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Design of a Low-Cost Spirometer to Detect COPD and Asthma for Remote Health Monitoring
This work develops a simple and low-cost microphone-based spirometer with a scalable infrastructure that can be used to monitor COPD and Asthma symptoms. The data acquired from the system is archived in the cloud for further procuring and reporting. To develop this system, we utilize an off-the-shelf ESP32 development board, MEMS microphone, oxygen mask, and 3D printable mounting tube to keep the costs low. The system utilizes the MEMS microphone to measure the audio signal of a user's exhalation, calculates diagnostic estimations and uploads the estimations to the cloud to be remotely monitored. Our results show a practical system that can identify COPD and Asthma symptoms and report the data to both the patient and the physician. The system developed can provide a means of gathering respiratory data to better assist doctors and assess patients to provide remote care.
Date:
May 2022
Creator:
Olvera, Alejandro
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Detection and Classification of Cancer and Other Noncommunicable Diseases Using Neural Network Models
Here, we show that training with multiple noncommunicable diseases (NCDs) is both feasible and beneficial to modeling this class of diseases. We first use data from the Cancer Genome Atlas (TCGA) to train a pan cancer model, and then characterize the information the model has learned about the cancers. In doing this we show that the model has learned concepts that are relevant to the task of cancer classification. We also test the model on datasets derived independently of the TCGA cohort and show that the model is robust to data outside of its training distribution such as precancerous legions and metastatic samples. We then utilize the cancer model as the basis of a transfer learning study where we retrain it on other, non-cancer NCDs. In doing so we show that NCDs with very differing underlying biology contain extractible information relevant to each other allowing for a broader model of NCDs to be developed with existing datasets. We then test the importance of the samples source tissue in the model and find that the NCD class and tissue source may not be independent in our model. To address this, we use the tissue encodings to create augmented samples. We test …
Date:
July 2023
Creator:
Gore, Steven Lee
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Predictors of Quality of Life (Qol): Comparing Baby Boomers, Older Adults, and Younger Adults Using Data From the 2010 National Health Interview Survey
The purpose of this study was to identify factors that predict quality of life (QOL) for aging adults and to examine and compare Baby Boomers', Older Adults' and Younger Adults' responses to the 2010 National Health Interview Survey/QOL Functioning and Disability. Significant findings included several significant values based on the multivariate regression to estimate a model to predict QOL. In particular, being male, four ethnicities other than white, being older than Boomer, age in 10 years, the Functional Difficulty Index, the Functional Limitation Index scores, chronic heart disease, asthma, and arthritis all had significant p values. Adults with chronic heart disease, asthma, or arthritis scored lower on the QOL index, but cancer, stroke, or diabetes were not associated with the QOL index. Two hypotheses had strong support. Lower scores on both the Functional Difficulty Index and the Functional Limitation Index yielded lower QOL scores. Further research recommendations include establishing reliability and validity of the QOL index; running additional regressions for demographics (ethnicity, marital status, etc.) to predict possible combinations of variables predicting QOL or barriers to QOL; and investigating the viability of incorporating the QOL index into an electronic medical record (EMR) dashboard parameter to serve as a screening mechanism …
Date:
December 2012
Creator:
Bryce, Helen Roult
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Measurement and Analysis of Indoor Air Quality Conditions
More than 80% of the people in urban regions and about 98% of cities in low and middle income countries have poor air quality according to the World Health Organization. People living in such environment suffer from many disorders like a headache, shortness of breath or even the worst diseases like lung cancer, asthma etc. The main objective of the thesis is to create awareness about the air quality and the factors that are causing air pollution to the people which is really important and provide tools at their convenience to measure and analyze the air quality. Taking real time air quality scenarios, various experiments were made using efficient sensors to study both the indoor and outdoor air quality. These experimental results will eventually help people to understand air quality better. An outdoor air quality data measurement system is developed in this research using Python programming to provide people an opportunity to retrieve and manage the air quality data and get the concentrations of the leading pollutants. The entire designing of the program is made to run with the help of a graphical user interface tool for the user, as user convenience is considered as one of the objectives of …
Date:
August 2016
Creator:
Chidurala, Veena
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Medical Comorbidity in the Course of Bipolar Disorder
Bipolar disorder is a serious illness affecting approximately 2-4% of the population and is one of the world’s leading causes of disability. In individuals with bipolar disorder, medical comorbidity associated with cardiovascular, respiratory and endocrine disorders is related to increased rates of mortality. Recent updates to multi-system inflammatory related conceptualizations of bipolar disorder focus on the unique power that medical illness and biological processes may play as factors associated with course and outcome in bipolar disorder. The current study examined medical comorbidity and its associations with various demographic and psychological variables in individuals with bipolar disorder, schizophrenia, and major depressive disorder with psychotic features followed for 10 years from their first hospital admission. When compared to an age, gender and race-matched control sample from the population, those with bipolar disorder had significantly higher medical comorbidity across a range of medical diagnoses both at 6 months and 10 years after first hospital admission. Ten years following initial hospitalization, individuals in all three diagnostic groups reported increased rates of diabetes (OR: 2.0 – 3.7), stroke (OR: 4.6 – 7.0) and asthma (OR: 1.9 - 3.1), and individuals with bipolar disorder reported increased rates of cancer (OR = 2.1). A number of psychological …
Date:
May 2016
Creator:
Smith, Patrick M.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Allergen Research and Its Implications for Psychology: History, Current Status, and Prospectus
The purpose of this manuscript was to present a brief history, the current status, and a prospectus of allergen and allergic reactions. Research on allergic reactions, particularly as viewed from the psychogenic position, was presented. The review strongly suggests that the psychogenic orientation has been frought with contradictions, unnecessarily complex interpretations, and an over-abundance of subjective, dynamic, and analytic redundancies which have done little more than perpetuate the stagnation of a rather important subdomain of the "mental" health professions.
Date:
August 1973
Creator:
Arnold, J. Steven
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Surgeon General's Call to Action to Promote Healthy Homes
This guide describes steps that people can take to protect themselves from disease, disability, and injury that may result from health hazards in the home. The guide also describes society-wide measures to improve public health through healthy homes.
Date:
2009
Creator:
United States. Public Health Service. Office of the Surgeon General.
Object Type:
Text
System:
The UNT Digital Library
The Vitamin B-6 Status of Patients with Chronic Obstructive Pulmonary Disease
The problem of this study is to determine the vitamin B-6 status of patients who have chronic obstructive pulmonary disease (COPD). Erythrocyte aspartate transaminase assay was the method for measuring vitamin B-6 status. The vitamin B-6 status was examined in thirty subjects (ten COPD subjects and twenty control subjects). An unpaired t-test was used to compare the vitamin B-6 status of the COPD group versus the control group. Four determinants (percentage stimulation, ratio of basal to stimulated activity, basal activity, and stimulated activity) were used to determine vitamin B-6 status in both groups of subjects. Percentage stimulation and ratio of basal to stimulated activity were not significantly different (control group versus COPD group) at the .05 level. However, two of ten COPD subjects had values for percentage stimulation that were two standard deviations above the mean, indicating a poor B-6 status. In contrast, basal activity and stimulated activity of erythrocyte aspartate transaminase were found to be significantly lower at the .05 level in the COPD group than the control group. Therefore, the COPD subjects as a group had some biochemical characteristics of a lower level of vitamin B-6 than the controls.
Date:
December 1986
Creator:
Anurak Bhunthurat
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
A Critical Medical Anthropology Approach to Advocating for Social Justice and Policy Change in Pesticide Use and Practice to Reduce Health Risks Among Hispanic/Latinos in Central California
This mixed methods research was conducted in the fall of 2014 to understand the perceptions and experiences of health risks and health outcomes due to pesticide exposure among community members (n=13) - concerned community members, agriculture workers and teachers- that live in the Central California agriculture counties of Monterey, Santa Cruz, Tulare, Fresno and Madera. This research explored: 1) The crops growing in participants’ communities, and how exposure to pesticides used in these crops pose potential health risks to participants and their communities 2) How pesticide exposure is impacting Hispanic/Latino communities in Central California, particularly those that are most vulnerable including school children, agriculture workers, and community members 3) The major public health concerns of impacted communities 4) Feelings of empowered to advocate for community health and environment and 5) What impacted communities wish to see on behalf of government and agribusiness to protect public health from pesticide exposure and toxins.
Date:
August 2015
Creator:
Romero, Mariel Sintora
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Investigating the Effects of Traffic-Generated Air-Pollution on the Microbiome and Immune Responses in Lungs of Wildtype Mice
There is increasing evidence indicating that exposure to air pollutants may be associated with the onset of several respiratory diseases such as allergic airway disease and chronic obstructive pulmonary disorder (COPD). Many lung diseases demonstrate an outgrowth of pathogenic bacteria belonging to the Proteobacteria phylum, and the incidence of occurrence of these diseases is higher in heavily polluted regions. Within the human body, the lungs are among the first to be exposed to the harmful effects of inhaled pollutants and microbes. Research in the past few decades have expounded on the air-pollution-induced local and systemic inflammatory responses, but the involvement of the lung microbial communities has not yet been well-characterized. Lungs were historically considered to be sterile, but recent advances have demonstrated that the lower respiratory tract is replete with a wide variety of microorganisms - both in health and disease. Recent studies show that these lung microbes may play a significant role in modulating the immune environment by inducing IgA and mucus production. Air pollutants have previously been shown to alter intestinal bacterial populations that increase susceptibility to inflammatory diseases; however, to date, the effects of traffic-generated air pollutants on the resident microbial communities on the lungs have not …
Date:
December 2020
Creator:
Daniel, Sarah
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Texas Jewish Post (Fort Worth, Tex.), Vol. 52, No. 8, Ed. 1 Thursday, February 19, 1998
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 19, 1998
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
A Human Health Perspective on Climate Change
This report identifies areas of research for understanding the impact of climate change on human health. Research areas include respiratory, cardiovascular, and mental health, as well as infectious diseases, nutrition, and others.
Date:
April 22, 2010
Creator:
National Institute of Environmental Health Sciences
Object Type:
Text
System:
The UNT Digital Library
The Penny Record (Bridge City, Tex.), Vol. 38, No. 50, Ed. 1 Wednesday, May 17, 2000
Weekly newspaper from Bridge City, Texas that includes local, state, and national news along with advertising.
Date:
May 17, 2000
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Psychoimmunological Aspects of Anger: T-cell Correlates
Immunological correlates of anger conditions were investigated. Participants were 33 females and 36 males, ranging from 25 to 55 years old. Percentages of total T-lymphocytes, suppressor-T, helper-T, and ratio of helper-T to suppressor-T cells were measured. Differences were found between males and females for Anger Control and Anger Expression. For females, total T-cell percentages correlated with State Anger, Angry Temperament, Anger Out, and the combination of State Anger/Angry Reaction. Suppressor-T cell percentages correlated with State Anger, Trait Anger, Angry Temperament, Anger Out, Anger Expression, and the combination of Angry Temperament/Anger In. Helper-T cells correlated with State Anger, Angry Temperament, Angry Reaction, Anger Out, and Anger Control. Mindbody appears to function in a unified fashion.
Date:
May 1991
Creator:
Franks, Susan F. (Susan Faye)
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
The Penny Record (Bridge City, Tex.), Vol. 37, No. 22, Ed. 1 Wednesday, September 27, 1995
Weekly newspaper from Bridge City, Texas that includes local, state, and national news along with advertising.
Date:
September 27, 1995
Creator:
Turkel, Arlene
Object Type:
Newspaper
System:
The Portal to Texas History
The Role of Learning in Emergency Physicians' Process of Changing Practice Behavior
The sequence of events leading to the implementation of a change in emergency physicians' practice and the learning activities and processes undertaken are examined and described in this study. A qualitative case study design was utilized and semi-structured interviews were employed as the primary means of data collection. Thirty emergency physicians were interviewed in face-to-face or telephone interviews. One change that required learning was selected per physician for an in-depth interview. The following factors were examined: motivation to change a practice behavior, time to implementation of changes, source of awareness, barriers to change, use of learning resources, stages in the change process, and method of learning.
Date:
May 1994
Creator:
Garcia, Rebecca, 1953-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Why Are You Here? Exploring the Logic Behind Nonurgent Use of a Pediatric Emergency Department
Caregivers often associate fevers with permanent harm and bring children to emergency departments (EDs) unnecessarily. However, families using EDs for nonurgent complaints often have difficulty accessing quality primary care. Mutual misconceptions among caregivers and healthcare providers regarding nonurgent ED use are a barrier to implementing meaningful interventions. The purpose of this project was to identify dominant themes in caregivers’ narratives about bringing children to the ED for nonurgent fevers. Thirty caregivers were recruited in a pediatric ED for participation in qualitative semi-structured interview from August to November 2014. Interview transcripts were coded and analyzed for themes. Caregivers’ decisions to come to the ED revolved around their need for reassurance that children were not in danger. Several major themes emerged: caregivers came to the ED when they felt they had no other options; parents feared that fevers would result in seizures; caregivers frequently drew on family members and the internet for health information; and many families struggled to access their PCPs for sick care due to challenging family logistics. Reducing nonurgent ED utilization requires interventions at the individual and structural level. Individual-level interventions should empower caregivers to manage fevers and other common illnesses at home. However, such interventions may have limited …
Date:
August 2015
Creator:
Villa-Watt, Ian
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Texas Jewish Post (Dallas, Tex.), Vol. 74, No. 16, Ed. 1 Thursday, April 16, 2020
Weekly Jewish newspaper from Dallas, Texas that includes local, state, and national news along with extensive advertising.
Date:
April 16, 2020
Creator:
Wisch-Ray, Sharon
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 52, No. 7, Ed. 1 Thursday, February 12, 1998
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
February 12, 1998
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 49, No. 2, Ed. 1 Thursday, January 12, 1995
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
January 12, 1995
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 60, No. 40, Ed. 1 Thursday, October 5, 2006
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
October 5, 2006
Creator:
Wisch, Rene & Wisch-Ray, Sharon
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Dallas, Tex.), Vol. 71, No. 44, Ed. 1 Thursday, November 2, 2017
Weekly Jewish newspaper from Dallas, Texas that includes local, state, and national news along with extensive advertising.
Date:
November 2, 2017
Creator:
Wisch-Ray, Sharon
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 49, No. 33, Ed. 1 Thursday, August 17, 1995
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state, and national news along with extensive advertising.
Date:
August 17, 1995
Creator:
Wisch, J. A. & Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
The Hebbronville News (Hebbronville, Tex.), Vol. 6, No. 11, Ed. 1 Wednesday, February 27, 1929
Weekly newspaper from Hebbronville, Texas that includes local, state, and national news along with advertising.
Date:
February 27, 1929
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History