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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
111

Mild to Moderate Work-related Traumatic Brain Injury: A Pilot Study

Salehi, Sara 20 December 2011 (has links)
Traumatic brain injury (TBI) is the leading cause of death and disability in the industrialized world. This pilot study investigated demographic, clinical and environmental factors associated with return to work (RTW) among workers who sustained a mild to moderate work-related TBI (WrTBI). Using a retrospective cohort design, participants were recruited through an outpatient clinic dedicated to evaluating injured workers after a WrTBI. A mailed survey and medical record abstraction tool were used for data collection. Of the 40 injured workers who participated in this study, 19 reported working at time of follow-up. Those who were unable to RTW scored significantly lower on measures of emotional well-being; there were no significant between-group differences in cognitive or physical impairments. Gradual RTW and workplace accommodations were reported as key factors facilitating RTW. Our findings provide information that addresses improved rehabilitation and management of WrTBI as well as better education and support for employers.
112

Peripheral Muscle Strength, Functional Exercise Capacity and Physical Activity Before and After Lung Transplantation

Wickerson, Lisa Michelle 27 November 2012 (has links)
Little is known about the early recovery of functional outcomes in the lung transplant population. This thesis investigated skeletal muscle strength, functional exercise capacity, health-related quality of life and daily physical activity pre- and early post-lung transplantation in a cohort of fifty participants. Significant functional limitations were observed pre-transplant, however levels of physical activity were higher on rehabilitation days as compared to non-rehabilitation days. Post-transplant, improvements in functional exercise capacity and physical activity lagged behind the early improvements in pulmonary function and health-related quality of life. Muscle strength was reduced at hospital discharge compared to pre-transplant levels, but improved to pre-transplant levels by three months post-transplant. In summary, significant functional limitation exists pre-transplant, and lung transplantation leads to significant improvement of functional outcomes; however functional recovery occurs at different time periods and to varying degrees, and does not reach levels of a healthy reference population by three months post-lung transplant.
113

Cognitive Behaviour Therapy after Acquired Brain Injury: An Investigation of the Benefits for Emotional Well-being, Coping Strategy Use, and Community Integration at 6-Months Post-Treatment

Arundine, April 15 December 2009 (has links)
Objectives: To demonstrate that at 6-months post-cessation of cognitive behaviour therapy (CBT) adapted for acquired brain injury (ABI), (1) patients maintain psychological benefits, (2) coping strategy selection improves, (3) community integration is enhanced, and (4) benefits are observed in both face-to-face and telephone administrations. Methods: Participants. Seventeen ABI patients with elevated psychological distress. Outcome Measures. Pre-treatment, post-treatment and 6-month follow-up performance on the Symptom Checklist-90-revised (SCL-90-R), Depression, Anxiety Stress Scales (DASS-21), Community Integration Questionnaire (CIQ) and the Ways of Coping-Revised Questionnaire (WOC-R). Procedures. Eleven CBT sessions provided in group, face-to-face format or individually by telephone. Results: For face-to-face and telephone groups, psychological distress was significantly reduced from pre-treatment to 6-months follow-up: DASS-21 (t16= 7.32, p <.000); SCL-90-R (t16= 6.22, p <.000). Community integration (t16= -6.15 p<.000) and problem-focused coping (t16= -3.67, p<.01) were also significantly enhanced. Conclusion: CBT adapted for patients with ABI carries robust benefits even 6-months after treatment.
114

Contextual Processing of Objects: Using Virtual Reality to Improve Abstraction and Cognitive Flexibility in Children with Autism

Wang, Michelle Jai-Chin 30 December 2010 (has links)
Background: The current study investigated the efficacy of a novel virtual reality-cognitive rehabilitation (VR-CR) intervention to improve contextual processing of objects in children with autism. Contextual processing is a cognitive ability thought to underlie the social and communication deficits of autism. Previous research supports that children with autism show deficits in contextual processing, as well as deficits in its basic component abilities: abstraction and cognitive flexibility. Methods: Four children with autism participated in a multiple baseline single-subject study. The children were taught how to see objects in context by reinforcing attention to pivotal contextual information. One-on-one teaching sessions occurred three times per week for approximately two weeks. Results: All children demonstrated significant improvements in contextual processing and cognitive flexibility. Mixed results were found on the control test. Changes in context-related behaviours were reported. Conclusions: Further studies using virtual reality to target specific cognitive impairments in children with autism are warranted.
115

Cardiovascular Response to Dynamic Functional Electrical Stimulation during Head-up Tilt

Yoshida, Takashi 31 December 2010 (has links)
Orthostatic hypotension (OH) is a prevalent condition among individuals with spinal cord injury (SCI). After an injury, OH often reduces the benefit of neurorehabilitation and also prolongs periods of inactivity that lead to secondary complications. This study investigated whether the cardiovascular response to head-up tilting can be improved using functional electrical stimulation (FES) and rhythmic passive movements of the lower extremities. Participants with high thoracic and cervical SCI were recruited. While the participants were tilted head-up to 70 degrees, four conditions were applied in a random sequence: 1) no intervention, 2) rhythmic passive leg movements, 3) isometric FES, and 4) a combination of FES and passive leg movements. The measured cardiovascular parameters indicated that a combination of FES and passive leg movements induced the most desirable response to head-up tilting. The proposed intervention will enable more individuals with SCI to participate in beneficial neurorehabilitation that uses a novel tilt table.
116

Internet Use among Occupational Therapists in their Clinical Practice

Law, Veronica Mun Wah 07 January 2011 (has links)
This study investigated the extent to which occupational therapists (OT) use the Internet as a clinical resource and as a tool for communication with clients. It also identified barriers and facilitators associated with Internet use. A survey was mailed to all occupational therapists registered with the College of Occupational Therapists of Ontario. Our findings based on 1382 respondents show that a large percentage of occupational therapists currently use the Internet for clinical purposes. A majority of respondents reported using the Internet to meet their practice needs, primarily for looking up relevant clinical information, and less commonly as a communication tool with their clients. Greater Internet use was associated with younger age and fewer years of practice. Having a computer station, a work culture fostering Internet use, accessible technical support, paid time and credible ratings of websites were five most influential factors on Internet use in OTs’ clinical practice.
117

Decisionmakers' Allocation of Physical Therapy and Occupational Therapy Services in Ontario Homecare

Mohammed, Abdur Rakib 14 December 2011 (has links)
Hospital stays have grown increasingly shorter with a corresponding increase in the use of homecare services. However, we have a limited understanding of how homecare services are allocated in Ontario, particularly homecare rehabilitation services. The primary objective of this research is to explore the current decision-making processes for the allocation of occupational and physical therapy services in homecare for the long stay clients. To address this objective a exploratory study using key informant interviews was conducted. The results indicate that the process of decision making for the allocation of therapy services is comprised of a series of stages called intake, assessment, referral to service provider and reassessment. Amongst these the process of determining the volume of therapy services varies widely across different region. These variations are primarily due to the regional contextual (e.g. financial constraints) factors of the individual CCACs.
118

Mild to Moderate Work-related Traumatic Brain Injury: A Pilot Study

Salehi, Sara 20 December 2011 (has links)
Traumatic brain injury (TBI) is the leading cause of death and disability in the industrialized world. This pilot study investigated demographic, clinical and environmental factors associated with return to work (RTW) among workers who sustained a mild to moderate work-related TBI (WrTBI). Using a retrospective cohort design, participants were recruited through an outpatient clinic dedicated to evaluating injured workers after a WrTBI. A mailed survey and medical record abstraction tool were used for data collection. Of the 40 injured workers who participated in this study, 19 reported working at time of follow-up. Those who were unable to RTW scored significantly lower on measures of emotional well-being; there were no significant between-group differences in cognitive or physical impairments. Gradual RTW and workplace accommodations were reported as key factors facilitating RTW. Our findings provide information that addresses improved rehabilitation and management of WrTBI as well as better education and support for employers.
119

Peripheral Muscle Strength, Functional Exercise Capacity and Physical Activity Before and After Lung Transplantation

Wickerson, Lisa Michelle 27 November 2012 (has links)
Little is known about the early recovery of functional outcomes in the lung transplant population. This thesis investigated skeletal muscle strength, functional exercise capacity, health-related quality of life and daily physical activity pre- and early post-lung transplantation in a cohort of fifty participants. Significant functional limitations were observed pre-transplant, however levels of physical activity were higher on rehabilitation days as compared to non-rehabilitation days. Post-transplant, improvements in functional exercise capacity and physical activity lagged behind the early improvements in pulmonary function and health-related quality of life. Muscle strength was reduced at hospital discharge compared to pre-transplant levels, but improved to pre-transplant levels by three months post-transplant. In summary, significant functional limitation exists pre-transplant, and lung transplantation leads to significant improvement of functional outcomes; however functional recovery occurs at different time periods and to varying degrees, and does not reach levels of a healthy reference population by three months post-lung transplant.
120

The Effect of Treadmill Walking on the Stride Interval Dynamics of Children

Fairley, Jillian Audrey 03 January 2011 (has links)
The stride interval of typical human gait is correlated over thousands of strides. This statistical persistence diminishes with age, disease, and pace-constrained walking. Considering the widespread use of treadmills in rehabilitation and research, it is important to understand the effect of this speed-constrained locomotor modality on stride interval dynamics. To this end, and given that the dynamics of children have been largely unexplored, this study investigated the impact of treadmill walking, both with and without handrail use, on paediatric stride interval dynamics. An initial stationarity analysis of stride interval time series identified both non-stationary and stationary signals during all walking conditions. Subsequent scaling analysis revealed diminished stride interval persistence during unsupported treadmill walking compared to overground walking. Finally, while the correlation between stride interval dynamics and gross energy expenditure was investigated in an effort to elucidate the clinical meaning of persistence, no simple linear correlation was found.

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