while speech interaction increased cognitive load, suggesting a need for further research to balance physical safety and mental strain in real-world environments.
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Dental care access for children in the United States.

J Public Health Dent

December 2024

Department of Prevention and Public Health Sciences, College of Dentistry, University of Illinois, Chicago, Illinois, USA.

Objectives: To evaluate access to dental care for children in the United States.

Methods: The study population included children in 48 states and the District of Columbia. Using multiple data sources, dental care access was estimated at the community level by matching dental care supply and demand using mathematical modeling accounting for access constraints.

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Malaria continues to be a major source of morbidity and mortality in sub-Saharan Africa. Timely, accurate, and effective case management is critical to malaria control. Proactive community case management (ProCCM) is a new strategy in which a community health worker "sweeps" a village, visiting households at defined intervals to proactively provide diagnostic testing and treatment if indicated.

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In this study, we address the mate selection problem in the hybridization stage of a breeding pipeline, which constitutes the multi-objective breeding goal key to the performance of a variety development program. The solution framework we formulate seeks to ensure that individuals with the most desirable genomic characteristics are selected to cross in order to maximize the likelihood of the inheritance of desirable genetic materials to the progeny. Unlike approaches that use phenotypic values for parental selection and evaluate individuals separately, we use a criterion that relies on the genetic architecture of traits and evaluates combinations of genomic information of the pairs of individuals.

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Interfacing data science with cell therapy manufacturing: where we are and where we need to be.

Cytotherapy

September 2024

NSF Engineering Research Center (ERC) for cell Manufacturing Technologies (CMaT), USA; Department of Biomedical Engineering, School of Engineering, Vanderbilt University, Nashville, TN, USA; Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, TN, USA; Department of Chemical and Biomolecular Engineering, School of Engineering, Vanderbilt University, Nashville, TN, USA. Electronic address:

Although several cell-based therapies have received FDA approval, and others are showing promising results, scalable, and quality-driven reproducible manufacturing of therapeutic cells at a lower cost remains challenging. Challenges include starting material and patient variability, limited understanding of manufacturing process parameter effects on quality, complex supply chain logistics, and lack of predictive, well-understood product quality attributes. These issues can manifest as increased production costs, longer production times, greater batch-to-batch variability, and lower overall yield of viable, high-quality cells.

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Quantitative estimates of the regulatory influence of long non-coding RNAs on global gene expression variation using TCGA breast cancer transcriptomic data.

PLoS Comput Biol

June 2024

Wallace H. Coulter Department of Biomedical Engineering at Georgia Tech and Emory University, Georgia Institute of Technology, Atlanta, Georgia, United States of America.

Long non-coding RNAs (lncRNAs) have received attention in recent years for their regulatory roles in diverse biological contexts including cancer, yet large gaps remain in our understanding of their mechanisms and global maps of their targets. In this work, we investigated a basic unanswered question of lncRNA systems biology: to what extent can gene expression variation across individuals be attributed to lncRNA-driven regulation? To answer this, we analyzed RNA-seq data from a cohort of breast cancer patients, explaining each gene's expression variation using a small set of automatically selected lncRNA regulators. A key aspect of this analysis is that it accounts for confounding effects of transcription factors (TFs) as common regulators of a lncRNA-mRNA pair, to enrich the explained gene expression for lncRNA-mediated regulation.

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Background: Lack of access to risk-appropriate maternity services, particularly for rural residents, is thought to be a leading contributor to disparities in maternal morbidity and mortality. There are several existing measures of access to obstetric care in the literature and popular media. In this study, we explored how current measures of obstetric access inform the number and location of additional obstetric care facilities required to improve access.

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Background: Community-based mask wearing has been shown to reduce the transmission of SARS-CoV-2. However, few studies have conducted an economic evaluation of mask mandates, specifically in public transportation settings. This study evaluated the cost-effectiveness of implementing mask mandates for subway passengers in the United States by evaluating its potential to reduce COVID-19 transmission during subway travel.

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