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2019

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Articles 10591 - 10620 of 16116

Full-Text Articles in Medicine and Health Sciences

Who Speaks For Me?: Addressing Variability In Informed Consent Practices For Minimal Risk Research Involving Foster Youth, Mary V. Greiner, Sarah J. Beal, Antonio Allen, Vikash Patel, Jareen Meinzen-Derr, Armand Antommaria Jan 2019

Who Speaks For Me?: Addressing Variability In Informed Consent Practices For Minimal Risk Research Involving Foster Youth, Mary V. Greiner, Sarah J. Beal, Antonio Allen, Vikash Patel, Jareen Meinzen-Derr, Armand Antommaria

Journal of Health Disparities Research and Practice

Background: Youth in protective custody (i.e., foster care) are at higher risk for poorer physical and mental health outcomes compared with those who are not. These differences may be due in part to the lack of research on the population to create evidence-based recommendations for health care delivery. A potential contributor to this lack of research is difficulties in obtaining informed consent for empirical studies in this population. The objective of this study was to describe the approaches to obtaining informed consent in minimal risk studies of foster youth and provide recommendations for future requirements.

Methods: We conducted a …


Racial Discrimination And Preterm Birth Among African American Women: The Important Role Of Posttraumatic Stress Disorder, Amelia Gavin, Nancy Grote, Kyaien Conner, Taurmini Fentress Jan 2019

Racial Discrimination And Preterm Birth Among African American Women: The Important Role Of Posttraumatic Stress Disorder, Amelia Gavin, Nancy Grote, Kyaien Conner, Taurmini Fentress

Journal of Health Disparities Research and Practice

Among African American infants, preterm birth (PTB) is the most frequent cause of infant mortality. In the United States, there remains a stark African American-Non-Hispanic White difference in PTB (< 37 weeks of completed gestation). When compared to Non-Hispanic White infants, African American infants have greater than three times the risk of preterm-related mortality. Prior research studies have examined whether traditional prenatal risk factors explain the African American-Non-Hispanic White difference in PTB. However identification of these factors fails to explain the disparity. The lack of progress in addressing the African American - Non-Hispanic White difference in PTB suggests that exposures to risk factors across the life-course may be vital to addressing the African American-Non-Hispanic White difference in PTB. One potential life-course risk exposure is racial discrimination, which has been shown to influence the increased risk of PTB among African American women. However, research is needed to reveal the mechanisms that underlie the association between racial discrimination and PTB. Posttraumatic stress disorder (PTSD) may be one potential mechanism by which African American women's exposure to racial discrimination contributes to increased risk of PTB. This concept paper strives to advance our understanding of the increased risk of PTB among African American women. Recommendations are suggested to mitigate the impact of racial discrimination and PTSD on the PTB risk among African American women.


Exploring The Cultural Perceptions Of Physical Activity Among Transnational Nigerian Immigrants, Kelechi D. Ibe-Lamberts, Daudet Ilunga Tshiswaka, Abi Fapohunda Jan 2019

Exploring The Cultural Perceptions Of Physical Activity Among Transnational Nigerian Immigrants, Kelechi D. Ibe-Lamberts, Daudet Ilunga Tshiswaka, Abi Fapohunda

Journal of Health Disparities Research and Practice

Background: Transnational Nigerian Immigrants, as other Transnational African Immigrants, are a subset of African immigrants with the unique ability to sustain multi-national ties. These ties could potentially affect health behavior choices and participation in physical activity. Physical Activity has the potential to improve health and prevent chronic diseases; however, there is a lack of literature regarding physical activity and its determinants within the Transnational African Immigrant population in general. This study investigated the cultural factors that shape Transnational Nigerian Immigrants’ perceptions and attitudes towards physical activity.

Methods: Semi-structured, individual interviews supported by photo-elicitation were conducted on 24 Transnational …


Prehypertensive Risk Among African-American Undergraduates: Do The Extra Pounds Really Matter?, Cecile N. Yancu, Amber Debono, Anna K. Lee, Correll Mcrae, Daphne Witherspoon Jan 2019

Prehypertensive Risk Among African-American Undergraduates: Do The Extra Pounds Really Matter?, Cecile N. Yancu, Amber Debono, Anna K. Lee, Correll Mcrae, Daphne Witherspoon

Journal of Health Disparities Research and Practice

The objective of this study is to examine prehypertension among young African American adults and evaluate the predictive value of easily obtained standard measures of adiposity. Data for this study of 155 primarily African-American undergraduates was collected between April 2010-11. Participants provided family health history and anthropometric measures, including body weight, body mass index (BMI), and waist to hip (WHR) ratio. Percentages were calculated for demographics. The average systolic blood pressure measured over two time periods within a single semester generated prehypertension rates. Univariate and multivariate logistic regression examined the impact of BMI, WHR, weight, and family medical history on …


Disparities In Access To Primary Care And Emergency Department Utilization In A Large Medicaid Program, Natasha Parekh, Marian Jarlenski, David Kelley Jan 2019

Disparities In Access To Primary Care And Emergency Department Utilization In A Large Medicaid Program, Natasha Parekh, Marian Jarlenski, David Kelley

Journal of Health Disparities Research and Practice

Identifying and eliminating disparities are priorities for State Medicaid programs, especially in the context of increased enrollment through Medicaid expansion. We assessed racial, ethnic, regional, and managed care organization (MCO) differences, as well as time trends before and after Medicaid expansion, in primary care and emergency department (ED) utilization in a large Medicaid program. We performed a cross-sectional evaluation of data from Pennsylvania Medicaid from 2011-2015. Three primary care outcomes included: 1) adult access to primary care; 2) adolescent access to primary care; and 3) pediatric access to dental care. Our fourth outcome reflected ED utilization. We observed significant racial …


Medical School Watercooler Newsletter - January 13, 2019, Lindsey Lyle Jan 2019

Medical School Watercooler Newsletter - January 13, 2019, Lindsey Lyle

Watercooler Newsletter

This is the January 13, 2019 edition of the Frederick P. Whiddon College of Medicine's Newsletter - Watercooler.

Contents Include:

USA Medical Students Attend 'Raise 251' Exhibit

Mobile Medical Museum to Unveil Sculptural Tribute to Midwives

Center for Healthy Communities Hosts Forum on Community-Engaged Scholarship

Med School Café - Expert Advice for the Community

Six USA Medical Students Match in Military Programs


Burnout, Depression And Suicide Prevention For Nurses In High-Intensity Settings, April Ritchie Jan 2019

Burnout, Depression And Suicide Prevention For Nurses In High-Intensity Settings, April Ritchie

Doctor of Nursing Practice (DNP) Projects

Problem: Burnout in healthcare has been reported as high as 35% for hospital nurses in acute care and occurs at higher rates in high-intensity settings. Burnout can lead to depressive symptoms, which can lead to suicidal ideation in affected healthcare providers and warrants further attention.

Context: Studies indicate that identification and interventions can help improve burnout; therefore, nurses in the emergency department (ED), intensive care unit (ICU), labor and delivery (L&D), and neonatal intensive care unit (NICU) completed education, surveys, and tools to identify and treat the problem.

Interventions: Nurse education on burnout, depression, and suicide was completed, and …


Ballroom Dance For Persons With Multiple Sclerosis: A Pilot Feasibility Study, Alexander V. Ng, Sheri Bunyan, Jimin Suh, Pamela Huenink, Tyler Gregory, Shannon Gambon, Deborah Miller Jan 2019

Ballroom Dance For Persons With Multiple Sclerosis: A Pilot Feasibility Study, Alexander V. Ng, Sheri Bunyan, Jimin Suh, Pamela Huenink, Tyler Gregory, Shannon Gambon, Deborah Miller

Exercise Science Faculty Research and Publications

Purpose: The purpose of this study was to evaluate the exercise intensity and feasibility of recreational ballroom dance for persons with multiple sclerosis (MS).

Methods: Seven persons with MS participated in 2 one-hour dance sessions per week for 6 weeks. Dance types included rumba, foxtrot, waltz, and push-pull. Six other persons with MS comprised a control group that did not dance. Heart rate and ratings of perceived exertion (RPE) were monitored during the sessions. Outcomes included: quality of life, fatigue, depression, self-efficacy, timed up and go, Berg Balance Scale, Dynamic Gait Index and the Multiple Sclerosis Functional Composite comprising 9-hole …


Online Blaming And Intimate Partner Violence: A Content Analysis Of Social Media Comments, Jason Whiting, Rachael Dansby Olufowote, Jaclyn D. Cravens-Pickens, Alyssa Banford Witting Jan 2019

Online Blaming And Intimate Partner Violence: A Content Analysis Of Social Media Comments, Jason Whiting, Rachael Dansby Olufowote, Jaclyn D. Cravens-Pickens, Alyssa Banford Witting

The Qualitative Report

Social media has become a ubiquitous form of interacting and sharing information. However, comments on social media sites are often aggressive and contemptuous, especially when topics are controversial or politically charged. For example, discussion of intimate partner violence (IPV) tends to provoke strong reactions from outsiders, who make angry or blaming remarks about those involved. Although IPV is common, it has not been widely discussed in popular media until recent years when high-profile cases of abuse have come to light. In 2016, a celebrity accusation of domestic violence led to thousands of comments on social media, with outsiders weighing in …


A Writing Assignment To Address Gaps In The Nursing Curriculum Regarding Health Issues Of Lgbt+ Populations., Bridget Maley, Randy Gross Jan 2019

A Writing Assignment To Address Gaps In The Nursing Curriculum Regarding Health Issues Of Lgbt+ Populations., Bridget Maley, Randy Gross

Publications and Research

Background: LGBT+ populations account for 4% of the US population, yet health disparities persist, which are considered a priority in health care systems. In nursing education programs, the allotment in time to cover LGBT+ health content is not mandated thus ranges from zero to several hours total in nursing curricula. Therefore, nursing students’ education regarding LGBT+ health issues remains minimal and inconsistent throughout the nation’s nursing programs.

Aim: To provide associate degree nursing students with exposure to the health disparities in LGBT+ populations through a reflective writing assignment.

Methods: The essays were culled from both sections of an established core …


Integrating Nutrition Into Health Systems: What The Evidence Advocates, Rehana Salam, Jai K. Das, Zulfiqar Ahmed Bhutta Jan 2019

Integrating Nutrition Into Health Systems: What The Evidence Advocates, Rehana Salam, Jai K. Das, Zulfiqar Ahmed Bhutta

Department of Paediatrics and Child Health

There is considerable evidence of positive health and nutrition outcomes resulting from integrating nutrition-specific interventions into health systems; however, current knowledge on establishing and sustaining effective integration of nutrition into health systems is limited. The objective of this review is to map the existing types of integration platforms and review the evidence on integrated health and nutrition programmes' impacts on specific nutrition outcomes. A literature search was conducted, and integrated nutrition programmes were examined through the lens of the six World Health Organization (WHO) building blocks, including the demand side. Forty-five studies were included in this review, outlining the integration …


Developing Clinical Reasoning Skills Through Argumentation With The Concept Map Method In Medical Problem-Based Learning, Jihyun Si, Hyun-Hee Kong, Sang-Hwa Lee Jan 2019

Developing Clinical Reasoning Skills Through Argumentation With The Concept Map Method In Medical Problem-Based Learning, Jihyun Si, Hyun-Hee Kong, Sang-Hwa Lee

Interdisciplinary Journal of Problem-Based Learning

This study aims to explore the effects of argumentation with the concept map method during medical problem-based learning (PBL) on individual clinical reasoning. Individual clinical reasoning ability was assessed through problem-solving performance and arguments that students constructed during individual clinical reasoning processes. Toulmin’s model of argument was utilized as a structure for arguments. The study also explored whether there would be any differences between the firstand second-year medical students. Ninety-five medical students participated in this study, and they took two PBL modules. During PBL, they were asked as a group to construct concept maps based on their argumentation about a …


Who Put The Super In Superhero? Transformation And Heroism As A Function Of Evolution, Susan Ross Jan 2019

Who Put The Super In Superhero? Transformation And Heroism As A Function Of Evolution, Susan Ross

Faculty Publications

Transformation and heroism are reciprocally related. Transformation produces an individual that others may call hero; one who inspires, guides, and protects something precious—an ordinary extraordinary person, master of the self. Heroes exhibit the further reaches of human development by transforming into entirely new, resplendent individuals that demonstrate valuable capacities whiles still being mortal. Because transformation is the means through which heroes are made, a more thorough understanding of the forces affecting transformation may advance collective understanding of the demands upon the individual. Founded on the scholarship of seminal authors of depth psychology, East Indian spirituality, anthropology, physics, mythology, Hermetic science, …


Dissociable Cognitive Impairments In Two Strains Of Transgenic Alzheimer's Disease Mice Revealed By A Battery Of Object-Based Tests, Samantha D. Creighton, Ari L. Mendell, Daniel Palmer, Bettina E. Kalisch, Neil J. Maclusky, Vania F Prado, Marco A.M Prado, Boyer D. Winters Jan 2019

Dissociable Cognitive Impairments In Two Strains Of Transgenic Alzheimer's Disease Mice Revealed By A Battery Of Object-Based Tests, Samantha D. Creighton, Ari L. Mendell, Daniel Palmer, Bettina E. Kalisch, Neil J. Maclusky, Vania F Prado, Marco A.M Prado, Boyer D. Winters

Anatomy and Cell Biology Publications

Object recognition tasks detect cognitive deficits in transgenic Alzheimer's disease (AD) mouse models. Object recognition, however, is not a unitary process, and there are many uncharacterized facets of object processing with relevance to AD. We therefore systematically evaluated object processing in 5xFAD and 3xTG AD mice to clarify the nature of object recognition-related deficits. Twelve-month-old male and female 5xFAD and 3xTG mice were assessed on tasks for object identity recognition, spatial recognition, and multisensory object perception. Memory and multisensory perceptual impairments were observed, with interesting dissociations between transgenic AD strains and sex that paralleled neuropathological changes. Overreliance on the widespread …


Patterns And Predictors Of Chronic Opioid Use In Older Adults: A Retrospective Cohort Study, Gyeon Oh, Erin L. Abner, David W. Fardo, Patricia R. Freeman, Daniela C. Moga Jan 2019

Patterns And Predictors Of Chronic Opioid Use In Older Adults: A Retrospective Cohort Study, Gyeon Oh, Erin L. Abner, David W. Fardo, Patricia R. Freeman, Daniela C. Moga

Epidemiology and Environmental Health Faculty Publications

Background

Given the controversy around the effectiveness of opioid treatment for chronic pain and the lack of detailed guidance for prescribing opioids in older adults, the objectives of this study were to estimate the trajectories and predictors of opioid use in older adults.

Methods

Data were extracted from the National Alzheimer’s Coordinating Center (2005–2017). Group-based trajectory modeling was used to identify the patterns of opioid use (any or strong) among participants age 65+. We used multivariable logistic regression with backward selection to evaluate demographics and comorbidities as potential predictors of trajectory membership.

Results

Among 13,059 participants, four trajectories were identified …


Health & Kinesiology News, Georgia Southern University Jan 2019

Health & Kinesiology News, Georgia Southern University

Health Sciences & Kinesiology: News & Publications (2015-2023)

  • Georgia Southern’s Coaching Programs Nationally Accredited


Antisense Oligonucleotides Targeting Angiotensinogen: Insights From Animal Studies, Chia-Hua Wu, Ya Wang, Murong Ma, Adam E. Mullick, Rosanne M. Crooke, Mark J. Graham, Alan Daugherty, Hong S. Lu Jan 2019

Antisense Oligonucleotides Targeting Angiotensinogen: Insights From Animal Studies, Chia-Hua Wu, Ya Wang, Murong Ma, Adam E. Mullick, Rosanne M. Crooke, Mark J. Graham, Alan Daugherty, Hong S. Lu

Saha Cardiovascular Research Center Faculty Publications

Angiotensinogen (AGT) is the unique substrate of all angiotensin peptides. We review the recent preclinical research of AGT antisense oligonucleotides (ASOs), a rapidly evolving therapeutic approach. The scope of the research findings not only opens doors for potentially new therapeutics of hypertension and many other diseases, but also provides insights into understanding critical physiological and pathophysiological roles mediated by AGT.


The Santthe Santa Clara, 2019-01-10, Santa Clara University Jan 2019

The Santthe Santa Clara, 2019-01-10, Santa Clara University

The Santa Clara

No abstract provided.


Developing A Biased Unmatched Bivalent Ligand (Bumbl) Design Strategy To Target The Gpcr Homodimer Allosteric Signaling (Camp Over Β-Arrestin 2 Recruitment) Within The Melanocortin Receptors., Cody J Lensing, Katie T Freeman, Sathya M Schnell, Robert Charles Speth, Adam T Zarth, Carrie Haskell-Luevano Jan 2019

Developing A Biased Unmatched Bivalent Ligand (Bumbl) Design Strategy To Target The Gpcr Homodimer Allosteric Signaling (Camp Over Β-Arrestin 2 Recruitment) Within The Melanocortin Receptors., Cody J Lensing, Katie T Freeman, Sathya M Schnell, Robert Charles Speth, Adam T Zarth, Carrie Haskell-Luevano

Faculty Articles

Understanding the functional relevance of G protein-coupled receptor (GPCR) homodimerization has been limited by the insufficient tools to assess asymmetric signaling occurring within dimers comprised of the same receptor type. We present unmatched bivalent ligands (UmBLs) to study the asymmetric function of melanocortin homodimers. UmBLs contain one agonist and one antagonist pharmacophore designed to target a melanocortin homodimer such that one receptor is occupied by an agonist and the other receptor by an antagonist pharmacophore. First-in-class biased UmBLs (BUmBLs) targeting the human melanocortin-4 receptor (hMC4R) were discovered. The BUmBLs displayed biased agonism by potently stimulating cAMP signaling (EC


Mutational Analysis Of Head And Neck Squamous Cell Carcinoma Stratified By Smoking Status., Farhad Ghasemi, Stephenie D Prokopec, Danielle Macneil, Neil Mundi, Steven F Gameiro, Christopher Howlett, William Stecho, Paul Plantinga, Nicole Pinto, Kara M Ruicci, Mohammed Imran Khan, John Yoo, Kevin Fung, Axel Sahovaler, David A Palma, Eric Winquist, Joe S Mymryk, John W Barrett, Paul C Boutros, Anthony C Nichols Jan 2019

Mutational Analysis Of Head And Neck Squamous Cell Carcinoma Stratified By Smoking Status., Farhad Ghasemi, Stephenie D Prokopec, Danielle Macneil, Neil Mundi, Steven F Gameiro, Christopher Howlett, William Stecho, Paul Plantinga, Nicole Pinto, Kara M Ruicci, Mohammed Imran Khan, John Yoo, Kevin Fung, Axel Sahovaler, David A Palma, Eric Winquist, Joe S Mymryk, John W Barrett, Paul C Boutros, Anthony C Nichols

Paediatrics Publications

Smoking has historically been recognized as a negative prognostic factor in head and neck squamous cell carcinoma (HNSCC). This study aimed to assess the mutational differences between heavy smokers (>20 pack years) and never smokers among the HNSCC patients within The Cancer Genome Atlas (TCGA). Single nucleotide variation and copy number aberration differences between heavy smokers and never smokers were compared within human papillomavirus-positive (HPV-positive) (n = 67) and HPV-negative (n = 431) TCGA cohorts with HNSCC, and the impact of these mutations on survival were assessed. No genes were differentially mutated between smoking and never-smoking patients with HPV-positive …


Oscillometry And Pulmonary Magnetic Resonance Imaging In Asthma And Copd, Rachel L Eddy, Andrew Westcott, Geoffrey N Maksym, Grace Parraga, Ronald J Dandurand Jan 2019

Oscillometry And Pulmonary Magnetic Resonance Imaging In Asthma And Copd, Rachel L Eddy, Andrew Westcott, Geoffrey N Maksym, Grace Parraga, Ronald J Dandurand

Medical Biophysics Publications

Developed over six decades ago, pulmonary oscillometry has re-emerged as a noninvasive and effort-independent method for evaluating respiratory-system impedance in patients with obstructive lung disease. Here, we evaluated the relationships between hyperpolarized


Biopharmaceutics And Physical Pharmacy Bps 307, Joanna Burkhardt Jan 2019

Biopharmaceutics And Physical Pharmacy Bps 307, Joanna Burkhardt

Library Impact Statements

No abstract provided.


Optimising Decentralisation For The Health Sector By Exploring The Synergy Of Decision Space, Capacity And Accountability: Insights From The Philippines, Harvy Joy Liwanag, Kaspar Wyss Jan 2019

Optimising Decentralisation For The Health Sector By Exploring The Synergy Of Decision Space, Capacity And Accountability: Insights From The Philippines, Harvy Joy Liwanag, Kaspar Wyss

Ateneo School of Medicine and Public Health Publications

Background

Several studies on decentralisation have used the ‘decision space’ approach to assess the breadth of space made available to decision-makers at lower levels of the health system. However, in order to better understand how decentralisation becomes effective for the health sector, analysis should go beyond assessing decision space and include the dimensions of capacity and accountability. Building on Bossert’s earlier work on the synergy of these dimensions, we analysed decision-making in the Philippines where governmental health services have been devolved to local governments since 1992.

Methods

Using a qualitative research design, we interviewed 27 key decision-makers at different levels …


Allogeneic Hematopoietic Cell Transplantation Provides Effective Salvage Despite Refractory Disease Or Failed Prior Autologous Transplant In Angioimmunoblastic T-Cell Lymphoma: A Cibmtr Analysis, Narendranath Epperla, Kwang W. Ahn, Carlos Litovich, Sairah Ahmed, Minoo Battiwalla, Jonathon B. Cohen, Parastoo Dahi, Nosha Farhadfar, Umar Farooq, Cesar O. Freytes, Nilanjan Ghosh, Bradley Haverkos, Alex Herrera, Mark Hertzberg, Gerhard C. Hildebrandt, David Inwards, Mohamed A. Kharfan-Dabaja, Farhad Khimani, Hillard Lazarus, Aleksandr Lazaryan, Lazaros Lekakis, Hemant Murthy, Sunita Nathan, Taiga Nishihori, Attaphol Pawarode, Tim Prestidge, Praveen Ramakrishnan, Andrew R. Rezvani, Rizwan Romee, Nirav N. Shah Jan 2019

Allogeneic Hematopoietic Cell Transplantation Provides Effective Salvage Despite Refractory Disease Or Failed Prior Autologous Transplant In Angioimmunoblastic T-Cell Lymphoma: A Cibmtr Analysis, Narendranath Epperla, Kwang W. Ahn, Carlos Litovich, Sairah Ahmed, Minoo Battiwalla, Jonathon B. Cohen, Parastoo Dahi, Nosha Farhadfar, Umar Farooq, Cesar O. Freytes, Nilanjan Ghosh, Bradley Haverkos, Alex Herrera, Mark Hertzberg, Gerhard C. Hildebrandt, David Inwards, Mohamed A. Kharfan-Dabaja, Farhad Khimani, Hillard Lazarus, Aleksandr Lazaryan, Lazaros Lekakis, Hemant Murthy, Sunita Nathan, Taiga Nishihori, Attaphol Pawarode, Tim Prestidge, Praveen Ramakrishnan, Andrew R. Rezvani, Rizwan Romee, Nirav N. Shah

Internal Medicine Faculty Publications

Background: There is a paucity of data on the role of allogeneic hematopoietic cell transplantation (allo-HCT) in patients with angioimmunoblastic T-cell lymphoma (AITL). Using the CIBMTR registry, we report here the outcomes of AITL patients undergoing an allo-HCT.

Methods: We evaluated 249 adult AITL patients who received their first allo-HCT during 2000–2016.

Results: The median patient age was 56 years (range = 21–77). Majority of the patients were Caucasians (86%), with a male predominance (60%). Graft-versus-host disease (GVHD) prophylaxis was predominantly calcineurin inhibitor-based approaches while the most common graft source was peripheral blood (97%). Median follow-up of survivors was 49 …


College Of Public Health News, Georgia Southern University Jan 2019

College Of Public Health News, Georgia Southern University

College of Public Health: News & Publications

  • Georgia Southern public health professor wins prestigious national award


School Of Nursing News, Georgia Southern University Jan 2019

School Of Nursing News, Georgia Southern University

Nursing: News & Publications (2013-2023)

  • Bouthillet Named 2019 American Association of Nurse Practitioners State Award for Excellence


Health & Kinesiology News, Georgia Southern University Jan 2019

Health & Kinesiology News, Georgia Southern University

Health Sciences & Kinesiology: News & Publications (2015-2023)

  • Buelow Honored with Health Care Hero Award


College Of Health Professions News, Georgia Southern University Jan 2019

College Of Health Professions News, Georgia Southern University

College of Health Professions: News & Publications (2012-2023)

  • Georgia Southern Opens New Health Professions Academic Building


Radiation Dose Estimation By Completely Automated Interpretation Of The Dicentric Chromosome Assay, Peter Rogan, Yanxin Li, Ben Shirley, Ruth Wilkins, Farrah Norton, Joan Knoll Jan 2019

Radiation Dose Estimation By Completely Automated Interpretation Of The Dicentric Chromosome Assay, Peter Rogan, Yanxin Li, Ben Shirley, Ruth Wilkins, Farrah Norton, Joan Knoll

Biochemistry Publications

Accuracy of the automated dicentric chromosome (DC) assay relies on metaphase image selection. This study validates a software framework to find the best image selection models that mitigate inter-sample variability. Evaluation methods to determine model quality include the Poisson goodness-of-fit of DC distributions for each sample, residuals after calibration curve fitting and leave-one-out dose estimation errors. The process iteratively searches a pool of selection model candidates by modifying statistical and filter cut-offs to rank the best candidates according to their respective evaluation scores. Evaluation scores minimize the sum of squared errors relative to the actual radiation dose of the calibration …


An Ontological Foundation For Ocular Phenotypes And Rare Eye Diseases., Panagiotis I Sergouniotis, Emmanuel Maxime, Dorothée Leroux, Annie Olry, Rachel Thompson, Ana Rath, Peter N Robinson, Hélène Dollfus, Ern-Eye Ontology Study Group Jan 2019

An Ontological Foundation For Ocular Phenotypes And Rare Eye Diseases., Panagiotis I Sergouniotis, Emmanuel Maxime, Dorothée Leroux, Annie Olry, Rachel Thompson, Ana Rath, Peter N Robinson, Hélène Dollfus, Ern-Eye Ontology Study Group

Faculty Research 2019

BACKGROUND: The optical accessibility of the eye and technological advances in ophthalmic diagnostics have put ophthalmology at the forefront of data-driven medicine. The focus of this study is rare eye disorders, a group of conditions whose clinical heterogeneity and geographic dispersion make data-driven, evidence-based practice particularly challenging. Inter-institutional collaboration and information sharing is crucial but the lack of standardised terminology poses an important barrier. Ontologies are computational tools that include sets of vocabulary terms arranged in hierarchical structures. They can be used to provide robust terminology standards and to enhance data interoperability. Here, we discuss the development of the ophthalmology-related …