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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.
1

Which prosthetic foot to prescribe? Biomechanical differences found during a single session comparison of different foot types hold true one year later

De Asha, Alan R., Barnett, C.T., Struchkov, Vasily, Buckley, John January 2017 (has links)
Yes / Introduction: Clinicians typically use findings from cohort studies to objectively inform judgements regarding the potential (dis)advantages of prescribing a new prosthetic device. However, before finalising prescription a clinician will typically ask a patient to ‘try out’ a change of prosthetic device while the patient is at the clinic. Observed differences in gait when using the new device should be the result of the device’s mechanical function, but could also conceivably be due to patient related factors which can change from day-to-day and can thus make device comparisons unreliable. To determine whether a device’s mechanical function consistently has a more meaningful impact on gait than patient-related factors, the present study undertook quantitative gait analyses of a trans-tibial amputee walking using two different foot-ankle devices on two occasions over a year apart. If the observed differences present between devices, established using quantitative gait analysis, were in the same direction and of similar magnitude on each of the two occasions, this would indicate that device-related factors were more important than patient-related factors. Methods: One adult male with a unilateral trans-tibial amputation completed repeated walking trials using two different prosthetic foot devices on two separate occasions, 14 months apart. Walking speed and sagittal plane joint kinematics and kinetics for both limbs were assessed on each occasion. Clinically meaningful differences in these biomechanical outcome variables were defined as those with an effect size difference (d) between prosthetic conditions of at least 0.4 (i.e. ‘medium’ effect size). Results: Eight variables namely, walking speed, prosthetic ‘ankle’ peak plantar- and dorsi- flexion and peak positive power, and residual knee loading response flexion, peak stance-phase extension and flexion moments and peak negative power, displayed clinically meaningful differences (d > 0.4) between foot devices during the first session. All eight of these showed similar effect size differences during the second session despite the participant being heavier and older. Conclusions: Findings suggest that a prosthetic device’s mechanical function consistently has a more meaningful impact on gait than patient-related factors. These findings support the current clinical practice of making decisions regarding prosthetic prescription for an individual, based on a single session evaluation of their gait using two different devices. However, to confirm this conclusion, a case series using the same approach as the present study could be undertaken.
2

Multiple Medicine Use : Patients’ and general practitioners’ perceptions and patterns of use in relation to age and other patient characteristics

Moen, Janne January 2009 (has links)
There are widespread concerns about the increasing use of multiple medicines. The aims of this thesis were to identify older patients' and general practitioners' (GPs) attitudes to and experiences of multiple medicine use, as well as to describe patterns of multiple medicine use in different age groups in association with patient-related factors. An additional aim was to contribute to scientific methodological development by providing an empirical example of the application of the Lehoux, Poland, & Daudelin template for the analysis of interaction in focus groups. Data were collected via qualitative focus group discussions and from a cross-sectional community-based population survey conducted during 2001-2005. The patients revealed co-existing accounts of both immediate gratitude that medicines exist and problems with using multiple medicines such as worrying whether multiple medicine use is 'good' for the body. The patient-doctor relationship coloured their attitudes towards their treatment and care. The GPs at times felt insecure, though surrounded by treatment guidelines. Lack of communication with hospital specialists was perceived to reduce treatment quality, while influence of patient pressure was thought to contribute to the development of multiple medicine use. An interaction analysis helped in appreciating and clarifying the contexts in which results from the content analysis were created. Further discussion is needed on how to best report these results. Different cut-offs are useful in defining multiple medicine use in different age groups. Vast majorities of users of multiple medicines were found to have unique medicine combinations. Multiple medicine use was found to be associated with morbidity and poor self-rated health across all age groups.
3

Factors associated with Primary Medication Non-adherence and its effect on Health Service Utilization among Medicare Beneficiaries with Cardiovascular disease

Gangan, Nilesh January 2013 (has links)
No description available.

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