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Full-Text Articles in Medicine and Health Sciences

Influence Of Age On Auditory Gating, Ginny Marissa Smith Jun 2006

Influence Of Age On Auditory Gating, Ginny Marissa Smith

Theses and Dissertations

This study utilized paired tones at 1000 Hz with a 500 ms interpair interval and a 10 s interstimulus interval to assess sensory gating. Forty-two participants, ranging from 3-72 years of age were used to observe maturational changes in amplitude, latency, and suppression ratios of the P50 waveform. Previous research has shown that in normal adults the amplitude in response to the second of the paired tones is significantly suppressed compared to the amplitude in response to the first tone. The current study showed amplitude decreased with age to middle adulthood, where it increased slightly to later adulthood. Latencies decreased …


Forecasting Mental Health Care Cost For Oif And Oef Veterans, Phil Andrew L. Bernal Jun 2006

Forecasting Mental Health Care Cost For Oif And Oef Veterans, Phil Andrew L. Bernal

Theses and Dissertations

The war in Iraq has been the longest sustained ground combat that the US military has engaged since the Vietnam War. With the ongoing battle against the global war on terrorism, many military personnel will be deployed to hostile areas in support of these operations. The effects of multiple deployment and combat engagement on the mental health of military personnel have been extensively studied. The impacts of mental illnesses, such as PTSD, are tied to longer period in the combat zone. Meeting the psychiatric needs of these veterans will be costly: rehabilitation, retraining, post combat counseling, long-term medical treatment, and …


Hearing Health In Utah Special Olympics Athletes Compared To Special Olympics Athletes Worldwide: A Prevalence Study In Individuals With Intellectual Disabilities, Lisa Moses Mullins May 2006

Hearing Health In Utah Special Olympics Athletes Compared To Special Olympics Athletes Worldwide: A Prevalence Study In Individuals With Intellectual Disabilities, Lisa Moses Mullins

Theses and Dissertations

The Special Olympics Healthy Athletes initiative promotes wellness of the athletes with intellectual disabilities and education for medical professionals. Healthy Athletes has created a hearing screening program, Healthy Hearing, to help athletes with intellectual disabilities get the otological and audiological care they need. This program promotes a healthy hearing lifestyle and educates medical professionals regarding the need of health care for the intellectually disabled population. The physiologic, otologic, and audiologic abnormalities often occurring in the intellectually disabled population bring special attention for the need to determine the prevalence rate of hearing loss among the athletes participating in Special Olympics events. …


Automated Grammatical Analysis Of Language Samples From Spanish-Speaking Children Learning English, Nicole Redd Apr 2006

Automated Grammatical Analysis Of Language Samples From Spanish-Speaking Children Learning English, Nicole Redd

Theses and Dissertations

Research has demonstrated that automated grammatical tagging is fast and accurate for both English and Spanish child language, but there has been no research done regarding its accuracy with bilingual children. The present study examined this topic using English and Spanish language samples taken from 254 children living in the United States. The subjects included school-aged children enrolled in public schools in the United States in grades 2, 3, or 5. The present study found high automated grammatical tagging accuracy scores for both English (M = 96.4%) and Spanish (M = 96.8%). The study suggests that automated grammatical analysis has …


Development Of An Evaluation Methodology For Hazardous Waste Training Programs, Ryan A. Crowley Mar 2006

Development Of An Evaluation Methodology For Hazardous Waste Training Programs, Ryan A. Crowley

Theses and Dissertations

The Purpose of this research was to develop a methodology to measure hazardous waste training programs. The Air Force Material Command (AFMC) hazardous waste training program was used to conduct this research. To measure the effectiveness of AFMC's hazardous waste training program, the research attempted to answer four research questions. These questions addressed correlations between hazardous waste training programs and Environmental Compliance Assessment and Management Program (ECAMP) findings, the understanding personnel have of hazardous waste principles and concepts, the effectiveness of hazardous waste training courses, and how personnel feel about the hazardous waste training they are receiving. In addition, the …


The Relationship Between Social Behaviors And Working Memory In School-Age Children With Language Impairment, Melanie Diane Javid Mar 2006

The Relationship Between Social Behaviors And Working Memory In School-Age Children With Language Impairment, Melanie Diane Javid

Theses and Dissertations

Children with language impairment (LI) have notable social problems (Brinton & Fujiki, 2004). Research has shown that children with LI often have deficits in working memory (Kirchner & Klatsky, 1985; Stark, Poppen, & May, 1987). The relationship between working memory and social behaviors has not been clearly defined. This study examined this relationship in children with LI and typical age-matched peers by asking participants to repeat nine nonwords and correlating these results with social behaviors as rated by teachers. The Teacher Behavior Rating Scale (TBRS; Hart and Robinson, 1996) was used to compare social behaviors of 19 school-age children with …


A Meaning-Based Instruction To Enhance Literacy Learning In A Dual-Language Kindergarten Classroom, Megan Melissa Fife Mar 2006

A Meaning-Based Instruction To Enhance Literacy Learning In A Dual-Language Kindergarten Classroom, Megan Melissa Fife

Theses and Dissertations

Concerns among educators continue to grow with the increased enrollment of Second Language Learners (SLL) in classrooms throughout the United States. This influx has stressed the boundaries of current methods of literacy instruction, which are not designed to meet the needs of these at-risk students. Literacy instructional methods need to be remediated through early intervention, followed by effective literacy instruction that is designed to meet the specific needs of SLL. Effective literacy instruction overcomes differences in culture and background by using meaning-based instruction coupled with engaging and varied contexts. This study evaluated the effectiveness of incorporating meaning-based instructional activities into …


Analysis Of Patient Information: An Empirical Modeling Approach, Tony A. Murphy Mar 2006

Analysis Of Patient Information: An Empirical Modeling Approach, Tony A. Murphy

Theses and Dissertations

With rising costs and increasing complexities, many hospitals seek to better understand the intricate details of their operations. Increasingly, these organizations have a strong desire to accurately predict the resources required to effectively treat their patient load. This research investigates patient length-of-stay in a hospital neurological unit using an empirical modeling approach. Factors significantly affecting patient length of stay were identified and used to construct a regression model. The predictive model provides hospital decision makers with a compact tool to input what-if scenarios and predict future patient treatment lengths, thus, allowing the hospital to properly allocate resources.


Contemplating A New Model For Air Force Aerospace Medical Technician Skills Sustainment Training, Robert M. Corrigan Mar 2006

Contemplating A New Model For Air Force Aerospace Medical Technician Skills Sustainment Training, Robert M. Corrigan

Theses and Dissertations

Two decades ago, Aerospace Medical Technicians received robust skills sustainment training through exposure to multifaceted patient treatment environments. Available training environments included inpatient care, outpatient care, and emergency services. This diverse training environment made possible through large operating budgets and an extraordinary infrastructure could not last. Today (after five separate base closure and realignment initiatives), medical funding and infrastructure is but a shadow of what it once was. Budget constraints and the rising cost of healthcare have necessitated a purposeful movement away from inpatient and emergency care, toward outpatient and preventative medicine. Although changes in Air Force health care delivery …


Dual Regulation Of Telomerase Activity By Hsf1 And Its Role In Prostate Cancer Progression, Keith Douglas Ostergaard Jensen Jan 2006

Dual Regulation Of Telomerase Activity By Hsf1 And Its Role In Prostate Cancer Progression, Keith Douglas Ostergaard Jensen

Theses and Dissertations

It has been shown that the key components of the hsp90 chaperone complex, including hsp90, p23, hsp70, hsp40, and HOP (p60), associate with telomerase; however, their specific roles in telomerase function and tumor progression have not yet been defined. HSF1, the primary mammalian heat shock protein transcription factor, may affect telomerase activity and transformation by regulating the expression of several hsp90 chaperone complex proteins in response to stress as well as regulating the transcription of hTERT, the protein subunit of telomerase.In our in vitro model of prostate cancer progression, as cells progress from immortal but non-tumorigenic (P69) to tumorigenic (M2182) …


Interspecies Pharmacokinetic Scaling And Metabolism Of Alcohols And Glycols, Pankaj Gupta Jan 2006

Interspecies Pharmacokinetic Scaling And Metabolism Of Alcohols And Glycols, Pankaj Gupta

Theses and Dissertations

Background: Despite the numerous pharmaceutical applications of alcohols andglycols, the interspecies differences with respect to their pharmacokinetics (PK) arepoorly understood. The aim of this research was to use in-vivo and in-vitro approaches to compare and model the PK characteristics across various species.Methods: Appropriate published in-vivo studies (in different species) foralcohols and glycols were carefully selected. PK analysis was performed using (a) noncompartmental analysis and (b) compartmental modeling to estimate relevant dose-independent PK parameters. Next, six alcohols (methanol, ethanol, 1 -propanol, 1 -butanol, 1-hexanol, and 1-octanol), two glycols (ethylene glycol and propylene glycol)and one secondary alcohol (2-propanol) were examined as in-vitro …


Use Of Quantitative Admissions Data To Predict Academic And Licensure Examination Performance Among Physical Therapist Students, Ralph Russell Utzman Jan 2006

Use Of Quantitative Admissions Data To Predict Academic And Licensure Examination Performance Among Physical Therapist Students, Ralph Russell Utzman

Theses and Dissertations

Professional physical therapist education programs use a variety of measures of academic performance, aptitude, and interpersonal skills when selecting students for admission. Grade point averages (GPA) and scores on standardized tests, such as the Graduate Record Examination (GRE), are commonly used quantitative measures. The purpose of this study was to investigate the utility of these measures in predicting which physical therapist students will encounter difficulty in the academic program or in passing the National Physical Therapist Examination (NPTE). This study used a retrospective longitudinal design. A nationally representative sample of 20 programs was drawn from the population of physical therapist …


Examining The Progression Of Disability Benefits Among Employees In The United States, Carolyn E. Danczyk-Hawley Jan 2006

Examining The Progression Of Disability Benefits Among Employees In The United States, Carolyn E. Danczyk-Hawley

Theses and Dissertations

The following project is a compilation of three separate articles all utilizing a database extracted from the UNUM/Provident Life Insurance Company, including all consecutive short-term disability (STD) claims filed with UNUM from January 1, 1994 to December 31, 1996 from claimants who were also insured for long-term disability (LTD) by UNUM. The resulting sample includes 77,297 claims.The results of these studies are part of a larger investigation that documented the Progression of Disability Benefits (PODB) phenomenon. PODB refers to the migration of workers with work-limiting disabilities through a system of economic benefits resulting in their placement onto Social Security Disability …


The Prevalence Of The Need For Esthetic Crown Lengthening In Post Orthodontically Treated Subjects, Bryan Marc Konikoff Jan 2006

The Prevalence Of The Need For Esthetic Crown Lengthening In Post Orthodontically Treated Subjects, Bryan Marc Konikoff

Theses and Dissertations

Prevalence information on excessive gingival display in post-orthodontic patients is limited. By studying one aspect, namely the size relationship of the clinical crowns of teeth, in an orthodontic population, we can begin to quantify their need for periodontal plastic surgery. In this two part study, 200 plaster models were used as subjects, followed by a clinical exam of 31 of those subjects. These models represented patients before and directly after orthodontic therapy, and the Part 2 clinical exams were performed at least five years later. The lengths and widths of the six anterior teeth were measured and these values were …


Single Nucleotide Polymorphisms In The Folypoly-Gamma-Glutamate Synthetase Gene, Nadine Thompson Jan 2006

Single Nucleotide Polymorphisms In The Folypoly-Gamma-Glutamate Synthetase Gene, Nadine Thompson

Theses and Dissertations

Folic acid is an essential vitamin utilized in the one-carbon metabolism pathway for the synthesis of purine and thymidine nucleotides, which are necessary for cell growth and proliferation. As a result, the enzymes that participate in the metabolism of folic acid have been good targets for cancer chemotherapy. Folylpoly-γ-glutamate synthetase (FPGS) is an enzyme in the folate metabolism pathway that catalyzes the addition of glutamic acid to the naturally occurring folates, thereby allowing the retention of folate cofactors in cells. Similarly, in the case of cancer chemotherapy, antifolates, such as Lometrexol and Tomudex are retained in cells through the activity …


Lack Of Knowledge Of Mother-To-Child Transmission In Kenya Among Women Ages 15-49, Nisha Warrier Jan 2006

Lack Of Knowledge Of Mother-To-Child Transmission In Kenya Among Women Ages 15-49, Nisha Warrier

Theses and Dissertations

Purpose: The epidemic of mother-to-child transmission (MTCT) of HIV/AIDS in resource-poor countries is dramatic; it is responsible for nearly 90% of childhood infections. The primary purpose of analysis was to understand the distribution of factors and their association with lack of knowledge of MTCT in Kenya. In parallel, another aim was to identify the relationship between media, particularly frequency of radio exposure, and lack of knowledge.Methods: This study used the 2003 Kenya Demographic and Health Survey (DHS) collected for 8,195 women, ages 15-49. Descriptive analysis, univariate analysis, and logistic regression were completed on SPSS 14 software.Results: In the sample, 1151 …


Relationship Between Cb1 And S1p Receptors In The Central Nervous System, Lauren Michele Collier Jan 2006

Relationship Between Cb1 And S1p Receptors In The Central Nervous System, Lauren Michele Collier

Theses and Dissertations

There is significant sequence homology and anatomical co-distribution between cannabinoid (CB1) and sphingosine-1-phosphate (S1P) receptors in the CNS, but potential functional relationships between these lysolipid receptors have not been examined. Therefore, to investigate possible relationships between these two systems at the level of G-protein activation, agonist-stimulated [35S]GTPγS binding and autoradiography were conducted. Autoradiographic studies were first performed to localize receptor-mediated G-protein activation in mouse brain. Coronal brain slices were processed for stimulation of [35S]GTPγS binding using the synthetic cannabinoid agonist WIN 55,212-2 (WIN) or SIP. High levels of WIN- and S1P-stimulated [35S]GTPγS binding were observed in the caudate putamen, hippocampus, …


Factors Associated With The Provision Of Coronary Heart Disease Preventive Careservices, Patricia Carcaise-Edinboro Jan 2006

Factors Associated With The Provision Of Coronary Heart Disease Preventive Careservices, Patricia Carcaise-Edinboro

Theses and Dissertations

The Anderson and Aday access framework (1974) is utilized to investigate the association of individual and community level, predisposing, socio-demographic, and enabling factors, on potential and realized access to coronary heart disease (CHD) preventive care. The cross-sectional study is based on a sample of adults age 18-85 from the Medical Expenditure Panel Survey (MEPS) who were identified with CHD risk or who had a CHD diagnosis.Variables from the MEPS and the Area Resource File (ARF) are used to test logistic regression models for dependent variables measuring primary and secondary CHD preventive care services. The primary preventive care measures include blood …


The Corbett Pain Scale: A Multidimensional Pain Scale For Adult Intensive Care Patients, Gina M. Corbett Jan 2006

The Corbett Pain Scale: A Multidimensional Pain Scale For Adult Intensive Care Patients, Gina M. Corbett

Theses and Dissertations

There are no reliable tools that evaluate pain in adult critical care patients who cannot communicate as a result of sedation or illness. This was an observational study in which postoperative cardiothoracic intensive care patients were assessed for pain using both the newly devised Corbett Pain Scale (CPS) and the Numerical Pain Scale (NPS). The CPS was evaluated for content validity, criterion validity, construct validity, test re-test reliability and internal consistency. Thirteen male and seven female patients (n=20) were enrolled and underwent a maximum of five pain assessments each. The mean total scores of the CPS (.740, SD+1.03) and the …


Factors Associated With Hospital Commitment To Provide Child/Adolescent Psychiatric Services, Lea Anne Gardner Jan 2006

Factors Associated With Hospital Commitment To Provide Child/Adolescent Psychiatric Services, Lea Anne Gardner

Theses and Dissertations

General acute care hospitals play a particularly important role in the delivery of children's mental health given the extant lack of alternatives to long term hospitals for patients requiring a restrictive treatment environment (Glied and Cuellar, 2003). This cross-sectional study identifies environmental and organizational factors associated with general acute care and children's hospitals in the United States that provide hospital-based child/adolescent psychiatric services and the number of services. Two macro-level theories, Resource Dependence Theory and Institutional Theory were used to identify environmental and organizational factors. A nationwide sample of hospitals was drawn from the 2003 AHA annual survey. Data from …


Assessing Epidermal Growth Factor Expression In The Rodent Hippocampus Following Traumatic Brain Injury, Janice Mabutas Daus Jan 2006

Assessing Epidermal Growth Factor Expression In The Rodent Hippocampus Following Traumatic Brain Injury, Janice Mabutas Daus

Theses and Dissertations

Hippocampal neurons are vulnerable to injury, as indicated by the prevalence of learning and memory deficits following traumatic brain injury. Research indicates that proliferation of neural precursor cells increases following brain injury, which implies that there is an endogenous response in the hippocampus to replenish neurons and restore cognitive function. Studies show that mitogenic growth factors may drive this proliferative response; one of which is epidermal growth factor. Because adults and the elderly manifest the most enduring deficits following TBI, it is critical to investigate how EGF expression following injury may relate to injury-induced cell proliferation and the degree of …


The Effect Of Silencing The Wilms' Tumor 1 Gene On The Radiation Sensitivity Of Glioblastoma Cells, Dana C. Chan Jan 2006

The Effect Of Silencing The Wilms' Tumor 1 Gene On The Radiation Sensitivity Of Glioblastoma Cells, Dana C. Chan

Theses and Dissertations

Glioblastomas are among the most devastating of human cancers with a median survival of only 9-12 months. This type of brain tumor is incurable, largely due its remarkable proliferative capacity and resistance to current treatments. High levels of the Wilms' Tumor 1 (WTI) gene have been identified in glioblastomas, suggesting an oncogenic function. Moreover, known WT1 target genes have been implicated in resistance to radiation. To determine the role of WT1 in radiation resistance, two glioblastoma cell lines expressing WT1 were treated with siRNAs to silence this gene. Confirmation of WT1 knockdown was achieved through real-time PCR and Western blot. …


Serum Anti-Phosphorylcholine And Anti-Cardiolipin Concentrations Following Periodontal Scaling And Root Planing, Reve W. Chaston Jan 2006

Serum Anti-Phosphorylcholine And Anti-Cardiolipin Concentrations Following Periodontal Scaling And Root Planing, Reve W. Chaston

Theses and Dissertations

Atherosclerosis is an insidious disease with serious morbidity and mortality including ischemic heart disease, stroke, and myocardial infarction. This condition is progressive and can start early in life eventually leading to large plaques and arterial occlusion. Two key components of this process are the immune system and lipids; in particular, LDL which accumulates within the arterial walls and macrophages which recognize and engulf oxidized-LDL (oxLDL) to form foam cells. Knowing that certain antibodies directed against bacterial antigens such as phosphorylcholine (PC) and cardiolipin (CL) show opsonizing cross-reactivity with oxLDL it can be proposed that there is a link between immune …


Health Promoting Lifestyle And Quality Of Life In Patients With Chronic Obstructive Pulmonary Disease, Saichol Janwijit Jan 2006

Health Promoting Lifestyle And Quality Of Life In Patients With Chronic Obstructive Pulmonary Disease, Saichol Janwijit

Theses and Dissertations

Chronic obstructive pulmonary disease (COPD) has a severe impact on quality of life (QOL). Using the Health Promotion Model as a guide, a cross-sectional, correlational design was used to describe relationships among individual characteristics and experiences (age, gender, race, severity of illness, resilience), behavior-specific cognitions and affect (self-efficacy, barriers, social support), behavioral outcomes (health promoting lifestyle), and QOL in this patient population. One hundred and twenty participants were recruited from three clinics at Virginia Commonwealth University Health System. In addition to a demographic survey, participants completed a 151-item questionnaire incorporating measures resilience, severity of illness, self-efficacy, and barriers to a …


Factors Influencing Health Status In Community-Dwelling Older Adults, Janet Jestina Byam-Williams Jan 2006

Factors Influencing Health Status In Community-Dwelling Older Adults, Janet Jestina Byam-Williams

Theses and Dissertations

This descriptive, correlational study was based on Pender's Health Promotion Model (Pender, Murdaugh, & Parsons, 2002). The purpose was to examine factors influencing health status in community-dwelling, older white and black adults. The following research question was addressed by the study: What are the relationships among the individual characteristics (age, gender, race, education, and income); the behavior-specific cognitions and affect (perceived self-efficacy, perceived barriers, and interpersonal influences); and the behavioral outcomes (health-promoting behaviors), and health status in community-dwelling whites and blacks 65 years of age and older? The convenience sample of 113 participants from four congregate meal sites in Central …


Factors Associated With High Sexual Risk Behavior In Single Women, Thomas B. M. Leecost Jan 2006

Factors Associated With High Sexual Risk Behavior In Single Women, Thomas B. M. Leecost

Theses and Dissertations

Objective: This study was to identify factors associated with High Sexual Risk Behavior (HSRB) in single Afro American women seen in an Epidemiology/Sexual transmitted disease (EPID/STD) Clinic in Richmond, Virginia from January 2006 through April 2006.Method: Participants were 154 single women (no history of marriage) between the ages of 18-30 visiting the EPID/STD clinic for the first time.Demographic information was obtained from their records. A volunteer interview was given that contained 101 variables to evaluate for High Sexual Risk Behavior (HSRB). HSRB was defined to response 'yes' to the question, "During the past 3 months did you have sex with …


Functional Redistribution Of Hippocampal Cannabinoid Cb1 Receptors In The Rat Pilocarpine Model Of Acquired Epilepsy, Katherine Winslow Falenski Jan 2006

Functional Redistribution Of Hippocampal Cannabinoid Cb1 Receptors In The Rat Pilocarpine Model Of Acquired Epilepsy, Katherine Winslow Falenski

Theses and Dissertations

Cannabinoids, such as the marijuana derivative Δ9-THC, are known to have CBl receptor-mediated anticonvulsant effects in several animal models of seizures and epilepsy, including the rat pilocarpine model of acquired epilepsy. However, the distribution of CBl receptor expression and function in brains of epileptic rats has not been characterized. Therefore, this dissertation was initiated to evaluate the effect of epileptogenesis on the distribution and function of the endogenous CBI receptor system in the rat pilocarpine model, a well-established model of acquired temporal lobe epilepsy. Using immunohistochemistry, we demonstrated that chronically epileptic rats exhibit a unique, long-term, and specific redistribution of …


The Life Pattern Of People With Spinal Cord Injury, Ronald R. Alligood Ii Jan 2006

The Life Pattern Of People With Spinal Cord Injury, Ronald R. Alligood Ii

Theses and Dissertations

This aim of this study was to answer the research question: "What is the Life Pattern of the Person with Spinal Cord Injury?" The unitary appreciative inquiry design, which has conceptualized through Rogers' (1986) science of unitary human beings, provided an approach for understanding the phenomenon in the context of human wholeness. The data, obtained through the methodology of unitary appreciative inquiry, led to the development of individual synopses for each of the participants. Once the synopses were completed, a composite pattern profile was constructed by the researcher that was indicative of the life pattern of people with spinal cord …


The Anti-Plaque Efficacy Of Listerine® Used In Combination With Toothbrushing In Orthodontic Patients, Zachary A. Casagrande Jan 2006

The Anti-Plaque Efficacy Of Listerine® Used In Combination With Toothbrushing In Orthodontic Patients, Zachary A. Casagrande

Theses and Dissertations

The bactericidal efficacy of Listerine®, the essential oil-containing mouthrinse, has long been recognized. The purpose of this study was to determine whether Listerine® mouthrinse, when added to the standard oral hygiene regimen, had an added benefit in reducing plaque and gingivitis development in orthodontic patients over a six-month period. 50 orthodontic patients from the Virginia Commonwealth University Department of Orthodontics were assigned either to the brushing + flossing (N= 25) or brushing + flossing + Listerine® (N = 25) group. At baseline (TI), measurements for the Ramfjord teeth were recorded for the gingival index, plaque index and bleeding index. Subsequent …


Southeast Asian Immigrant Women's Perspectives On Domestic Violence, Pataporn Saengkhiew Jan 2006

Southeast Asian Immigrant Women's Perspectives On Domestic Violence, Pataporn Saengkhiew

Theses and Dissertations

This study addresses the question, "What is the lived experience of Southeast Asian immigrant women who live in the United States related to domestic violence, including the relationships with their partners, their knowledge of domestic violence, and the existence of domestic violence in the Asian community?" Fourteen Thai women engaged in semistructured interviews during which they were asked to describe their experience. This study chose the phenomenological approach, using content analysis that identified six major themes representing essential aspects of the experience, as described by the participants: (a) Knowledge about Domestic Violence and Sources of Information, (b) The experience of …