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Articles 1 - 20 of 20
Full-Text Articles in Medicine and Health Sciences
Application Of Queuing Theory And Procedure Time Estimation In A Local Healthcare System, Galina Tsoy
Application Of Queuing Theory And Procedure Time Estimation In A Local Healthcare System, Galina Tsoy
Engineering Management & Systems Engineering Theses & Dissertations
People in the United States pay more for their basic healthcare needs than do people in any other nation in the world. When we consider that the United States is the wealthiest nation in the world, controlling the majority of the world's resources, it seems only reasonable to ask: Why should it be this way?
In an effort to address this problem, this thesis examines two possible methods of improving health care efficiency in hospitals. The thesis is thus in two parts: the first part examines resource allocation in medical units using Queuing Theory, and the second part examines a …
Effects Of Ultrasonic And Hand-Activated Scaling On Tactile Sensitivity In Second Year Dental Hygiene Students In A Clinical Setting, Miranda Beeson
Effects Of Ultrasonic And Hand-Activated Scaling On Tactile Sensitivity In Second Year Dental Hygiene Students In A Clinical Setting, Miranda Beeson
Dental Hygiene Theses & Dissertations
The purpose of this study was to determine if time spent instrumenting class III, IV, and V calculus clients, either hand-activated or with an ultrasonic scaler, decreased the tactile sensitivity of the clinician, and if change occurs in index finger, middle finger, and thumb tactile sensitivity prior to and following 45-minute scaling episodes. This study also afforded an opportunity to determine if tactile sensitivity changed in the same dental hygiene students over a one-year period of time by comparing data with that of a similar study conducted in the fall of 2002. Random assignment and a sample size of 25 …
The Ultrastructure Of The Olfactory System In Two Species Of Short-Tailed Shrews, Blarina Brevicauda And Blarina Carolinensis, Lisa Johnson Byrum
The Ultrastructure Of The Olfactory System In Two Species Of Short-Tailed Shrews, Blarina Brevicauda And Blarina Carolinensis, Lisa Johnson Byrum
Theses and Dissertations in Biomedical Sciences
Several studies of the fine structure of the olfactory system of rodents have been conducted, but very little research has been done on members of the Insectivora. The olfactory systems of the northern short-tailed shrew, Blarina brevicauda, and the southern short-tailed shrew, Blarina carolinensis, were examined by light and electron microscopy. These shrews were live trapped in the vicinity of Norfolk, Virginia throughout all months of the year. Olfactory tissues were processed following standard transmission and scanning electron microscopy protocols. The olfactory system structures investigated included the olfactory epitheliumlmucosa (OEM), main olfactory bulb (MOB), accessory olfactory bulb (AOB), …
The Effects Of Universal And Rotating Ultrasonic Inserts On Wrist Movement, Scaling Time Efficiency, And Cumulative Trauma Risk In Dental Hygienists, Christine Colavita Hawn
The Effects Of Universal And Rotating Ultrasonic Inserts On Wrist Movement, Scaling Time Efficiency, And Cumulative Trauma Risk In Dental Hygienists, Christine Colavita Hawn
Dental Hygiene Theses & Dissertations
The purpose of this study was to determine if differences existed in range of wrist movements and scaling time efficiency in dental hygienists that use a rotating ultrasonic insert as compared to those who use a standard universal insert. A convenience sample of 30 consenting experienced dental hygienists from the Norfolk area who met inclusion criteria was invited to be subjects. Using a crossover research design, each experimental subject used the rotating ultrasonic scaling insert to remove 2 cc artificial calculus from a typodont in a controlled, simulated clinical situation for up to 15 minutes. While scaling, each subject wore …
Ultrastructure Of Mycobacterium Marinum Granuloma In Striped Bass Morone Saxatilis, D. T. Gauthier, W. K. Vogelbein, C. A. Ottinger
Ultrastructure Of Mycobacterium Marinum Granuloma In Striped Bass Morone Saxatilis, D. T. Gauthier, W. K. Vogelbein, C. A. Ottinger
Biological Sciences Faculty Publications
An emerging epizootic of mycobacteriosis currently threatens striped bass Morone saxatilis populations in Chesapeake Bay, USA. Several species of mycobacteria, including Mycobacterium marinum, species resembling M. avium, M. gordonae, M. peregrinum, M. scrofulaceum and M. terrae, and the new species M. shottsii have been isolated from diseased and healthy bass. In this study, we describe the ultrastructure of developing M. marinum granulomas in experimentally infected bass over a period of 45 wk. The primary host response to injected mycobacteria was formation of large macrophage aggregations containing phagocytosed bacilli. M. marinum were always contained within phagosomes. Close …
How Many Slides? Documented Cytotechnologist Workload, Sophie K, Thompson, Eileen Mason
How Many Slides? Documented Cytotechnologist Workload, Sophie K, Thompson, Eileen Mason
Medical Diagnostics & Translational Sciences Faculty Publications
(First paragraph) This paper relays workload information obtained as part of an ergonomics survey.1 Data were obtained on the number of slides evaluated daily, workplace setting, hours worked, and demographic information.
Isolation And Characterization Of Mycobacteria From Striped Bass Morone Saxatilis From The Chesapeake Bay, Martha W. Rhodes, Howard Kator, Ilsa Kaattari, David Gauthier, Wolfgang Vogelbein, Christopher A. Ottinger
Isolation And Characterization Of Mycobacteria From Striped Bass Morone Saxatilis From The Chesapeake Bay, Martha W. Rhodes, Howard Kator, Ilsa Kaattari, David Gauthier, Wolfgang Vogelbein, Christopher A. Ottinger
Biological Sciences Faculty Publications
Mycobacteriosis in striped bass Morone saxatilisof Chesapeake Bay, USA, was first diagnosed in 1997 based on the presence of granulomatous inflammation and acid-fast bacteria in skin and spleen. To confirm histopathology, bacteriological detection and identification of mycobacteria were begun using splenic tissue from fish with and without skin ulcerations. On the basis of initial studies using a variety of selective and nonselective media, decontamination, homogenization and incubation conditions, a simple and quantitative recovery method using aseptic necropsy of splenic tissue was developed. Optimal recovery was obtained by spread-plating homogenates on Middlebrook 7H10 agar with incubation for 3 mo at …
Validation Of A New Method For Estimating Vo2max Based On Vo2 Reserve, David P. Swain, James A. Parrott, Anna R. Bennett, J. David Branch, Elizabeth A. Dowling
Validation Of A New Method For Estimating Vo2max Based On Vo2 Reserve, David P. Swain, James A. Parrott, Anna R. Bennett, J. David Branch, Elizabeth A. Dowling
Human Movement Sciences & Special Education Faculty Publications
Purpose: The American College of Sports Medicine's (ACSM) preferred method for estimating maximal oxygen consumption (V̇O2max) has been shown to overestimate V̇O2max, possibly due to the short length of the cycle ergometry stages. This study validates a new method that uses a final 6-min stage and that estimates V̇O2max from the relationship between heart rate reserve (HRR) and V̇O2 reserve. Methods: A cycle ergometry protocol was designed to elicit 65–75% HRR in the fifth and sixth minutes of the final stage. Maximal workload was estimated by dividing the workload of the final stage by …
Perspectives On Attention Deficit Hyperactivity Disorder: Executive Functions, Working Memory, And Language Disabilities, Carol Westby, Silvana Watson
Perspectives On Attention Deficit Hyperactivity Disorder: Executive Functions, Working Memory, And Language Disabilities, Carol Westby, Silvana Watson
Communication Disorders & Special Education Faculty Publications
The conceptualization of the nature of attention deficit hyper-activity disorder (ADHD) has changed in the last decade. ADHD is now viewed as a neurologically based condition with primary deficits in executive functions and working memory (WM). Students with ADHD have deficits in discourse organization, inferring, and monitoring that are related to their executive function and WM deficits. A large number of students with ADHD also have comorbid reading and language disabilities that exist in addition to the deficits directly associated with the ADHD. Comprehensive evaluation of students with ADHD is essential to address their specific learning needs
Increased Risk For Aplastic Anemia And Myelodysplastic Syndrome In Individuals Lacking Glutathione S-Transferase Genes, Joanne F. Sutton, Michael Stacey, William G. Kearns, Thomas S. Roeg, Neal S. Young, Johnson M. Liu
Increased Risk For Aplastic Anemia And Myelodysplastic Syndrome In Individuals Lacking Glutathione S-Transferase Genes, Joanne F. Sutton, Michael Stacey, William G. Kearns, Thomas S. Roeg, Neal S. Young, Johnson M. Liu
Bioelectrics Publications
BACKGROUND: Aplastic anemia (AA) and myelodysplastic syndrome (MDS) are marrow failure states that may be associated with chromosomal instability. An absence of the glutathione S-transferase (GST) enzyme may genetically predispose individuals to AA or MDS. PROCEDURE AND RESULTS: To test this hypothesis, we determined the GSTM1 and GSTT1 genotypes in a total of 196 patients using multiplex PCR. The GSTT1 null genotype was found to be overrepresented in Caucasian, Asian, and Hispanic patients with either AA or MDS. We confirmed a difference in the expected frequency of the GSTM1 null genotype in Caucasian MDS patients. The double null GSTM1/GSTT1 …
Cultural Adaptability Of Dental Hygiene Students In The United States: A Pilot Study, Katrina W. Magee, Michele L. Darby, Irene M. Connolly, Evelyn Thomson
Cultural Adaptability Of Dental Hygiene Students In The United States: A Pilot Study, Katrina W. Magee, Michele L. Darby, Irene M. Connolly, Evelyn Thomson
Dental Hygiene Faculty Publications
Dental hygiene students should prepare to competently provide services to culturally diverse patients; therefore, this study was conducted as a baseline to determine the cross-cultural adaptability of dental hygiene students. The sample consisted of 188 dental hygiene students attending four culturally diverse dental hygiene programs (N=108) and four non-culturally diverse dental hygiene programs (N=80). The culturally diverse programs randomly selected were located in the southwest, southeast and mid-Atlantic regions of the U.S., and the non-diverse programs were located in the northwest, northcentral, central, and southern regions of the U.S. Any dental hygiene program with students representing four of the five …
Comparisons Among Parent Reports And Self-Reports Of Sleep In Adhd And Normal School-Aged Children, Diana M. Turner-Eadie
Comparisons Among Parent Reports And Self-Reports Of Sleep In Adhd And Normal School-Aged Children, Diana M. Turner-Eadie
Psychology Theses & Dissertations
The objective of the study was to investigate whether school-aged children diagnosed with Attention-Deficit Hyperactivity Disorder (ADHD) experience greater sleep disturbance than do normally-developing children. Participants included 33 parents and their children with ADHD (mean age = 10.7 ± 1.7 years) and 33 parents and their children without ADHD (mean age = 10.7 ± 1.6 years). Both parents and their children completed sleep questionnaires developed to assess a number of sleep variables. Based on parental report, the Total Sleep Disturbance score was significantly greater for the ADHD group than for the comparison group. Parents indicated that children with ADHD had …
Phytoplankton Composition Within The Tidal Freshwater-Oligohaline Regions Of The Rappahannock And Pamunkey Rivers In Virginia, Harold G. Marshall, Lubomira Burchardt
Phytoplankton Composition Within The Tidal Freshwater-Oligohaline Regions Of The Rappahannock And Pamunkey Rivers In Virginia, Harold G. Marshall, Lubomira Burchardt
Biological Sciences Faculty Publications
The Rappahannock River is a major river system across north central Virginia prior to entering the Chesapeake Bay. In contrast, the Pamunkey River is smaller in size and joins the Mattoponi River to form the York River, which flows parallel to the Rappahannock before it also flows into Chesapeake Bay. A unique mixing area for both flora and environmental conditions exists in the tidal freshwater-oligohaline region of both rivers. This is a dynamic mixing section where freshwater and estuarine species are subject to the interaction of river flow and daily tidal rhythms. The phytoplankton composition in this region of the …
Dietary Supplements And Sports Performance: Introduction And Vitamins, Melvin H. Williams
Dietary Supplements And Sports Performance: Introduction And Vitamins, Melvin H. Williams
Human Movement Sciences & Special Education Faculty Publications
Sports success is dependent primarily on genetic endowment in athletes with morphologic, psychologic, physiologic and metabolic traits specific to performance characteristics vital to their sport. Such genetically-endowed athletes must also receive optimal training to increase physical power, enhance mental strength, and provide a mechanical advantage. However, athletes often attempt to go beyond training and use substances and techniques, often referred to as ergogenics, in attempts to gain a competitive advantage. Pharmacological agents, such as anabolic steroids and amphetamines, have been used in the past, but such practices by athletes have led to the establishment of anti-doping legislation and effective testing …
Effects Of 8 Weeks Of Flexibility And Resistance Training In Older Adults With Type 2 Diabetes, Matthew T. Herriot, Sheri R. Colberg, Henri K. Parson, Tanja Nunnold, Aaron I. Vinik
Effects Of 8 Weeks Of Flexibility And Resistance Training In Older Adults With Type 2 Diabetes, Matthew T. Herriot, Sheri R. Colberg, Henri K. Parson, Tanja Nunnold, Aaron I. Vinik
Human Movement Sciences & Special Education Faculty Publications
(First paragraph) Flexibility is often downplayed as unimportant to fitness. However, flexibility training is imperative to maintain full range of motion (ROM) of joints, particularly in individuals with type 2 diabetes, who may experience limited joint mobility due to glycation of joint structures (1). Maladies such as “frozen shoulder” are common complaints in type 2 diabetes (2).
Using Standardized Patients To Teach And Evaluate Nurse Practitioner Students On Cultural Competency, Carolyn M. Rutledge, Laurel Garzon, Micah Scott, Karen Karlowicz
Using Standardized Patients To Teach And Evaluate Nurse Practitioner Students On Cultural Competency, Carolyn M. Rutledge, Laurel Garzon, Micah Scott, Karen Karlowicz
Nursing Faculty Publications
With the increasing diversity in the American population, it is imperative that nurse practitioners learn to manage patients with varying healthcare beliefs and needs. In order to develop culturally competent nurse practitioners, a number of methods have been developed. Many of the current methods focus on improving the awareness and knowledge of nurse practitioners regarding diverse populations. However, very few of the current programs focus on improving the skills and increasing the encounters the students have with diverse populations. This paper focuses on providing nurse practitioner students with diverse encounters using culturally enhanced standardized patient scenarios. The standardized patient programs …
Making Tough Decisions, Karen A. Karlowicz
Making Tough Decisions, Karen A. Karlowicz
Nursing Faculty Publications
This article focuses on the aspect of critical thinking in making tough decisions in life. Advances in urology have resulted in a range of therapies for many urologic diseases and disorders. Patients need information about each treatment, and the time to fully consider the effect of a given therapy on their overall health. Keep in mind that patients who are empowered to make decisions about their health care are more likely to comply with the treatment plan. Likewise the author urges readers to use their critical thinking skills to solve the clinical problems they are confronted with daily.
Creating Individual Behavior Change Through 360-Degree Feedback: A Development Pipeline Perspective, Victoria Cole Stage
Creating Individual Behavior Change Through 360-Degree Feedback: A Development Pipeline Perspective, Victoria Cole Stage
Psychology Theses & Dissertations
Ensuring that individuals develop new and more productive behaviors on the job is a challenge for many organizations and a focus of time, effort, and energy spent on programs to facilitate this change. This research was an effort to validate and utilize a framework for understanding how efforts toward individual development are restricted. To do this, I used a new 360-degree feedback instrument called “Time 2 Change” that measures self, manager, direct report, and peer/colleague perceptions of change in the individual. This instrument also measures the individual's perceptions of development enablers, in a framework called a Development Pipeline. As a …
Pressure Ulcer Development And Prevention In Long-Term Care Facilities In Virginia: A Descriptive Survey, Audrey D. Arthur
Pressure Ulcer Development And Prevention In Long-Term Care Facilities In Virginia: A Descriptive Survey, Audrey D. Arthur
Community & Environmental Health Theses & Dissertations
The development of pressure ulcers is a common occurrence among older persons who may be temporarily immobilized or confined to a bed. An estimated 60,000 deaths annually can be attributed to complications from pressure ulcers. Guidelines recommended by the Agency for Health Care Policy and Research have been disseminated nationally and continue to be recommended as the standard of care for pressure ulcer prevention. In spite of the use of the recommended guidelines, pressure ulcer rates persist, suggesting there are other factors contributing to pressure ulcer development in long-term care facilities.
A survey was conducted to investigate which provider related …
Fitness Levels Of Middle Aged Martial Art Practitioners, P. Douris, A. Chinan, M. Gomez, A. Aw, D. Steffens, S. Weiss, J. Echternach
Fitness Levels Of Middle Aged Martial Art Practitioners, P. Douris, A. Chinan, M. Gomez, A. Aw, D. Steffens, S. Weiss, J. Echternach
Rehabilitation Sciences Faculty Publications
Objectives: To quantify and compare fitness levels of middle aged practitioners of soo bahk do (SBD; a Korean martial art similar to karate) with those of sedentary subjects.
Methods: Eighteen volunteers, 14 men and four women (aged 40-60 years), participated. Nine sedentary subjects (mean age 46.7 years) and nine SBD practitioners (mean age 46.8 years) were matched for sex and age. All subjects participated in a one day battery of fitness tests. The following dependent variables were tested: body composition, balance, flexibility, quadriceps strength, grip strength, muscle endurance, and aerobic capacity.
Results: All dependent variables were analysed using paired t …