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Examining Public Satisfaction With The Saudi Health System: Findings From The 2019 Kingdom Of Saudi Arabia World Health Survey, Ali M. Khashab Dec 2025

Examining Public Satisfaction With The Saudi Health System: Findings From The 2019 Kingdom Of Saudi Arabia World Health Survey, Ali M. Khashab

Saudi Medical Journal

No abstract provided.


Combating Antimicrobial Resistance In Asia: A Comprehensive Review Of Strategic Action Plans, Policies, And The Role Of The Who, Saud Almawash Dec 2025

Combating Antimicrobial Resistance In Asia: A Comprehensive Review Of Strategic Action Plans, Policies, And The Role Of The Who, Saud Almawash

Saudi Medical Journal

ABSTRACT Over the past 70 years, antimicrobial resistance (AMR) has emerged as a critical public health concern in Asia. Regional challenges such as dense population, scarce resources, and diverse healthcare systems further complicate the containment efforts. To address this, Asian countries have adopted several strategies and policies. A comprehensive review of published literature was conducted to identify key policies and interventions. Findings revealed diverse approaches to AMR containment, including surveillance and monitoring systems, antibiotic stewardship programs, infection control measures, vaccination strategies, and public health awareness campaigns. However, implementation of these strategies is hindered by resource, political, and regulatory barriers. The …


Unlocking Hidden Health Risks: Exploring Community-Based Screening For Kidney Disease, Rehab B. Albakr, Fadel Alrowie, Ibrahim A. Sandokji, Omar A. Alshammari, Hadeel A. Mitwalli, Hamood Alsudais, Abdulaziz B. Albacker, Mohamad-Hani Temsah, Ahmed H. Mitwalli, Khalid A. Alhasan Dec 2025

Unlocking Hidden Health Risks: Exploring Community-Based Screening For Kidney Disease, Rehab B. Albakr, Fadel Alrowie, Ibrahim A. Sandokji, Omar A. Alshammari, Hadeel A. Mitwalli, Hamood Alsudais, Abdulaziz B. Albacker, Mohamad-Hani Temsah, Ahmed H. Mitwalli, Khalid A. Alhasan

Saudi Medical Journal

ABSTRACT Objectives: To conduct a community-wide screening of the Saudi population for chronic kidney disease risk factors. Methods: This study utilized a non-selective, exploratory point-of-care screening approach involving 215 participants in Riyadh, Saudi Arabia, during a kidney disease awareness campaign for World Kidney Day in March 2022. Participants were randomly selected, and their estimated glomerular filtration rates (eGFRs) were measured to assess kidney function. Results: The findings revealed that 4% of participants had eGFRs less than 60 mL/min/1.73 m², 34% had eGFRs between 60 and 90 mL/min/1.73 m², and the rest had eGFRs over 90 mL/min/1.73 m². Key risk factors …


Asymptomatic Cryptococcal Antigenemia: A Multi-Clinic Cross-Sectional Study On The Prevalence, Associated Factors And Predictors Of Three-Month Outcomes Among Antiretroviralnaïve And Antiretroviral-Experienced Hiv Patients In Dar Es Salaam, Tanzania, Mandela Makakala, Mukasa Mohammed, Mabula Mabelele, Kamran Hameed, Philip Adebayo Dec 2025

Asymptomatic Cryptococcal Antigenemia: A Multi-Clinic Cross-Sectional Study On The Prevalence, Associated Factors And Predictors Of Three-Month Outcomes Among Antiretroviralnaïve And Antiretroviral-Experienced Hiv Patients In Dar Es Salaam, Tanzania, Mandela Makakala, Mukasa Mohammed, Mabula Mabelele, Kamran Hameed, Philip Adebayo

Internal Medicine, East Africa

Background: Cryptococcal meningitis remains a leading cause of HIV/AIDS-related mortality, predominantly in Sub-Saharan Africa. Current screening and prevention efforts primarily target antiretroviral therapy (ART)-naïve patients, whereas strategies for ART-experienced individuals are less well defined.

Objectives: This study primarily aimed at determining the prevalence of asymptomatic cryptococcal antigenemia (ACA) among ART-naïve and ART-experienced patients, along with associated factors and predictors of three-month outcomes among HIV patients in three HIV clinics in Dar es Salaam, Tanzania. Secondarily, factors associated with serum cryptococcal antigen positivity in the overall study population were also assessed.

Methods: This cross-sectional clinic-based study recruited 273 HIV-positive participants (ART-naïve …


Why Doody's New Health Humanities List Is A Vital Catalyst, Sandra Y. Desjardins Dec 2025

Why Doody's New Health Humanities List Is A Vital Catalyst, Sandra Y. Desjardins

Library Staff Publications

No abstract provided.


A Feasibility Study Of Sexual Organ-Dose Sparing Volumetric Modulated Arc Therapy In Female Low Rectal Cancer Patients Treated With Three-Dimensional Conformal Radiation Therapy, Margaret Downes, Victoria Olsen, Andre Williams, Rendi Sheu, Maria Thor, Lucy Greenwald, Vishruta Dumane, Kristin Hsieh, Ayesha Ali, Orly Morgan, Michael Buckstein, Deborah Marshall Dec 2025

A Feasibility Study Of Sexual Organ-Dose Sparing Volumetric Modulated Arc Therapy In Female Low Rectal Cancer Patients Treated With Three-Dimensional Conformal Radiation Therapy, Margaret Downes, Victoria Olsen, Andre Williams, Rendi Sheu, Maria Thor, Lucy Greenwald, Vishruta Dumane, Kristin Hsieh, Ayesha Ali, Orly Morgan, Michael Buckstein, Deborah Marshall

Department of Radiation Oncology Faculty Papers

BACKGROUND: Sexual dysfunction is a significant toxicity of pelvic radiation therapy (RT) for female rectal cancer patients and may be more common with intensity-modulated techniques compared to three-dimensional conformal radiation therapy (3D-CRT). However, limited research has evaluated dose sparing of female sexual organs at risk (OARs), particularly erectile tissues that are critical for sexual function.

PURPOSE: This feasibility study aimed to demonstrate the practicality of contouring and sparing female sexual OARs in rectal cancer RT by generating sexual organ-sparing volumetric modulated arc therapy (SO-VMAT) plans from a small 3D-CRT cohort and comparing dose distributions to guide future planning.

METHODS: Nine …


Identity And Representation In Contemporary Art: An Inclusive 400/500-Level Art History Seminar Course, Laura E. Franz Dec 2025

Identity And Representation In Contemporary Art: An Inclusive 400/500-Level Art History Seminar Course, Laura E. Franz

Theses

This project is an upper-level art history seminar addressing identity and representation – specifically related to race, ethnicity, gender, and sexuality – in contemporary art. Primarily a discussion-based course, the course is focused on inclusivity and is highly structured, with weekly low-stakes assignments that provide students with ample opportunities to practice engaging with academic texts. Designed for students with varying levels of academic skills, it is built around current non-academic articles that students select via an online survey. Students then “unpack” the “big ideas” in each of the four chosen non-academic articles via a cluster of academic readings and videos …


Accessible Preservation: Developing A Low-Cost, Iiif-Compliant Workflow For Small Art Collections, Robyn Palescandolo Dec 2025

Accessible Preservation: Developing A Low-Cost, Iiif-Compliant Workflow For Small Art Collections, Robyn Palescandolo

Theses

This project explores the development of an affordable, standards-based digital collections management system designed for small galleries, independent artists, and emerging institutions. Using the artist’s own studio collection as a case study, the research integrates accessible hardware and open-source technologies, including the International Image Interoperability Framework (IIIF), Artwork Archive, GitHub Pages, and the Internet Archive, to establish a transparent, replicable workflow for cataloguing and publication. The project demonstrates how interoperability, metadata consistency, and open access can be achieved without reliance on costly proprietary systems, such as TMS Collections or PastPerfect.

The workflow includes high-resolution image capture, 3D scanning, data normalization, …


Culture-Dependent Characterization Of Microbial Succession And Persistence In The Integrated Lunar/Martian Analog Habitat (Ilmah), Haley Olivia Boles Dec 2025

Culture-Dependent Characterization Of Microbial Succession And Persistence In The Integrated Lunar/Martian Analog Habitat (Ilmah), Haley Olivia Boles

Theses and Dissertations

This study examines culture-dependent microbial monitoring in a closed lunar/Martian analog habitat, focusing on viable community dynamics relevant to long-duration missions. A standardized sampling and cultivation pipeline was implemented in ILMAH to track microbial succession and persistence under realistic operational conditions. Surface samples were collected across eight habitat zones at five mission timepoints (Days 0, 5, 10, 15, 20) during a 21-day crewed mission. Samples were concentrated post-collection and plated on chromogenic film media to quantify total aerobic bacteria (AC-R), fungi (YM-R), E. coli (EC), and S. aureus (SA). Plates were imaged and enumerated digitally; representative colonies were isolated and …


An Update On Novel Taxa And Revised Taxonomic Status Of Bacteria Isolated From Human Clinical Specimens Described In 2024, Arianna Carella, Karen C. Carroll, Erik Munson Dec 2025

An Update On Novel Taxa And Revised Taxonomic Status Of Bacteria Isolated From Human Clinical Specimens Described In 2024, Arianna Carella, Karen C. Carroll, Erik Munson

Clinical Lab Sciences Faculty Research and Publications

Knowledge of novel and revised bacterial taxonomy facilitates routine operations in the medical microbiology laboratory and communication with important stakeholders. Notable new gram-positive taxa accepted in 2024 include the clinically significant Staphylococcus brunensis sp. nov., as well as Streptococcus suis subsp. hashimotonensis subsp. nov., which can be delineated from other Streptococcus suis subsp. by possession of the Lancefield group A antigen. Four novel Enterobacterales species are discussed, plus a novel eighth family Gallaecimonadaceae. One of these, Providencia huashanensis sp. nov. is clinically significant and harbors multiple genetic determinants that encode antimicrobial resistance mechanisms. Stenotrophomonas forensis sp. nov., derived from …


Llm-Assisted Cwe Identification, Severity Assessment, And Vulnerability Description Generation, Mohammad Jalili Torkamani Dec 2025

Llm-Assisted Cwe Identification, Severity Assessment, And Vulnerability Description Generation, Mohammad Jalili Torkamani

School of Computing: Dissertations, Theses, and Student Research

Identifying the underlying weakness types and assessing their severity using CWE and CVSS standards are critical steps in software vulnerability management. While timely assessment of vulnerabilities mitigates the impact of severe security incidents, automating joint CWE identification and severity assessment remains challenging due to the heterogeneity of vulnerabilities across different code granularities and programming languages. In addition, generating vulnerability descriptions is often time-consuming, as it requires extensive manual review, validation, and writing by security experts.

In this thesis, we leverage the capabilities of Large Language Models (LLMs) to automate the identification of CWE identifiers and the assessment of their severity …


Drought, Worry, And Preparing For The Future: The Ethnopsychology Of Climate Distress In Kilifi County, Kenya, Edna Bosire, Syed Wahid, Linda Khakali, Benjamin Oestericher, Felix Agoi, Anthony Ngugi, Rosebella Iseme, Jasmit Shah, Zul Merali, Lukoye Atwoli Dec 2025

Drought, Worry, And Preparing For The Future: The Ethnopsychology Of Climate Distress In Kilifi County, Kenya, Edna Bosire, Syed Wahid, Linda Khakali, Benjamin Oestericher, Felix Agoi, Anthony Ngugi, Rosebella Iseme, Jasmit Shah, Zul Merali, Lukoye Atwoli

Brain and Mind Institute

The impacts of climate change in sub-Saharan Africa (SSA) presents a chronic and intensifying disaster, with drought, flooding, and extreme heat, presenting unique challenges and profound disruptions. Growing evidence links such events to ecological grief, ecological anxiety, and solastalgia – negative affective states that reflects responses to climate change related destruction of nature, species, culturally significant or sacred spaces, and other ways of life. While this literature is expanding in the Global North, little is known about how communities in SSA perceive and respond to deteriorating or depleting natural ecosystems. This article explores the ethnopsychology of distress precipitated by environmental …


Blood-Based Clinical Markers For Early Dementia Detection: Insights From Ad-Detect-Cohort, Benard Aliwa, Jasmit Shah, Olivera Nesic Taylor,, Samuel Nguku, Juzar Hooker, Dilraj Sokhi, Sylvia Mbugua, Litha Musili, Rachel Maina, Harrison Kaleli, Levi Muyela, Anne Njoki Gitere, Anne Nyambura, Zul Merali, Karen Blackmon, Chinedu Momoh Dec 2025

Blood-Based Clinical Markers For Early Dementia Detection: Insights From Ad-Detect-Cohort, Benard Aliwa, Jasmit Shah, Olivera Nesic Taylor,, Samuel Nguku, Juzar Hooker, Dilraj Sokhi, Sylvia Mbugua, Litha Musili, Rachel Maina, Harrison Kaleli, Levi Muyela, Anne Njoki Gitere, Anne Nyambura, Zul Merali, Karen Blackmon, Chinedu Momoh

Brain and Mind Institute

Background: Over 55 million people worldwide live with dementia, with more than60% residing in low- and middle-income countries. Alzheimer’s disease, the mostcommon form of dementia, accounts for 60–70% of cases. Early and accurate diagnosisremains a global challenge, necessitating novel approaches to mitigate the diseaseburden. Biomarkers hold significant promise in improving diagnostic accuracy andpredicting disease progression. Validated biomarkers for the preclinical stages ofdementia are crucial for advancing diagnosis and therapeutic strategies. We aimedto identify potential clinical markers for early dementia detection and assess theirpredictive accuracy in identifying high-risk individuals.

Method: We analyzed blood samples from dementia cases (n = 30) and …


Community Perspectives On Factors Contributing To Resilience For Healthy Aging In Kenya, Linda Khakali, Everline Onchari, Maureen Ondire, Catherine Onyancha, Chinedu Momoh, Edna Bosire Dec 2025

Community Perspectives On Factors Contributing To Resilience For Healthy Aging In Kenya, Linda Khakali, Everline Onchari, Maureen Ondire, Catherine Onyancha, Chinedu Momoh, Edna Bosire

Brain and Mind Institute

Background: The global elderly population is increasing and expected to double in thenext decade. Aging increases the likelihood of adversities, with resilience becomingan important aspect of healthy aging. Understanding how individuals conceptualizeresilience offers an opportunity to create contextually relevant interventions forpromoting healthy aging. This study aimed to explore adults’ perspectives on factorsinfluencing resilience in Kenya.

Method: Using qualitative methods, 36 adults aged 35 years and above werepurposively recruited from various communities in Nairobi County to participate ininterviews. We asked questions about their understanding of aging, adversity andresiliency. We also provided them with case scenarios of two individuals respondingdifferently to the …


Reassessing Dementia Risk: Expanding The 2024 Lancet Commission Report For A More Accurate Global Understanding, Cyprian Mostert Dec 2025

Reassessing Dementia Risk: Expanding The 2024 Lancet Commission Report For A More Accurate Global Understanding, Cyprian Mostert

Brain and Mind Institute

Background: The 2024 Lancet Commission Report analyzes 14 risk factors thataccount for 45 percent of global dementia cases. However, it overlooks four criticalrisk factors: poverty, wealth shocks, income inequality, and viral infections. This isparticularly concerning given that 57 percent of the identified risk factors in theLancet report are more prevalent in men, even though dementia predominantly affectswomen worldwide.

Method: In this policy paper, we used the recent global review studies and argue that itis essential to recalibrate and expand the 2024 Lancet Commission’s list of risk factorsto include poverty, wealth shocks, income inequality, and viral infections. Our analysissuggests that these …


Understanding And Willingness To Participate In Dementia Clinical Trials In Kenya: An Ethnographic Study, Edna Bosire, Lucy Kamau, Chinedu Momoh, Jasmit Shah, Karen Blackmon, Caroline Kiio, Irene Meier, Vaibhav Narayan, Olivera Nesic Taylor,, Zul Merali Dec 2025

Understanding And Willingness To Participate In Dementia Clinical Trials In Kenya: An Ethnographic Study, Edna Bosire, Lucy Kamau, Chinedu Momoh, Jasmit Shah, Karen Blackmon, Caroline Kiio, Irene Meier, Vaibhav Narayan, Olivera Nesic Taylor,, Zul Merali

Brain and Mind Institute

Background: Advancements in dementia research are in part contingent on participation in clinical research. Clinical trials can help researchers determine if new drugs, devices, or diagnostic procedures for dementia are safe and effective. However, little is known about clinical trials for dementia in resource constrained settings such as Kenya. The aim of our research was to explore people’s understanding of dementia clinical trials, their attitudes and perceptions towards dementia clinical trials and what can be done to enhance enrollments on such clinical trials.

Method: This was an ethnographic study involving 8 focused group discussions (FGDs; age and gender stratified; n=81) …


Perceptions And Attitudes On Biospecimen Sample Collection For Dementia Research In Kenya, Lucy Kamau, Chinedu Momoh, Karen Blackmon, Caroline Kiio, Jasmit Shah, Vaibhav Narayan, Irene Meier, Olivera Nesic Taylor,, Zul Merali, Edna Bosire Dec 2025

Perceptions And Attitudes On Biospecimen Sample Collection For Dementia Research In Kenya, Lucy Kamau, Chinedu Momoh, Karen Blackmon, Caroline Kiio, Jasmit Shah, Vaibhav Narayan, Irene Meier, Olivera Nesic Taylor,, Zul Merali, Edna Bosire

Brain and Mind Institute

 

Background: Biospecimen sample collection is crucial in dementia diagnosis and evaluation. Limited research exists from African Countries including Kenya on people's perception on biospecimen sample collection for dementia- a disease that is largely unknown. Our aim was to understand the public perceptions towards collection of biospecimen samples for dementia research in Kenya.

Method: We conducted 8 focused group discussions (FGDs; age and gender stratified) in Nairobi to understand people's perceptions about different biospecimens (urine, saliva, blood, tears, hair, cerebrospinal fluid (CSF) and the brain samples). An open-ended FGD guide was used for the discussions, each lasting about 90 minutes.

Result: …


Dual-Model Approach For Accurate Chest Disease Detection Using Gvit And Swin Transformer V2, Kamal Ahmad, Hafeez Ur Rehman, Babar Shah, Farman Ali, Irfan Hussain Dec 2025

Dual-Model Approach For Accurate Chest Disease Detection Using Gvit And Swin Transformer V2, Kamal Ahmad, Hafeez Ur Rehman, Babar Shah, Farman Ali, Irfan Hussain

All Works

The precise detection and localization of abnormalities in radiological images are very crucial for clinical diagnosis and treatment planning. To build reliable models, large and annotated datasets are required that contain disease labels and abnormality locations. Most of the time, radiologists face challenges in identifying and segmenting thoracic diseases such as COVID-19, Pneumonia, Tuberculosis, and lung cancer due to overlapping visual patterns in X-ray images. This study proposes a dual-model approach: Gated Vision Transformers (GViT) for classification and Swin Transformer V2 for segmentation and localization. GViT successfully identifies thoracic diseases that exhibit similar radiographic features, while Swin Transformer V2 maps …


From Pandemic Fix To Routine Care: How Can Telemedicine Be Effectively Implemented For Individual Health Services In The Philippines?, Dlsu Social Development Research Center Dec 2025

From Pandemic Fix To Routine Care: How Can Telemedicine Be Effectively Implemented For Individual Health Services In The Philippines?, Dlsu Social Development Research Center

SDRC Projects

This policy brief presents findings from the 2024–2025 process evaluation of telemedicine implementation in the delivery of individual-based health services in the Philippines. Guided by the Organisation for Economic Co-operation and Development–Development Assistance Committee evaluation criteria and the World Health Organization health-system building blocks, the evaluation used policy and document reviews, key informant interviews, focus group discussions, and provider and patient surveys. The findings show that telemedicine remains relevant and can reduce travel and waiting times, improve continuity of care, and decongest health facilities. However, formal implementation remains limited and uneven. Many providers rely on commercial messaging and video platforms …


Closing The Gap Between Coverage And Care: Findings And Recommendations From The Philhealth Konsultasyong Sulit At Tama (Konsulta) Process Evaluation, 2021–2024, Dlsu Social Development Research Center Dec 2025

Closing The Gap Between Coverage And Care: Findings And Recommendations From The Philhealth Konsultasyong Sulit At Tama (Konsulta) Process Evaluation, 2021–2024, Dlsu Social Development Research Center

SDRC Projects

This policy brief presents the findings and recommendations of the 2021–2024 process evaluation of the Philippine Health Insurance Corporation’s Konsultasyong Sulit at Tama (Konsulta) Package. The evaluation examined the program’s relevance and coherence, effectiveness, efficiency, sustainability, and equity using policy and document reviews, national administrative data, fieldwork in selected regions, interviews and focus group discussions, and a stated-preference survey and costing exercise. The findings show that Konsulta expanded rapidly in terms of beneficiary registration, provider presence, and geographic reach. However, significant gaps remain in continuity of care, access to diagnostics and medicines, private-provider participation, payment efficiency, information systems, and implementation …


The Equity Implications Of Pecuniary Externalities On An Electric Grid, Charles Sims, Gasser G. Ali, J Scott Holladay, Tim Roberson, Chien-Fei Chen, Islam H. El-Haddad Dec 2025

The Equity Implications Of Pecuniary Externalities On An Electric Grid, Charles Sims, Gasser G. Ali, J Scott Holladay, Tim Roberson, Chien-Fei Chen, Islam H. El-Haddad

Civil Engineering Faculty Publications

The adoption of rooftop photovoltaic (PV) systems can create upward pressure on retail electricity rates as utilities are forced to spread their fixed costs of generation and transmission across a smaller customer base. Since high-income households are more likely to purchase PV systems, low-income households may be disproportionately impacted by these rate increases. Using a novel combination of agent-based computational economic modeling and a choice experiment of rooftop solar adoption, we show how this pecuniary externality between low- and high-income customers increases low-income electricity bills by 10% in an area with some of the highest poverty rates in the United …


Key Factors And Experiences That Influence The Career Trajectory Of Black Women In Charter School Senior Leadership, Oscia A. Miles Dec 2025

Key Factors And Experiences That Influence The Career Trajectory Of Black Women In Charter School Senior Leadership, Oscia A. Miles

Education Doctoral

This interpretive phenomenological analysis examined the career trajectories of four Black women in senior leadership roles within charter schools in the Northeastern Region of the United States. It explored how personal, professional, and cultural factors shaped their leadership experiences. Findings revealed that the participants faced systemic and cultural barriers impacting both access to leadership and their ability to sustain those roles. They navigated intersecting challenges of race, gender, and institutional expectations while balancing personal and community commitments. This study underscores the need for equity-centered strategies to address structural barriers and foster inclusive leadership pathways. Three recommendations emerged: targeted mentorship, equity-driven …


Weathering Of Black Doulas In Hospitals: Challenges And Opportunities, Denise Elaine Bolds Dec 2025

Weathering Of Black Doulas In Hospitals: Challenges And Opportunities, Denise Elaine Bolds

Education Doctoral

Black maternal health continues to face significant disparities in the United States, highlighting the crucial role of Black Doulas in promoting birth equity (Declercq & Zephyrin, 2020; K. Taylor et al., 2023). This qualitative, phenomenological study explored the lived experiences of 10 certified Black Doulas working in hospital settings nationwide. Guided by the weathering hypothesis (Geronimus, 1992, /2023), critical race feminist theory (Wing, 2020), Black feminist theory (Collins, 2000), Sojourner syndrome (Bailey, 2017), and the looking-glass self (Cooley, 1902), the study examined how systemic racism, occupational challenges, and advocacy fatigue intersect to shape their professional experiences.

Using semi-structured interviews, participants …


Exploring The Relationship Between Job Satisfaction And Servant Leadership In Community Corrections: A Probation Officer’S Perspective, Shamira B. Gambrell Dec 2025

Exploring The Relationship Between Job Satisfaction And Servant Leadership In Community Corrections: A Probation Officer’S Perspective, Shamira B. Gambrell

Education Doctoral

Probation officers work in demanding environments marked by high caseloads, role conflict, and organizational pressures that can negatively affect job satisfaction and workforce stability. Leadership practices at the frontline supervisory level play a critical role in shaping these experiences, yet limited empirical research has examined servant leadership within community corrections. The purpose of this quantitative correlational study was to examine the relationship between probation officers’ perceptions of servant leadership demonstrated by their direct supervisors and their level of job satisfaction.

Data were collected from probation officers affiliated with departments connected to the American Probation and Parole Association using an anonymous …


Curvilinear Image Segmentation Using Multiscale Variational U-Net, Rebekah Fortes Dec 2025

Curvilinear Image Segmentation Using Multiscale Variational U-Net, Rebekah Fortes

LSU New Orleans Theses and Dissertations

Segmentation of curvilinear structures such as water contours, cracks in cement, and vascular networks in biomedical imaging, poses unique challenges due to extreme class imbalance, irregular morphology, low contrast against complex backgrounds, and the need to preserve global connectivity while detecting fine-scale details. We propose a Multiscale Variational U-Net (MSVU-Net) architecture designed specifically to address these challenges. The model integrates multiscale convolutional filters to capture both global context and local detail, while embedding a variational model in the bottleneck layer to enhance structural representation. To mitigate class imbalance and improve fidelity, the network optimizes a hybrid loss function that combines …


Coupled Machine Learning Models: Combining Observations And Numerical Analysis In A Physics-Regularized Approach, Austin B. Schmidt Dec 2025

Coupled Machine Learning Models: Combining Observations And Numerical Analysis In A Physics-Regularized Approach, Austin B. Schmidt

LSU New Orleans Theses and Dissertations

This dissertation investigates surrogate modeling for fixed-location environmental forecasting using novel data-combination techniques. The work surveys the landscape of observational measurements and numerically generated data, identifying similar research and gaps in current methodologies. The ratio-coupled training framework is introduced to combine two data sources per predicted feature through a tunable parameter that weights training signal strength. An optimization scheme is developed to simultaneously tune surrogate weights and the coupled signal ratio, allowing relative influence between signals to act as an explicit regularizer. Three case studies demonstrate the methodology and approach in a variety of contexts. The first study is based …


Recruitment And Retention Of Adult Learners In The State Of Louisiana: A Look Into The Adult Learner’S Decision-Making Process As A Consumer, Austin T. Rogers Dec 2025

Recruitment And Retention Of Adult Learners In The State Of Louisiana: A Look Into The Adult Learner’S Decision-Making Process As A Consumer, Austin T. Rogers

LSU New Orleans Theses and Dissertations

With the looming enrollment cliff and several institutions across the state and country already experiencing decreased enrollment, schools across the country have begun adjusting their current practices to maintain steady enrollment in the future. University administration and admissions offices are having to target new student groups in order to offset the traditional student populations they have historically worked with. However, in order for these new student groups to be successful on campus, these schools must also understand the needs of these new student populations. This narrative study aimed to better understand the experiences of adult learners currently enrolled at University …


A Quantitative Exploration Of Risk And Protective Factors Affecting The Mental Health Of Chitimacha Tribal Youth, Daphnie Vilcan-Tanner Dec 2025

A Quantitative Exploration Of Risk And Protective Factors Affecting The Mental Health Of Chitimacha Tribal Youth, Daphnie Vilcan-Tanner

LSU New Orleans Theses and Dissertations

This study examines the relationships between demographics, risk factors, and protective factors with mental distress among Chitimacha Tribal adolescents aged 12 to 18. Using a Positive Youth Development framework, the research aimed to identify the prevalence of mental distress, trauma, discrimination, and protective factors, as well as their collective and individual impacts on mental health. Data were collected through online surveys completed by 73 participants residing on or near the Chitimacha Tribal Reservation. Descriptive statistics and multiple linear regression analyses were conducted to analyze the data. Results revealed that while trauma and discrimination collectively predicted mental distress, family and community …


Using An Adapted Ripple Effect Map To Evaluate The Community Impact Of A Mobile Harm Reduction Team In Allentown, Pa., Alexandra Bersani Do, Alex Benjamin Md, Nyann Biery Dhsc, Abby S. Letcher Md Dec 2025

Using An Adapted Ripple Effect Map To Evaluate The Community Impact Of A Mobile Harm Reduction Team In Allentown, Pa., Alexandra Bersani Do, Alex Benjamin Md, Nyann Biery Dhsc, Abby S. Letcher Md

Department of Family Medicine

No abstract provided.


National-Scale Open Cattle Feedlot Detection Using Deep Learning And High-Resolution Aerial Images: Spatial Distribution And Animal Welfare Analysis, Uilson Ricardo Venancio Aires, Vitor Souza Martins, Dakota Hester, Thainara Lima, Lucas Borges Ferreira Dec 2025

National-Scale Open Cattle Feedlot Detection Using Deep Learning And High-Resolution Aerial Images: Spatial Distribution And Animal Welfare Analysis, Uilson Ricardo Venancio Aires, Vitor Souza Martins, Dakota Hester, Thainara Lima, Lucas Borges Ferreira

Research Data

Open cattle feedlots are a major form of beef production infrastructure in the United States, characterized by outdoor confinement, high animal densities, and regulated feeding practices. Despite their economic importance, a comprehensive and spatially consistent national database of these facilities remains limited. This dataset provides labeled training data, trained deep learning models, and geospatial detection outputs developed to support automated identification of open cattle feedlots from aerial imagery. The dataset includes a manually curated shapefile of 11,746 open cattle feedlot facilities identified through visual interpretation of high-resolution aerial imagery in highly productive counties of Nebraska, Kansas, and Texas. These labels …