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Articles 1 - 18 of 18
Full-Text Articles in Analytical, Diagnostic and Therapeutic Techniques and Equipment
Cancer Survivorship: Promoting A Lifetime Of Health, Janelle Coleman-Smith
Cancer Survivorship: Promoting A Lifetime Of Health, Janelle Coleman-Smith
Master's Projects and Capstones
Abstract
Introduction Cancer survivors can face post-cancer treatment effects that need addressing throughout their care trajectory. Education provided to stakeholders and patients will be beneficial in preventing fragmented care, increasing patient satisfaction, and expanding ongoing supportive clinical survivorship care. Methods An adapted Dr. Joanne Lester survivorship needs survey was given to n=7 post-cancer treatment patients within a northern California cancer patient advisory committee. The survey results were analyzed to identify common underserved chronic long-term survivorship needs. Based on the data, an evidence-based educational component was included within a booklet to enhance future survivorship care. Additional surveys were sent to stakeholders …
Retrieval Analysis Of Necropsy Total Hip Replacements: Considerations Beyond The Implant, Julie Alyse Lowell
Retrieval Analysis Of Necropsy Total Hip Replacements: Considerations Beyond The Implant, Julie Alyse Lowell
Theses and Dissertations (ETD)
Introduction. Total hip arthroplasty (THA) surgery is one of the most commonly performed and successful orthopedic procedures in the United States. More than 300,000 primary THAs and 40,000 revision THAs performed in the United States every year. While the need for revision surgeries can stem from a variety of causes, there have been, to the author’s knowledge, no studies attempting to correlate the concentrations of certain inflammatory cytokines to metal ion concentrations found in the tissue surrounding the implant, amount of polyethylene wear, or strength of the interface of the modular taper. The purpose of this study was to begin …
Evaluating The Therapeutic Efficacy Of Restoring Wild-Type P53 Activity In P53-Mutant Tumors, Connie A. Larsson
Evaluating The Therapeutic Efficacy Of Restoring Wild-Type P53 Activity In P53-Mutant Tumors, Connie A. Larsson
Dissertations & Theses (Open Access)
The p53 transcription factor is the most frequently altered in human cancers usually via missense mutations that undermine its transcriptional activity. Clinically, TP53 mutations have been shown to be remarkably predictive of refractoriness to treatment, resulting in poor outcome. Consequently, the development of p53 pathway activating agents is rapidly evolving and gaining more attention in cancer therapeutics research, with several small molecule compounds currently in preclinical and clinical trials. However, it remains largely unknown what types or proportions of p53-mutant tumors will respond to p53 restoration-based therapies.
Using a mouse model of Li Fraumeni syndrome, we genetically restored wild-type …
The Effects Of Continuous Insulin Pump Therapy On Glycemic Control In Pregnant Type 1 Diabetics, Kimberly Kelsey
The Effects Of Continuous Insulin Pump Therapy On Glycemic Control In Pregnant Type 1 Diabetics, Kimberly Kelsey
Senior Theses
Type 1 Diabetics have various ways of managing their diabetes that have been studied for their effectiveness. Pregnancy in the Type 1 Diabetic has been understudied. It is known that Diabetics in general have poorer pregnancy outcomes because of poor glycemic control. This coupled with the fact that the body needs 3-4 times more insulin as pregnancy comes to an end makes managing blood glucose levels challenging for diabetics (Lowdermilk, 2016, p. 689). For the Type 1 Diabetic, there are two main ways to control diabetes: multiple daily injections using at least two type of insulin and continuous subcutaneous insulin …
Memory Potential, Molecular Characterization, And Translational Applications Of The Novel Theo/Tceo T Cell Phenotype, Todd Bartkowiak, Todd Bartkowiak
Memory Potential, Molecular Characterization, And Translational Applications Of The Novel Theo/Tceo T Cell Phenotype, Todd Bartkowiak, Todd Bartkowiak
Dissertations & Theses (Open Access)
T cells comprise a substantial arm of the immune system and are exquisitely adapted to combat pathogens and tumors. The inflammatory environment largely dictates the nature of T cell response. A hallmark of T cell-mediated immunity is formation of immunological memory; the ability to respond more potently to re-encounter with pathogens. The immune system is also capable of recognizing tumors as foreign, much like viral or bacterial pathogens. Tumors have evolved, though, to generate an immunosuppressive environment to avoid destruction. The field of immunotherapy seeks to overcome immune suppression, in part by targeting T cell co-receptors on the cell surface …
Implementation Of An Innovative Early Warning System: Evidenced-Based Strategies For Ensuring System-Wide Nursing Adoption, Shirley S. Paulson
Implementation Of An Innovative Early Warning System: Evidenced-Based Strategies For Ensuring System-Wide Nursing Adoption, Shirley S. Paulson
Doctor of Nursing Practice (DNP) Projects
Early deterioration in adult medical-surgical patients is associated with increased intensive care unit and hospital mortality (Goldhill, 2001). Failure to recognize deterioration is a preventable patient safety and quality issue. To address this problem, since 2013, Kaiser Permanente Northern California (KP NCAL) has piloted Advance Alert Monitor (AAM) at two hospitals. This early warning system employs a set of predictive models developed by the KP NCAL Division of Research, which automatically predicts patient deterioration within the next 12 hours based on a complex algorithm of laboratory and clinical data points. Improvements in mortality and length of stay have been realized …
The Application Of Self-Administered Nutrition Screening Tools And Evaluations Of The Impact Of Malnutrition On Quality Of Life In Individuals With Head And Neck Cancer, Mark J. P. Lynch
Electronic Thesis and Dissertation Repository
Abstract
Background: Individuals with head and neck cancer (HNCa) are at an increased risk of malnutrition. Therefore, self-administered nutrition screens which attempt to address their nutritional concerns may yield benefits for treatment outcomes and quality of life (QOL).
Methods: 34 participants (26 men, 8 women) completed one demographic and two QOL surveys, two nutrition self-screening tools, a nutrition assessment and an ease-of-use questionnaire. Results of the screens were compared to those of the assessment, and relationships between QOL, nutrition status, and demographics were examined.
Results: 32.3% of participants were identified as nutritionally compromised. The sensitivity and specificity for the PG-SGA …
Improvements In Four-Dimensional And Dual Energy Computed Tomography, Rachael M. Martin
Improvements In Four-Dimensional And Dual Energy Computed Tomography, Rachael M. Martin
Dissertations & Theses (Open Access)
Dual energy and 4D computed tomography (CT) seek to address some of the limitations in traditional CT imaging. Dual energy CT, among other purposes, allows for the quantification and improved visualization of contrast materials, and 4D CT is often used in radiation therapy applications as it allows for the visualization and quantification of object motion. While much research has been done with these technologies, areas remain for potential improvement, both in preclinical and clinical settings, which will be explored in this dissertation. Preclinical dual energy cone-beam CT (CBCT) can benefit from wider separation between the peak energy of the two …
Biomechanical Testing Of An Exercise For Strengthening The Proximal Femur., Alyssa Osbourne
Biomechanical Testing Of An Exercise For Strengthening The Proximal Femur., Alyssa Osbourne
Electronic Theses and Dissertations
Based on the principles of cutting edge bone remodeling research, a unique therapeutic exercise device was designed specifically to improve bone quality at the most critical location of the proximal femur prone to fracture: the superior-lateral femoral neck where the fracture first initiates during a fall. The exercise/device is intended to work by inducing enough strain in the bone to stimulate the body’s natural bone remodeling mechanisms to increase bone density in the proximal femur and consequently prevent a fracture from arising if a fall to the side does occur.
In order to test the proposed exercise, experiments simulating the …
Mechanical Properties Of Retrieved Highly Cross-Linked Polyethylene Acetabular Liners In Total Hip Arthroplasty, Gurpreet Singh
Mechanical Properties Of Retrieved Highly Cross-Linked Polyethylene Acetabular Liners In Total Hip Arthroplasty, Gurpreet Singh
Electronic Thesis and Dissertation Repository
Highly cross-linked polyethylene (HXLPE) has replaced the conventional ultra-high-molecular-weight-polyethylene (UHMWPE) as the gold standard bearing surface in total hip arthroplasty (THA) due to superior wear characteristics and survivorship. However, HXLPE has demonstrated poorer mechanical properties, in vivo oxidation, and concerns of rim fractures. The purpose of this project was to study the mechanical properties at the rim of retrieved HXLPE acetabular liners.
We developed a simple technique for measurement of hardness at the rim of irradiated, remelted, HXLPE liners of a specific design. The effect of shelf time on mechanical properties of retrieved liners was determined and showed no correlation …
The Acquisition And Analysis Of Electroencephalogram Data For The Classification Of Benign Partial Epilepsy Of Childhood With Centrotemporal Spikes, Jessica A. Scarborough
The Acquisition And Analysis Of Electroencephalogram Data For The Classification Of Benign Partial Epilepsy Of Childhood With Centrotemporal Spikes, Jessica A. Scarborough
Master's Theses
In this thesis, I will expand upon each step in the process of acquiring and analyzing electroencephalogram (EEG) for the classification of benign childhood epilepsy with centrotemporal spikes. Despite huge advancements in the field of health informatics—natural language processing, machine learning, predictive modeling—there are significant barriers to the access of clinical data. These barriers include information blocking, privacy policy concerns, and a lack of stakeholder support. We will see that these roadblocks are all responsible for stunting biomedical research in some way, including my own experiences in acquiring the data for the second chapter of this thesis.
This second chapter …
Perceptions Of Ncaa Division I Baseball Pitchers On Treatment Modalities For Pitching Arm Health, Thomas Williams
Perceptions Of Ncaa Division I Baseball Pitchers On Treatment Modalities For Pitching Arm Health, Thomas Williams
Graduate Theses
Throwing athletes of all sports have similarities, even if the sport itself is very different. Throwing an object creates a great amount of stress on the body, particularly at the shoulder and the elbow. A baseball pitcher should train and compete in all three planes of movement-sagittal, frontal and transverse. Training for throwing athletes has two main goals: to increase throwing power and to reduce throwing injuries. Analyzing training habits of a throwing athlete includes an understanding of the modalities they perform in order to prevent potential injuries from occurring. Baseball pitchers are extremely susceptible to throwing injuries, and must …
Optical Imaging Of Metabolic Adaptability As A Biomarker For Metastatic Potential In Breast Cancer Cells, Mason G. Harper
Optical Imaging Of Metabolic Adaptability As A Biomarker For Metastatic Potential In Breast Cancer Cells, Mason G. Harper
Biomedical Engineering Undergraduate Honors Theses
Breast cancer metastasis is the main cause for mortality in breast cancer patients. However, knowledge of metastatic recurrence is limited, and there is a need to understand metastatic recurrence in order to treat breast cancer patients more effectively. Highly invasive metastatic breast cancer has shown to exhibit metabolic adaptability, transitioning from glycolysis to oxidative phosphorylation in the presence of microenvironmental stress. NADH and FAD are naturally occurring cofactor products during glycolysis and oxidative phosphorylation, respectively, and they are of particular importance during these metabolic processes due to their endogenous fluorescence. Measuring the ratio of fluorescence intensities of these cofactors through …
Developments In Pet-Mri For Radiotherapy Planning Applications, John Christian Patrick
Developments In Pet-Mri For Radiotherapy Planning Applications, John Christian Patrick
Electronic Thesis and Dissertation Repository
The hybridization of magnetic resonance imaging (MRI) and positron emission tomography (PET) provides the benefit of soft-tissue contrast and specific molecular information in a simultaneous acquisition. The applications of PET-MRI in radiotherapy are only starting to be realised. However, quantitative accuracy of PET relies on accurate attenuation correction (AC) of, not only the patient anatomy but also MRI hardware and current methods, which are prone to artefacts caused by dense materials. Quantitative accuracy of PET also relies on full characterization of patient motion during the scan. The simultaneity of PET-MRI makes it especially suited for motion correction. However, quality assurance …
Design Of Radio-Frequency Arrays For Ultra-High Field Mri, Ian R O Connell
Design Of Radio-Frequency Arrays For Ultra-High Field Mri, Ian R O Connell
Electronic Thesis and Dissertation Repository
Magnetic Resonance Imaging (MRI) is an indispensable, non-invasive diagnostic tool for the assessment of disease and function. As an investigational device, MRI has found routine use in both basic science research and medicine for both human and non-human subjects.
Due to the potential increase in spatial resolution, signal-to-noise ratio (SNR), and the ability to exploit novel tissue contrasts, the main magnetic field strength of human MRI scanners has steadily increased since inception. Beginning in the early 1980’s, 0.15 T human MRI scanners have steadily risen in main magnetic field strength with ultra-high field (UHF) 8 T MRI systems deemed to …
The [E]Motionless Body No Longer: Tracing The Historical Intersections Of Mental Illness And Movement In The American Asylum, Holly Adele Herzfeld
The [E]Motionless Body No Longer: Tracing The Historical Intersections Of Mental Illness And Movement In The American Asylum, Holly Adele Herzfeld
Senior Projects Spring 2017
Senior Project submitted to The Division of Multidisciplinary Studies of Bard College.
Thyroid Hormone As A Method Of Reducing Damage To Donor Hearts After Circulatory Arrest, William P. Adams
Thyroid Hormone As A Method Of Reducing Damage To Donor Hearts After Circulatory Arrest, William P. Adams
Theses and Dissertations
There is a chronic lack of donor hearts to meet the need for heart transplant both in the US and worldwide. Further, the use of available hearts is limited by the short period between collection and implantation during which the heart can be safely preserved ex vivo. Using mid-thermic Langendorff machine perfusion, we have been able to preserve the metabolic function of a healthy heart for up to 8 hours, twice the limit for current static cold storage. We have also been able to preserve the metabolic function of a damaged DCD Heart collected 30 minutes after cardiac arrest …
Validity And Reliability Of The Balance Tracking System™ During Static Stance, Cody L. Grotewold
Validity And Reliability Of The Balance Tracking System™ During Static Stance, Cody L. Grotewold
Electronic Theses and Dissertations
Introduction: The Balance Tracking System™ (BTrackS™) is a balance board designed to quickly analyze postural control through center of pressure (COP) analysis.
Purpose: Examine concurrent validity and test-retest reliability of the BTrackS™ during static stance.
Methods: A convenience sample of 51 healthy collegiate students between 18 - 25 years old (21.8 ± 3.1 years) completed four, 20 second (s) trials of feet together static stance during both eyes open and closed trials. Data was simultaneously collected on the BTrackS™ and a laboratory force plate to establish concurrent validity. A second testing session was administered 48 - 72 …