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Articles 1 - 19 of 19
Full-Text Articles in Medicine and Health Sciences
Exploring The Quality Performance Of Ethno-Specific And Mainstream Not-For-Profit Long-Term Care Homes In Ontario, Lanei Amein
Exploring The Quality Performance Of Ethno-Specific And Mainstream Not-For-Profit Long-Term Care Homes In Ontario, Lanei Amein
Electronic Thesis and Dissertation Repository
The purpose of this retrospective study was to determine how ethno-specific not-for-profit long-term care (LTC) homes in Ontario perform in comparison to mainstream not-for-profit LTC homes using nine RAI-MDS 2.0 quality indicators. Publicly available data from three sources: the Canadian Institute for Health Information "Your Health System: In Depth" database from the Continuing Care Reporting System, data on Ontario ethno-specific not-for-profit LTC homes from the Home and Community Care Support Services, and data on home and ownership records from the Ministry of Long-Term Care “Public Reporting” website, between 2017-2022, were retrieved and analyzed. Descriptive analysis suggests that for all quality …
Optimizing The Management Of Anterior Monteggia Fractures: A Biomechanical Evaluation Of Treatment Options, Kirk D. Vannitamby
Optimizing The Management Of Anterior Monteggia Fractures: A Biomechanical Evaluation Of Treatment Options, Kirk D. Vannitamby
Electronic Thesis and Dissertation Repository
Anterior Monteggia injuries are frequently complicated by persistent radial head instability and suboptimal outcomes. Using a cadaveric elbow motion simulator, we quantified the contributions of ligaments of the proximal radius on maintaining radial head stability, evaluated the effectiveness of ulnar overcorrection to create an apex dorsal angulation in stabilizing the radiocapitellar joint, and finally compared the stabilizing effect of annular ligament repair to three different reconstruction techniques. Our results showed increased anterior radial head translation with progressive soft tissue sectioning with the annular ligament as the primary stabilizer. Ulnar overcorrection and forearm pronation were shown to decrease anterior translation of …
Older Adolescent Perspectives On The Use Of Research Within Online Communities, Ahrrabie Thirunavukkarasu
Older Adolescent Perspectives On The Use Of Research Within Online Communities, Ahrrabie Thirunavukkarasu
Electronic Thesis and Dissertation Repository
This study explores the attitudes of older adolescents (aged 16 to 19) regarding researchers collecting personal information from Social Networking Sites (SNSs) through passive observation to support Non-Suicidal Self-Injury (NSSI) research. The aim of this study is to add to the ongoing discourse in the scientific community, by providing a unique perspective on how researchers can uphold ethical conduct throughout their research process. This study adopts a mixed-methods approach and incorporates a QualtricsXM survey and online focus groups (FGs). The findings reveal that participants have reservations toward passive, hidden observational researchers. Despite their concerns, participants support researchers using their …
Examining Fragility Of Health Systems In Afghanistan: Development And Application Of A Theoretical Framework For Fragile Health Systems, Faiza Rab
Electronic Thesis and Dissertation Repository
Globally, health systems face destabilization amidst conflicts and natural disasters, adversely affecting populations' well-being. Understanding domains of health system fragility remains a gap in literature, hampering effective mitigation. In protracted conflict, Afghanistan's health system offers a crucial case for studying health system fragility. This research aimed to bridge gaps in comprehending health system fragility, with research questions:
1. What is the conceptual understanding of the fragility of health systems and its relationship with resilience, and how can it be applied in Afghanistan?
2. Did the introduction of female health workers to support Maternal, Neonatal, and Child Health service delivery by …
Chest Computed Tomography And Magnetic Resonance Imaging Texture Measurements Of Chronic Obstructive Pulmonary Disease, Maksym Sharma
Chest Computed Tomography And Magnetic Resonance Imaging Texture Measurements Of Chronic Obstructive Pulmonary Disease, Maksym Sharma
Electronic Thesis and Dissertation Repository
Pulmonary imaging using computed tomography (CT) and magnetic resonance imaging (MRI) provide a method to measure airway and parenchymal pathologic information that cannot be provided using spirometry. Currently, it remains difficult to predict which chronic obstructive pulmonary disease (COPD) patients will worsen using spirometry, which although safe and inexpensive, does not provide small airway information where COPD is believed to initiate. Quantitative CT and MRI measurements provide regional structure and function information but are not included in mortality risk assessments, prognosis, or COPD staging. Therefore, my overarching hypothesis is that CT and MRI ventilation texture measurements combined with machine learning …
The Together Study: Exploring The Relationship Between Ontario Undergraduate University Students’ Levels Of Resilience And Their Experiences Of Diversity And Inclusion, Manvir Ahluwalia
Electronic Thesis and Dissertation Repository
This study’s primary purpose was to assess, quantitatively, the relationship between Ontario undergraduates’ levels of resilience and experiences of diversity and inclusion, and to identify demographic factors most associated with these outcomes. The secondary purpose was to explore, qualitatively, students’ experiences of diversity and inclusion and their perspectives on how these experiences influenced their resilience. Demographic questions, three scales, and (focus group and individual) interviews were used. Undergraduates (n = 276) from 19 Ontario universities completed the survey. Pearson’s correlation revealed a positive relationship between resilience and experiences of diversity and feelings of inclusion. Demographics indicative of equity-deserving group …
Resolving The Longitudinal Triglyceride Phenotype Of Heterozygous Lpl And Apo A-V Deficiency, Shehan D. Perera
Resolving The Longitudinal Triglyceride Phenotype Of Heterozygous Lpl And Apo A-V Deficiency, Shehan D. Perera
Electronic Thesis and Dissertation Repository
Hypertriglyceridemia (HTG) is a risk factor for cardiovascular disease. However, only the triglyceride (TG) phenotype produced by biallelic loss-of-function (LOF) variants in the canonical TG metabolism genes is well understood. The TG phenotype produced by monoallelic LOF variants is poorly understood. We aimed to evaluate the TG phenotype associated with monoallelic LOF variants in the canonical TG metabolism genes.
Next-generation sequencing panel was employed to identify patients heterozygous for LOF variants in two of the canonical TG metabolism genes LPL and APOA5, followed by chart review to determine baseline and longitudinal TG phenotype in these patients.
My findings suggest …
Structure And Function Of Long-Covid Evaluated Using Pulmonary Imaging, Harkiran Kaur Kooner
Structure And Function Of Long-Covid Evaluated Using Pulmonary Imaging, Harkiran Kaur Kooner
Electronic Thesis and Dissertation Repository
The COVID-19 pandemic has resulted in millions of global respiratory infections, ranging in severity from asymptomatic to fatal. One of the many consequences of the pandemic is the emergence of long-COVID, which is an umbrella term used to describe the long-term sequelae and poor quality-of-life following recovery from acute COVID-19 infection. However, the pathophysiology and mechanisms responsible for the heterogenous manifestation of long-COVID remain poorly understood. Hyperpolarized 129Xe magnetic resonance imaging (MRI) provides a non-invasive and radiation-free method to regionally visualize and quantify inhaled gas distribution and ventilation in vivo. A strong foundation for the use of pulmonary …
Voice: Exploring The Experiences Of University Students Who Have Experienced Gender-Based Violence, Rabani Nagra
Voice: Exploring The Experiences Of University Students Who Have Experienced Gender-Based Violence, Rabani Nagra
Electronic Thesis and Dissertation Repository
Introduction: The occurrence and severity of gender-based violence (GBV) on Canadian higher education campuses has been a concern for decades. In September 2021, there were multiple reports of GBV at several Canadian universities with Western University being an exceptional case. The goal of this study was to explore: (1) the experiences of students who have experienced GBV during their enrollment at Western University; (2) the impact of GBV on students’ academics; and (3) student knowledge and experience with GBV resources.
Methods: This cross-sectional, qualitative study used an interpretive description framework and dialogue maps, underpinned by intersectionality. Seventeen undergraduate students were …
Sociodemographic Determinants Of Potentially Avoidable Hospitalizations Due To Ambulatory Care Sensitive Conditions Among Hospitalized Patients In The United States, Munira Kashem
Electronic Thesis and Dissertation Repository
Social determinants of health play a crucial role in explaining the variation of potentially avoidable hospitalizations (PAH) due to Ambulatory Care Sensitive Conditions (ACSCs). Utilizing data from the National Inpatient Sample from 2018 to 2020 in the United States, this study conducted retrospective cohort analyses to explore the relationships between sociodemographic factors, specifically income, race, geography, age, and sex and PAH. Our approach used multilevel logistic regression models to adjust for potential confounders and account for clustering of admissions within hospitals. Of the 17,629,891 hospital admissions examined in this study, 1,868,609 (10.6%) were attributable to ACSCs. Our results indicate that …
The Development And Testing Of A Gyroscope-Based Neck Strengthening Rehabilitation Device, Nicole D. Devos
The Development And Testing Of A Gyroscope-Based Neck Strengthening Rehabilitation Device, Nicole D. Devos
Electronic Thesis and Dissertation Repository
Neck pain can be debilitating, and is experienced by the majority of people at some point over the course of their life. Resistance training has been shown to have significant improvement in pain or disability for patients. There are few options available for telerehabilitation, and the use of gyroscope stabilizers is proposed for this use. A biomechanics model of a head--neck--gyroscope system was created. In order to also model the dynamics of such a system, this work proposes a blended method using the Denavit--Hartenberg (DH) convention, popular in the field of robotics, with the Lagrangian mechanics approach to analyze an …
Concussion-Related Symptomatology And Outcomes In Individuals With Mental Health Conditions: Symptom Number And Severity, Balance Performance, And Time Course To Discharge, Kathryn J. Schulze
Concussion-Related Symptomatology And Outcomes In Individuals With Mental Health Conditions: Symptom Number And Severity, Balance Performance, And Time Course To Discharge, Kathryn J. Schulze
Electronic Thesis and Dissertation Repository
Symptomatology can overlap between concussions and common mental health conditions (MHCs) – such as anxiety, depression, and attention-deficit/hyperactivity disorder. Research determined that there can be an onset of new or worsening symptoms related to pre-existing MHCs in individuals post-concussion. Pre-existing MHCs may affect concussion outcomes. Therefore, the relationship between pre-existing MHCs and concussions was further examined. Study One examined the difference in symptom severity and number of symptoms reported at the initial clinical assessment for concussion for individuals with and without a pre-existing MHC. A chart review determined that individuals with anxiety or multiple MHCs had significantly more concussion symptoms …
The Signs And Symptoms Of Discogenic Low Back Pain, Joe J. Putos
The Signs And Symptoms Of Discogenic Low Back Pain, Joe J. Putos
Electronic Thesis and Dissertation Repository
The signs and symptoms of low back pain (LBP) associated with disc herniation (DLBP) and its underlying mechanism(s) are not well supported. One theory proposes that some low back pain (LBP) is the result of a disc herniation compressing adjacent tissues innervated with nociceptors. The theory proposes that spinal manipulation (SM) and/or mobilizations (SMOB) can reduce the size and position of the herniation, and relieve pain and improve range of motion. There is no research to support or negate the theory even though clinical evidence supports its plausibility.
In this three-part study we examined clinical practices that have an anecdotal …
Physiotherapists Description Of Patient-Centered Care, And Barriers And Facilitators Experienced To Implementation, Maclean Jordan
Physiotherapists Description Of Patient-Centered Care, And Barriers And Facilitators Experienced To Implementation, Maclean Jordan
Electronic Thesis and Dissertation Repository
Patient-centered care (PCC) is a growing standard for healthcare delivery due to the benefits to patient autonomy. Lacking a cohesive definition in the physiotherapy literature, it is also lacking in implementation. Employing interpretive description with semi-structured interviews, the goal was to understand how physiotherapists drawn from private for-profit clinics in Canada describe PCC, and barriers and facilitators to providing it. Results included requiring person-centered communication in PCC, seeing Health holistically, centering the patient in care, and being a skill that becomes clearer with practice experience. Barriers included: lack of practitioner reflexivity, patient not desiring self-directed care, and limited access to …
Clinical Care Of Masters Athletes: A Health Needs Assessment, Princess A. Ulona
Clinical Care Of Masters Athletes: A Health Needs Assessment, Princess A. Ulona
Electronic Thesis and Dissertation Repository
Little is known about the current state of clinical care that Masters Athletes (MAs) receive, their perceptions, and whether they meet their health needs. A 22-item online health needs assessment (HNA) survey was conducted to investigate the characteristics of clinical care received by MAs and determine their perceived health needs. 80 MAs completed our survey. In assessing three key categories of care, less than 40% of MAs reported receiving Pre-Participation Evaluation (PPE), Medical Monitoring, and Injury Management as part of their standard routine care. Dissatisfied MAs reported unmet needs due to a lack of educated clinicians, lack of accessibility to …
Validation Of A Virtual Auditory Space, And Its Use To Investigate How Pitch And Spatial Cues Contribute To Perceptual Segregation Of Auditory Streams, Nima Zargarnezhad
Validation Of A Virtual Auditory Space, And Its Use To Investigate How Pitch And Spatial Cues Contribute To Perceptual Segregation Of Auditory Streams, Nima Zargarnezhad
Electronic Thesis and Dissertation Repository
The human auditory system can decompose complex sound mixtures into distinct perceptual auditory objects through a process (or processes) known as Auditory Scene Analysis. Pitch and spatial cues are among the sound attributes known to influence sequential streaming (Plack 2018). In this project, the fidelity of a virtual acoustic space (the Audio Dome) in reproducing precisely located sound sources with a 9th-order ambisonics algorithm was validated. The estimated horizontal Minimum Audible Angles aligned with previously reported values (Mills 1958) homogeneously across the space, and a robust low-frequency presentation was identified. Then, the Audio Dome was utilized to test …
The Impact Of Simulated Image Acquisition Time Reduction On Image Quality And Parameters Of Myocardial Perfusion Imaging Using A Dedicated Cardiac Camera, Alireza Khatami
The Impact Of Simulated Image Acquisition Time Reduction On Image Quality And Parameters Of Myocardial Perfusion Imaging Using A Dedicated Cardiac Camera, Alireza Khatami
Electronic Thesis and Dissertation Repository
Heart disease is the second leading cause of death in Canada, highlighting the crucial role of early diagnosis in disease management. Myocardial perfusion imaging (MPI), is widely employed for this purpose, involves injecting a radiopharmaceutical into the body, imaging its distribution with a gamma camera, and revealing cardiac blood flow patterns. A significant challenge in MPI is the lengthy 8 to 10 minutes required for stress and rest imaging, potentially causing patient discomfort and compromising image quality due to movement. In a clinical study with 26 patients, post-processed data manipulation simulated a reduction in MPI imaging time. The findings indicated …
Development Of Ph-Weighted Magnetic Resonance Imaging In The Spinal Cord: Application In Degenerative Cervical Myelopathy, Alicia E. Cronin
Development Of Ph-Weighted Magnetic Resonance Imaging In The Spinal Cord: Application In Degenerative Cervical Myelopathy, Alicia E. Cronin
Electronic Thesis and Dissertation Repository
Degenerative cervical myelopathy (DCM) is a degenerative disease of the spinal cord that can lead to neurological dysfunction. It has been hypothesized that ischemia and hypoxia in the spinal cord at the site of compression could impact functional recovery after decompression surgery. Unfortunately, direct in-vivo quantification of hypoxia and ischemia in the spine has been limited in humans. Magnetic resonance imaging (MRI) can be utilized to measure hypoxia indirectly in soft tissue. Specifically, chemical exchange saturation transfer (CEST) is an MRI contrast that can be derived from the transfer of magnetization from selectively excited endogenous protons to bulk water protons. …
Development And Validation Of The Pain Resilience And Optimism Scale (Pros), Wonjin Seo
Development And Validation Of The Pain Resilience And Optimism Scale (Pros), Wonjin Seo
Electronic Thesis and Dissertation Repository
Numerous self-report questionnaires have been used in pain research to explore patients' experiences. However, these questionnaires often employ negatively worded items that can potentially worsen patients' distress. In response to the emergence of positive psychology, this thesis aimed to develop a new questionnaire that adopts a positive and strengths-focused approach, incorporating resilience, to replace the negative items found in existing tools such as the Pain Catastrophizing Scale (PCS). First, the effectiveness of the Connor-Davidson Resilience Scale (CD-RISC) in measuring resilience following trauma was assessed through a systematic review using the COnsensus-based Standards for the selection of health status Measurement INstruments …