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Physicians Practicing in Ontario Long-term Care Homes: Characteristics and Variation in Antipsychotic Prescribing RatesLam, Jonathan Ming Chun 22 September 2009 (has links)
Antipsychotic use is an important issue in long-term care (LTC) homes due to their widespread use, the potential for serious adverse events and limited evidence about their efficacy in treating behavioural and psychological symptoms of dementia. Rates of antipsychotic use vary across LTC homes, but little is known about the contribution of physicians to this variation. This study documented the characteristics of physicians who regularly treated residents in Ontario LTC homes and examined variation in antipsychotic prescribing across physicians. In a population-based retrospective cohort of LTC residents, 637 (52.8%) of 1,207 LTC physicians cared for 46,365 (90.4%) of all residents. Overall, 27.3% of residents received antipsychotic therapy, but extremely high prescribers prescribed antipsychotics to 42.8% of their patients. Variation in physician antipsychotic prescribing persisted after controlling for clinical and behavioural resident characteristics. This variation was reduced by 47.1% when LTC homes were accounted for in multilevel cross-classification logistic regression models.
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Efficacy of Mouth Care Education to Improve the Oral Health of Residents of Long Term Care HomesLe, Phu 31 May 2011 (has links)
Objective: To assess the efficacy of personal support worker (PSW) mouth care education to improve the oral health of residents of long term care homes. Methodology: Experimental PSWs received mouth care education at baseline before taking the knowledge test. PSWs‟ mouth care knowledge was measured using a 20-item knowledge test at baseline, post-test (supervised); 6-months (un-supervised). Residents‟ oral health outcomes assessed at baseline and 6-months using the modified Plaque Index and modified Gingival Index. Results: Experimental PSWs‟ post-test knowledge (n=32;M=17.59;SD=1.43) significantly increased from pre-test (M=15.34;SD=2.10), F(2,72)=4.90;p<.05. 39 control residents and 41 experimental residents participated. Experimental residents‟ PI significantly decreased at 6-months compared to baseline, F(1,156)=5.52;p<.05, there was no significant difference in their GI between baseline and 6-months, F(1,156)=3.29;p=.07. Conclusion: PSWs‟ mouth care knowledge significantly increased after receiving mouth care education and was sustained over six months. Only experimental residents‟ PI significantly improved after 6 months.
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Assessing the Determinants of Quality in Ontario's Long-term Care Homes: Relationships Between Staff and Resident SatisfactionWalker, Kevin Ross 04 January 2012 (has links)
This thesis aimed to test the relationship between resident satisfaction and staff satisfaction. Using a cross-sectional design, administrators, staff and residents from 24 LTC homes were surveyed. Logistic regression models predicting high resident satisfaction were developed with a primary focus on the relationship to direct care staff satisfaction, while controlling for facility, staff and resident characteristics (and facility-level clustering). Regression models were developed for overall staff satisfaction and three other domains of job satisfaction. The odds of high overall resident satisfaction decreased by 27% and 31% for each 1-unit increase in overall job satisfaction and satisfaction with workload, respectively. In contrast, the odds of high overall resident satisfaction increased by 5.56 times for each 1-unit increase in mean staff satisfaction with work content. LTC homes may be able to improve staff and resident experiences concurrently by encouraging direct care staff to enter into meaningful relationships with residents.
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Efficacy of Mouth Care Education to Improve the Oral Health of Residents of Long Term Care HomesLe, Phu 31 May 2011 (has links)
Objective: To assess the efficacy of personal support worker (PSW) mouth care education to improve the oral health of residents of long term care homes. Methodology: Experimental PSWs received mouth care education at baseline before taking the knowledge test. PSWs‟ mouth care knowledge was measured using a 20-item knowledge test at baseline, post-test (supervised); 6-months (un-supervised). Residents‟ oral health outcomes assessed at baseline and 6-months using the modified Plaque Index and modified Gingival Index. Results: Experimental PSWs‟ post-test knowledge (n=32;M=17.59;SD=1.43) significantly increased from pre-test (M=15.34;SD=2.10), F(2,72)=4.90;p<.05. 39 control residents and 41 experimental residents participated. Experimental residents‟ PI significantly decreased at 6-months compared to baseline, F(1,156)=5.52;p<.05, there was no significant difference in their GI between baseline and 6-months, F(1,156)=3.29;p=.07. Conclusion: PSWs‟ mouth care knowledge significantly increased after receiving mouth care education and was sustained over six months. Only experimental residents‟ PI significantly improved after 6 months.
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Assessing the Determinants of Quality in Ontario's Long-term Care Homes: Relationships Between Staff and Resident SatisfactionWalker, Kevin Ross 04 January 2012 (has links)
This thesis aimed to test the relationship between resident satisfaction and staff satisfaction. Using a cross-sectional design, administrators, staff and residents from 24 LTC homes were surveyed. Logistic regression models predicting high resident satisfaction were developed with a primary focus on the relationship to direct care staff satisfaction, while controlling for facility, staff and resident characteristics (and facility-level clustering). Regression models were developed for overall staff satisfaction and three other domains of job satisfaction. The odds of high overall resident satisfaction decreased by 27% and 31% for each 1-unit increase in overall job satisfaction and satisfaction with workload, respectively. In contrast, the odds of high overall resident satisfaction increased by 5.56 times for each 1-unit increase in mean staff satisfaction with work content. LTC homes may be able to improve staff and resident experiences concurrently by encouraging direct care staff to enter into meaningful relationships with residents.
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An Exploration of the Influence of Drama as Praxis on the Recreational Experience of Residents in a Long-term Care SettingDixon, Edmond 28 February 2011 (has links)
This study uses a grounded theory approach (Charmaz, 2006) in a small case study to examine if drama as praxis influences long-term care residents when presented as a recreational activity. When used as “praxis” (Taylor, 2000), drama focuses solely on the learning and personal growth of the participants. The growth of long-term care underscores the value of recreational programming for quality of life in these institutions; drama as praxis has not been widely used in this context.
Elements of the literature review were used to identify areas where dramatic activities have demonstrated influence in educational contexts:
• Engagement / Participation
• Self-Confidence / Sense of Efficacy
• Social Skills / Empathy
• Creativity / Imagination
• Cognitive Skill Development / Understanding
These became sensitizing concepts for the creation of “drama as praxis” activities, presented in six sessions to a small group of residents at a long-term care residence in the Toronto area. Data collection was based on the researcher’s observations and participant interviews.
Drama was found to have a recreational benefit impacting quality of life, with Engagement, Social Skills,, and Self-Confidence, the predominant benefits observed. Creativity and Cognitive Skill Development were less frequent.
A Theory of the Recreational Benefit of Drama as Praxis was then developed to help the researcher understand why these benefits might be caused by drama. Based on theoretical sampling from recent research in gerontology and brain science, the theory highlights four beneficial components of drama as praxis:
1. Kinesthetics – Fosters engagement and memory retrieval
2. Play and Endorphinal Release – Triggers cognitive work without fear or fatigue
3. Imagination and Perspective-taking – Helps individuals retrieve emotional memories, develop different perspectives, and joyfully create
4. Narrative - Helps participants access and process events in their lives, past and present
The study ends with a discussion of possible implications for the use of drama in long-term care but emphasizes that, due to the size of the sample, the results of the research cannot necessarily be assumed to apply in other contexts. Suggestions for further research are made that might address this and help to clarify the findings of the study.
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Oral Health for Long-term Care Populations: From Pneumonia Pathogenesis to Front-line Oral Care ProvisionYoon, Minn-Nyoung 12 January 2012 (has links)
Oral health has dramatically improved in most industrialized countries over the latter half of the 20th century. However, profound oral health disparities still exist especially for those most at risk of developing oral diseases and associated systemic consequences such as populations residing in long-term care facilities. Despite the growing body of literature that supports the link between oral microflora and the importance of oral hygiene in limiting the risk of pneumonia development, there are still gaps in our knowledge to effectively manage this risk. The research included in this dissertation sought to further our understanding of oral health and oral care in the context of pneumonia pathogenesis (chapter 3) and, by exploring the perspective of various stakeholders in oral health, we sought to further understand the factors that influence care provision (chapter 5). Additionally, a novel knowledge translation approach was tested to challenge traditional oral care interventions in order to promote improvements in front-line oral care practices (chapter 6).
The relationship between oral microflora, oral care and pneumonia was found to be complex. It directs us to consider converging risk factors including a patient’s health status, health behaviours and access to oral care services.
Different professional groups were found to possess different definitions of oral health, which influenced both their motivation to provide care as well as their focus of care. Definitions of oral health could also potentially influence the saliency of different types of oral care information to different targeted groups; therefore, this should be considered in developing education and training initiatives aimed at improving the provision of oral care.
An appreciative knowledge translation approach was found to be effective in bridging the gap between oral care knowledge and the provision of care. Regardless of the type of intervention chosen, organizations were reported to play a crucial role in promoting oral health and supporting the successful implementation of oral care programs.
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Physicians Practicing in Ontario Long-term Care Homes: Characteristics and Variation in Antipsychotic Prescribing RatesLam, Jonathan Ming Chun 22 September 2009 (has links)
Antipsychotic use is an important issue in long-term care (LTC) homes due to their widespread use, the potential for serious adverse events and limited evidence about their efficacy in treating behavioural and psychological symptoms of dementia. Rates of antipsychotic use vary across LTC homes, but little is known about the contribution of physicians to this variation. This study documented the characteristics of physicians who regularly treated residents in Ontario LTC homes and examined variation in antipsychotic prescribing across physicians. In a population-based retrospective cohort of LTC residents, 637 (52.8%) of 1,207 LTC physicians cared for 46,365 (90.4%) of all residents. Overall, 27.3% of residents received antipsychotic therapy, but extremely high prescribers prescribed antipsychotics to 42.8% of their patients. Variation in physician antipsychotic prescribing persisted after controlling for clinical and behavioural resident characteristics. This variation was reduced by 47.1% when LTC homes were accounted for in multilevel cross-classification logistic regression models.
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An Exploration of the Influence of Drama as Praxis on the Recreational Experience of Residents in a Long-term Care SettingDixon, Edmond 28 February 2011 (has links)
This study uses a grounded theory approach (Charmaz, 2006) in a small case study to examine if drama as praxis influences long-term care residents when presented as a recreational activity. When used as “praxis” (Taylor, 2000), drama focuses solely on the learning and personal growth of the participants. The growth of long-term care underscores the value of recreational programming for quality of life in these institutions; drama as praxis has not been widely used in this context.
Elements of the literature review were used to identify areas where dramatic activities have demonstrated influence in educational contexts:
• Engagement / Participation
• Self-Confidence / Sense of Efficacy
• Social Skills / Empathy
• Creativity / Imagination
• Cognitive Skill Development / Understanding
These became sensitizing concepts for the creation of “drama as praxis” activities, presented in six sessions to a small group of residents at a long-term care residence in the Toronto area. Data collection was based on the researcher’s observations and participant interviews.
Drama was found to have a recreational benefit impacting quality of life, with Engagement, Social Skills,, and Self-Confidence, the predominant benefits observed. Creativity and Cognitive Skill Development were less frequent.
A Theory of the Recreational Benefit of Drama as Praxis was then developed to help the researcher understand why these benefits might be caused by drama. Based on theoretical sampling from recent research in gerontology and brain science, the theory highlights four beneficial components of drama as praxis:
1. Kinesthetics – Fosters engagement and memory retrieval
2. Play and Endorphinal Release – Triggers cognitive work without fear or fatigue
3. Imagination and Perspective-taking – Helps individuals retrieve emotional memories, develop different perspectives, and joyfully create
4. Narrative - Helps participants access and process events in their lives, past and present
The study ends with a discussion of possible implications for the use of drama in long-term care but emphasizes that, due to the size of the sample, the results of the research cannot necessarily be assumed to apply in other contexts. Suggestions for further research are made that might address this and help to clarify the findings of the study.
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Molecular mechanism of long-term depression and its role in experience-dependent ocular dominance plasticity of primary visual cortexXiong, Wei 05 1900 (has links)
Primary visual cortex is a classic model to study experience-dependent brain plasticity. In early life, if one eye is deprived of normal vision, there can be a dramatic change in the ocular dominance of the striate cortex such that the large majority of neurons lose responsiveness to the deprived eye and, consequently, the ocular dominance distribution shifts in favor of the open eye. Interestingly, the visual experience dependent plasticity following monocular deprivation (MD) occurs during a transient developmental period, which is called the critical period. MD hardly induces ocular dominance plasticity beyond critical period. The mechanisms underlying ocular dominance plasticity during the critical period are not fully understood. It has been proposed that long-term depression (LTD) may underlie the loss of cortical neuronal responsiveness to the deprived eye. However, discordant results have been reported in terms of the role of LTD and LTP in visual plasticity due to the lack of specific blockers. Here we report the prevention of the normally-occurring ocular dominance (OD) shift to the open eye following MD by using a specific long-term depression (LTD) blocking peptide derived from the GluR2 subunit of the a-amino-3-hydroxy-5-methyl-isoxazole-4-propionic acid receptor (AMPAR). We were able to prevent the shift of OD to the open eye with systemic or local administration of the GluR2 peptide. Both electrophysiological and anatomical approaches were taken to demonstrate the peptide effect. Moreover, enhancing LTD with D-serine, a NMDA receptor co-agonist, brought back the ocular dominance plasticity in adult mice subject to four-day MD and, therefore, reopened the critical period. Our data indicate that LTD plays an essential role in visual plasticity during the critical period and the developmental regulation of LTD may account for the closure of critical period in adult.
In an additional study, we have found anisomycin, a protein synthesis inhibitor, produces a time-dependent decline in the magnitude of the field EPSP (fEPSP) in mouse primary visual cortex and that this anisomycin-mediated fEPSP depression occludes NMDA receptor dependent LTD. In contrast, another two protein synthesis inhibitors, emetine and cycloheximide, have no effect either on baseline synaptic transmission and or on LTD. We propose that anisomycin-LTD might be mediated by p38 MAP kinase since anisomycin is also a potent activator of the P38/JNK MAPK pathway. In agreement with notion, the decline of the fEPSP caused by anisomycin can be rescued by the application of the P38 inhibitor SB203580, but not by the JNK inhibitor SP600125. The occlusion of LFS-LTD by anisomycin-induced fEPSP decline suggests that common mechanisms may be shared between the two forms of synaptic depression. Consistent with this view, bath application of the membrane permeant peptide discussed above, which specifically blocks regulated AMPA receptor endocytosis, thereby preventing the expression of LFS-LTD, prior to anisomycin treatment significantly reduced the anisomycin-induced decline of the fEPSP. In conclusion, this study indicates that anisomycin produces long-lasting depression of AMPA receptor-mediated synaptic transmission by activating P38 MAPK-mediated endocytosis of AMPA receptors in neonatal mouse visual cortex.
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