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1.
J Community Health Nurs ; 41(3): 175-188, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38391137

RESUMO

PURPOSE: This study describes how an employer-based tuition-assistance program for homecare workers at one Canadian homecare organization enabled nursing career advancement and retention. DESIGN: A convergent parallel mixed-methods design. METHODS: We reviewed existing administrative data and concurrently conducted semi-structured interviews. Descriptive statistics were used on quantitative data and qualitative data was analyzed using thematic analysis. A joint data display was developed to integrate findings from both quantitative and qualitative data together. FINDINGS: Tuition assistance reduced financial barriers to career advancement; 83% of recipients remained with their employer for at least 1-year post-studies but only 29% experienced career advancement. Psychosocial supports, career navigation and coaching to ease the licensing and role transition processes were identified as opportunities to support learners. CONCLUSION: Employer-based tuition assistance programs are impactful in helping to develop skilled employees. Practical enhancements to further support career transitions may maximize retention to address urgent homecare staffing challenges. CLINICAL EVIDENCE: Employer-based tuition assistance can be a useful strategy to support nursing career growth and staff retention.


Assuntos
Serviços de Assistência Domiciliar , Humanos , Feminino , Masculino , Adulto , Serviços de Assistência Domiciliar/organização & administração , Pessoa de Meia-Idade , Canadá , Reorganização de Recursos Humanos , Pesquisa Qualitativa , Mobilidade Ocupacional , Entrevistas como Assunto
2.
J Wound Care ; 32(11): 748-757, 2023 Nov 02.
Artigo em Inglês | MEDLINE | ID: mdl-37907360

RESUMO

OBJECTIVE: To improve wound-related quality of life (QoL) in clients with hard-to-heal wounds in their lower limbs and to increase referrals to multidisciplinary teams in the management of care for these clients. METHOD: This was a quality improvement project with a two-group pretest-posttest interventional evaluation design. We implemented a package of interventions including the WounDS app, education related to wound care, and client engagement through a QoL self-assessment. Wound-related QoL was measured using the Cardiff Wound Impact Schedule and referrals to the multidisciplinary team were tracked through chart audits. We explored nurses' experiences with the interventions through semi-structured interviews. RESULTS: Clients' average ratings for 'wellbeing', 'physical symptoms and daily living', and 'overall QoL' improved by 27%, 38% and 54%, respectively. The number of referrals increased by 78% post intervention. Nurses described the interventions as effective strategies that motivated them to implement a holistic approach to care. CONCLUSION: The project was successful in creating a culture shift to practice holistic wound care. This package of interventions (WounDS app, education and client self-assessment of QoL) led to improvements in the QoL of clients with hard-to-heal wounds. Further studies are needed to generalise the findings. Strategies for sustainability include forming a champion group and providing the education and decision supports based on nurses' educational needs assessment.


Assuntos
Enfermeiras e Enfermeiros , Qualidade de Vida , Humanos , Cicatrização
3.
Clin Sci (Lond) ; 131(17): 2223-2240, 2017 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-28798074

RESUMO

During healthy pregnancy, the cardiovascular system undergoes diverse adaptations to support adequate transfer of oxygen and nutrients from mother to fetus. In order to accommodate the large expansion of blood volume and associated cardiac output, the structure, mechanics, and function of the arteries are altered. Specifically, in healthy pregnancy there is a remodeling of arteries (increased angiogenesis and vasodilation), a generalized reduction in arterial stiffness (increased compliance), and an enhanced endothelial function. The development of pregnancy complications, specifically pre-eclampsia, is associated with poor placentation (decreased angiogenesis), increased arterial stiffness, and vascular dysfunction (reduced endothelial function). Many of the positive adaptations that occur in healthy pregnancy are enhanced in response to chronic exercise. Specifically, placental angiogenesis and endothelial function have been shown to improve to a greater extent in women who are active during their pregnancy compared with those who are not. Prenatal exercise may be important in helping to reduce the risk of vascular dysfunction in pregnancy. However, our knowledge of the vascular adaptations resulting from maternal exercise is limited. This review highlights maternal vascular adaptations occurring during healthy pregnancy, and contrasts the vascular maladaptation associated with pre-eclampsia. Finally, we discuss the role of prenatal exercise on vascular function in the potential prevention of vascular complications associated with pre-eclampsia.


Assuntos
Sistema Cardiovascular/fisiopatologia , Terapia por Exercício , Pré-Eclâmpsia/prevenção & controle , Feminino , Humanos , Pré-Eclâmpsia/fisiopatologia , Gravidez , Cuidado Pré-Natal
4.
Am J Occup Ther ; 71(6): 7106165030p1-7106165030p9, 2017.
Artigo em Inglês | MEDLINE | ID: mdl-29135427

RESUMO

Bathroom assistive devices are used to improve safety during bathing transfers, but biomechanical evidence to support clinical recommendations is lacking. This study evaluated the effectiveness of common bathroom aids in promoting balance control during bathing transfers. Twenty-six healthy adults (12 young, 14 older) stepped into and out of a slippery bathtub while using a vertical grab bar on the side wall, a horizontal grab bar on the back wall, a bath mat, a side wall touch, or no assistance. Balance control was characterized using center of pressure measures and showed greater instability for older adults. The vertical grab bar and wall touch resulted in the safest (best controlled) transfers. The bath mat provided improved balance control in the axis parallel to the bathtub rim but was equivalent to no assistance perpendicular to the rim, in the direction of obstacle crossing. These results can support clinical recommendations for safe bathing transfers.


Assuntos
Acidentes por Quedas/prevenção & controle , Envelhecimento , Banhos , Equilíbrio Postural , Tecnologia Assistiva , Adulto , Idoso , Estudos Transversais , Arquitetura de Instituições de Saúde , Feminino , Humanos , Masculino , Terapia Ocupacional , Valores de Referência
5.
Assist Technol ; 27(4): 208-18, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26691560

RESUMO

Grab-bars and transfer poles are common sit-to-stand aids for mobility limited older adults. This study investigated differences in kinetics and kinematics to characterize the lower-limb strength and dynamic balance requirements across different pole configurations and positions in nine mobility limited older adults. Poles were varied by location (near and far) and configuration (single vertical pole, double vertical poles, vertical pole with a horizontal bar). Results indicated that the far pole condition resulted in increased trunk (p < 0.001) and hip flexion (p < 0.01 and < 0.0001 for contralateral and ipsilateral sides, respectively), and a reduced peak vertical force applied to the pole (p < 0.001). Peak extension moments at the hip and knee were unchanged, and, therefore, pole position had no effect on task demands. Placing the pole unilaterally introduced a small kinetic asymmetry, which significantly increased peak knee extension moments on the ipsilateral side (p < 0.05). Finally, dynamic balance was relatively unchanged across pole conditions. These findings offer novel insight into pole use and the effect of varying pole location and configuration in a sample of older adults with mobility impairment, and provide the basis for future work.


Assuntos
Limitação da Mobilidade , Postura/fisiologia , Reabilitação/instrumentação , Idoso , Idoso de 80 Anos ou mais , Fenômenos Biomecânicos/fisiologia , Desenho de Equipamento , Feminino , Humanos , Articulações/fisiologia , Masculino
6.
Workplace Health Saf ; : 21650799241232148, 2024 Mar 07.
Artigo em Inglês | MEDLINE | ID: mdl-38454778

RESUMO

BACKGROUND: Workplace violence and harassment are commonplace for healthcare workers and most incidents are unreported. Normalization of these experiences, lack of confidence in reporting systems, and fear of the consequences of reporting contribute to the invisibility of these experiences. Challenges are exacerbated in homecare settings and for precarious workforces including Personal Support Workers (PSWs). We created, piloted, and evaluated an intervention to enhance safety culture and encourage reporting of workplace violence and harassment. METHODS: A multi-stakeholder steering committee designed an intervention combining policy changes, a pre-visit screening tool, education, and brief end-of-visit reporting. This was piloted with a PSW care team which provided >55,000 client visits during the 32-week intervention. Operational metrics characterized screening, education, and reporting uptake. Pre- and post-intervention surveys characterized PSWs' experiences with workplace violence and harassment, reporting experiences, training history and intervention feedback. FINDINGS: PSWs reported increased comfort discussing workplace violence and harassment, and increased confidence managing client-to-worker incidents. The screening went smoothly with most clients in private homes. Most PSWs (75%) engaged at least once with end-of-visit reporting and nearly half submitted reports regularly. During the pilot, 21% of PSWs reported incidents and 52% of reports shared client-specific strategies for managing these situations. APPLICATION TO PRACTICE: Changes in comfort and behavior with reporting indicated a shift toward a more open culture surrounding workplace violence and harassment. Tools created for this intervention and lessons for implementation are shared for consideration by occupational health practitioners throughout the homecare sector.

7.
Am J Infect Control ; 2024 Jun 15.
Artigo em Inglês | MEDLINE | ID: mdl-38885790

RESUMO

BACKGROUND: Facial Protective Equipment (FPE) use increased during the SARS-CoV-2 pandemic. This study explored factors influencing home care personal support workers' (PSWs) and nurses' self-reported adherence to FPE. METHODS: A cross-sectional, electronic, survey was distributed to PSWs and nurses (1108 complete responses) at three home care agencies in Ontario, Canada, in May-June 2022. Descriptive, bivariate, and multivariable analysis were used to assess individual, environmental, and organizational factors influencing adherence. RESULTS: Among participants (786 PSWs, 322 nurses), 64% reported being adherent to both respiratory and eye FPE (Respiratory: 96%, Eye: 64%). Higher adherence was associated with facility-based work; better knowledge of FPE; pre-pandemic FPE use; good availability and convenient access; strong organizational support for health and safety; and Caribbean identity. Lower adherence was found for men; nurses with 2-year diplomas; shorter length of employment; communal transportation; and experiencing negative mental health effects from workplace infectious disease exposure. DISCUSSION: Agencies should prioritize increasing providers' knowledge of FPE, supporting mental well-being, fostering a supportive culture, and ensuring availability of FPE. The influences of gender, ethnicity, and role require further exploration. CONCLUSION: FPE adherence may be improved by addressing modifiable factors and developing population-specific strategies.

8.
Gerontol Geriatr Med ; 10: 23337214241237119, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38487275

RESUMO

Grab bars facilitate bathing and reduce the risk of falls during bathing. Suction cup handholds and rim-mounted tub rails are an alternative to grab bars. The objective of this study was to determine whether older adults could install handholds and tub rails effectively to support bathing transfers. Participants installed rim-mounted tub rails and suction cup handholds in a simulated bathroom environment. Installation location and mechanical loading performance were evaluated. Participant perceptions during device installation and a bathing transfer were characterized. While 85% of suction cup handholds met loading requirements, more than half of participants installed the suction cup handhold in an unexpected location based on existing guidance documents. No rim-mounted tub rails were successfully installed. Participants were confident that the devices had been installed effectively. Suction cup handholds and rim mounted tub rails are easy to install, but clients may need additional guidance regarding where, and how to install them.

9.
Am J Infect Control ; 2024 Apr 22.
Artigo em Inglês | MEDLINE | ID: mdl-38657906

RESUMO

BACKGROUND: Facial protective equipment (FPE) adherence is necessary for the health and safety of nursing professionals. This review was conducted to synthesize predisposing, enabling, and reinforcing factors that influence FPE adherence, and thus inform efforts to promote adherence. METHODS: Articles were collected using Cumulated Index to Nursing and Allied Health Literature and MEDLINE and screened for inclusion. Included articles were original studies focused on FPE adherence by nurses to prevent respiratory infection which contained occupation-specific data from at least 10 individuals and were published in English between January 2005 and February 2022. RESULTS: Thirty articles were included, 21 of which reported adherence rates. Adherence ranged from 33% to 100% for respiratory protection and 22% to 100% for eye protection. Predisposing demographic factors influencing adherence included tenure and occupation, while modifiable predisposing factors included knowledge and perception of FPE, infection transmission, and risk. Enabling factors included geography, care settings, and FPE availability. Reinforcing factors included organizational support for health and safety, clear policies, and training. CONCLUSIONS: The identified demographic factors suggest populations that may benefit from targeted interventions, while modifiable factors suggest opportunities to enhance education as well as operational processes and supports. Interventions that target these areas have the potential to promote adherence and thereby improve the occupational safety of nurses.

10.
Am J Infect Control ; 51(5): 490-497, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-35917934

RESUMO

BACKGROUND: Appropriate and consistent facial protective equipment (FPE) use is critical for preventing respiratory illness transmission. Little is known about FPE adherence by home care providers. The purpose of this study is to adapt an existing facial protection questionnaire and use it to develop an initial understanding of factors influencing home care providers' adherence to FPE during the COVID-19 pandemic. METHODS: A survey was shared with home care providers during Wave 2 of the COVID-19 pandemic in Ontario. Descriptive statistics and logistic regression by FPE adherence were conducted across individual, organizational, and environmental factors. RESULTS: Of the 199 respondents (140 personal support workers; 59 nurses), 71% reported that they always used FPE as required, with greater adherence to masks (89%) than eye protection (73%). The always-adherent reported greater perceived FPE efficacy, knowledge of recommended use and perceived occupational risk, lower education, and not experiencing personal barriers (including difficulty seeing, discomfort, communication challenges). DISCUSSION: Adherence rates were relatively high. In this context, with participants reporting high levels of organizational support, individual-level factors were the significant predictors of adherence. CONCLUSIONS: Initiatives addressing perceived FPE efficacy, knowledge of recommended use, perception of at-work risk, and personal barriers to use may improve FPE adherence.


Assuntos
COVID-19 , Humanos , COVID-19/prevenção & controle , Projetos Piloto , Ontário/epidemiologia , Pandemias/prevenção & controle , Máscaras , Equipamento de Proteção Individual
11.
Healthc Policy ; 19(1): 23-31, 2023 08.
Artigo em Inglês | MEDLINE | ID: mdl-37695703

RESUMO

The home and community care (HCC) sector is in a health human resource crisis. Particularly concerning is the shortage of personal support workers (PSWs) who provide the majority of HCC. This paper outlines a strategy to mitigate the HCC PSW shortage by applying appropriate funding to HCC and focusing on equal pay between HCC and institutional long-term care facilities' PSWs. Using publicly available data, our calculations estimate substantial government cost-savings from investing in HCC PSWs to increase HCC capacity. Beyond the economic evidence, how such investments would benefit those seeking care are also highlighted.


Assuntos
Governo , Salários e Benefícios , Feminino , Gravidez , Humanos , Ontário , Paridade , Redução de Custos
12.
Health Serv Insights ; 16: 11786329231178767, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37275948

RESUMO

With the Ontario healthcare system under strain the use of resources-particularly emergency medical services (EMS) is an increasing focus. Recent work has identified long-term care facilities as high users of EMS despite access to health-related support outside of the hospital. However, such insights are not available for home care. A retrospective review of administrative records of EMS calls drawn from over 6 million visits by home care providers found relatively low call rates: 8.4 calls per 100 000 personal support visits, 4.1 calls per 100 000 for rehabilitation providers, and 0.9 calls per 100 000 for nurses. The majority (85%) of calls resulted in transport to the hospital; the notable exception was fall-related events, and of these falls, a third (32%) were treated at home. Classification of reported physical symptoms suggests opportunities for leveraging in-home clinical specialists to avoid hospital transport where possible and preserve EMS capacity to respond to the most urgent and severe events.

13.
Health Serv Insights ; 16: 11786329231211774, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38028118

RESUMO

Background: Reducing hospital readmissions can improve individual health outcomes and lower system-level costs. This study aimed to understand the characteristics of home care Personal Support clients who experienced a hospital admission (ie, hospital hold) and to identify factors that predict hospital readmission within 30 days of resuming home care Personal Support services. Methods: We conducted a retrospective cohort study using client administrative data from a home healthcare provider organization (2018-2021). The sample included clients (⩾18 years) who received publicly funded Personal Support services and experienced a hospital hold. Descriptive statistics and a binary logistic regression model analyzed the relationship between demographics, hospital service utilization, home care service utilization, and contextual factors on the outcome of 30-day hospital readmission. Results: Approximately 17% (n = 662) of all clients with a hospital hold (n = 3992) were readmitted to hospital within 30 days. Compared with non-readmitted clients, those with greater home care Personal Support service intensity after the index hospital hold were less likely to experience a hospital 30-day readmission. In contrast, those with greater acuity, higher assessed care needs, more hospital holds overall, more extended hospital stays (⩾2 weeks), and lower social support had a higher likelihood of 30-day hospital readmission. Conclusion: The findings from this study provide a greater understanding of factors associated with home care clients' risk of hospital readmission within 30 days and can be used to inform targeted, evidence-based support to reduce home care clients' hospital readmissions.

14.
Health Serv Insights ; 16: 11786329231210692, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-38028120

RESUMO

Home care personal support service delivery decreased during the COVID-19 pandemic, and qualitative studies have suggested many potential contributors to these reductions. This paper provides insight into the source (client or provider) of reductions in home care service volumes early in the pandemic through analysis of a retrospective administrative dataset from a large provider organization. The percentage of authorized services not delivered was 17.2% in Wave 1, 12.6% in Wave 2 and 10.5% in Wave 3, nearing the pre-pandemic baseline of 8.9%. The dominant contribution to reduced home care service volumes was client-initiated holds and cancellations, collectively accounting for 99.3% of the service volume; missed care visits by the provider accounted for 0.7%. Worker availability also declined due to long-term absences (which increased 5-fold early in Wave 1 and remained 4× above baseline in Waves 2 and 3); short-term absences rose sharply for 6 early-pandemic weeks, then dropped below the pre-pandemic baseline. These data reveal that service volume reductions were primarily driven by client-initiated holds and cancellations; despite unprecedented decreases in Personal Support Worker availability, missed care did not increase, indicating that the decrease in demand was more substantial and occurred earlier than the decrease in worker availability.

15.
Can J Aging ; : 1-6, 2023 Sep 18.
Artigo em Inglês | MEDLINE | ID: mdl-37721030

RESUMO

Most older adults prefer to age in place, which for many will require home and community care (HCC) support. Unfortunately, HCC capacity is insufficient to meet demand due in part to low wages, particularly for personal support workers (PSWs) who provide the majority of paid care. Using Ontario as a case study, this paper estimates the cost and capacity impacts of implementing wage parity between PSWs employed in HCC and institutional long-term care (ILTC). Specifically, we consider the cost of increased HCC PSW wages versus expected savings from avoiding unnecessary ILTC placement for those accommodated by HCC capacity growth. The expected increase in HCC PSW retention would create HCC capacity for approximately 160,000 people, reduce annual health system costs by approximately $7 billion, and provide an 88 per cent return on investment. Updating wage structures to reduce turnover and enable HCC capacity growth is a cost-efficient option for expanding health system capacity.

16.
J Occup Environ Med ; 65(9): e604-e609, 2023 09 01.
Artigo em Inglês | MEDLINE | ID: mdl-37365749

RESUMO

OBJECTIVES: Personal support workers (PSWs) are an essential but vulnerable workforce supporting the home care sector in Canada. Given the impact COVID-19 has had on healthcare workers globally, understanding how PSWs have been impacted is vital. METHODS: We conducted a qualitative descriptive study to understand the working experiences of PSWs over the COVID-19 pandemic. Nineteen semistructured interviews were conducted, and analysis was guided by the collaborative DEPICT framework. RESULTS: Personal support workers are motivated by an intrinsic duty to work and their longstanding client relationships despite feeling vulnerable to transmission and infection. They experienced co-occurring occupational stressors and worsening work conditions, which impacted their overall well-being. CONCLUSIONS: Pandemic conditions have contributed to increased occupational stress among PSWs. Employers must implement proactive strategies that promote and protect the well-being of their workforce while advocating for sector improvements.


Assuntos
COVID-19 , Serviços de Assistência Domiciliar , Humanos , Pandemias , Canadá/epidemiologia , COVID-19/epidemiologia , Pesquisa Qualitativa
17.
Dermatitis ; 34(5): 413-418, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37158786

RESUMO

Background: Occupational hand dermatitis (OHD) is an important health concern for health care workers (HCWs), yet there is a lack of accessible training materials on this topic. Objectives: The objective of this study was to develop and evaluate an OHD training e-module for HCWs. Methods: The e-module was created in collaboration with an expert advisory committee and tested by Ontario HCWs through pre- and post-training OHD knowledge tests, a usability survey, and a survey about intent to change work skin care practices. Analyses of survey results included means and paired t-tests. Results: The 10-minute OHD training e-module for HCWs was tested by 254 HCWs and found to be highly usable, to increase OHD knowledge immediately and sustainably, and to change workplace skin care practices. Average OHD knowledge test scores significantly improved by 19% between the pretest (64.50%) and post-test (83.50%). Most 6-month follow-up survey respondents reported changing their skin care work practices (76.69%). Conclusions: This research addresses the previous lack of accessible OHD training for workers in health care settings. The creation and evaluation of a no-cost accessible OHD training e-module for workers in health care settings showed promising results across knowledge increase, knowledge retention, skin care behavior changes, and usability.


Assuntos
Dermatite Ocupacional , Eczema , Humanos , Pessoal de Saúde , Local de Trabalho , Atenção à Saúde
18.
Exp Brain Res ; 218(4): 589-99, 2012 May.
Artigo em Inglês | MEDLINE | ID: mdl-22411582

RESUMO

Reaching to grasp an object for support is a common and functionally important response to sudden balance perturbation. The need to react very rapidly (to prevent falling) imposes temporal constraints on acquisition and processing of the visuospatial information (VSI) needed to guide the reaching movement. Previous results suggested that the CNS may deal with these constraints by using VSI stored in memory proactively, prior to perturbation onset; however, the extent to which online visual control is necessary or sufficient to guide these reactions has not been established. This study examined the speed, accuracy, and effectiveness of perturbation-evoked reach-to-grasp reactions when forced to rely entirely on either online- or stored-VSI by using liquid-crystal goggles to occlude vision either before or after perturbation onset. The reactions were evoked, in twelve healthy young adults, via sudden unpredictable antero-posterior platform translation (barriers deterred stepping reactions). Prior to perturbation onset, a small cylindrical handhold was positioned unpredictably (by a motor-driven device) at one of four locations in front of the subject. Results indicated that equilibrium could be recovered successfully by grasping the handhold using either online-VSI or stored-VSI to guide the arm reaction; however, both sources of VSI were required for optimal performance. Reach initiation and arm movement were slowed when dependent on online-VSI, whereas reach accuracy and grip formation were impaired when dependent on stored-VSI. Comparison with normal-VSI trials suggests that both sources of VSI are utilized when grasping a small handhold for support under normal visual conditions, with stored-VSI predominating during initiation/transport and online-VSI contributing primarily to final target acquisition/prehension.


Assuntos
Retroalimentação Sensorial/fisiologia , Força da Mão/fisiologia , Movimento/fisiologia , Equilíbrio Postural , Desempenho Psicomotor/fisiologia , Adulto , Análise de Variância , Eletromiografia , Feminino , Mãos/inervação , Humanos , Masculino , Percepção de Movimento , Sistemas On-Line , Tempo de Reação/fisiologia , Percepção do Tempo , Gravação em Vídeo , Adulto Jovem
19.
Front Public Health ; 10: 915100, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36324476

RESUMO

Given the prevalence and severity of bathroom falls and injuries across age groups, there is growing interest in policy-level approaches to bathroom fall prevention. Grab bars reduce fall risk during bathing transfers and improve bathing accessibility for adults of all ages and abilities. However, they are frequently absent from bathing environments, even in the homes of individuals who have a specific need for a grab bar. While mandatory bathroom grab bar installation has been suggested, it is unclear whether this would be supported by Canadians. The purpose of this study was to characterize Canadian public perceptions on the installation and use of grab bars in home bathrooms. We surveyed 443 Canadians about whether they currently had a grab bar and their perspectives on grab bar policy. 65.4% of respondents did not have a grab bar. However, 88.5% of respondents would allow a grab bar to be installed in their bathroom at no cost to them, only 11.5% of respondents would object to grab bar installation becoming mandatory in new builds, and 85.6% of respondents would use a grab bar if it were installed in their bathroom. Responses were affected by age (in four groups: 18-39, 40-59, 60-79, and 80+ years), self-reported impairment, and home ownership status. Older adults, respondents who reported having impairments, and home owners were more likely to respond favorably toward grab bars. Based on these results, the majority of Canadians would respond positively to policy mandating bathroom grab bars in new homes.


Assuntos
Tecnologia Assistiva , Humanos , Idoso , Adolescente , Canadá , Acidentes por Quedas/prevenção & controle , Banheiros , Banhos
20.
Exp Brain Res ; 207(1-2): 105-18, 2010 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-20957351

RESUMO

For a reach-to-grasp reaction to prevent a fall, it must be executed very rapidly, but with sufficient accuracy to achieve a functional grip. Recent findings suggest that the CNS may avoid potential time delays associated with saccade-guided arm movements by instead relying on peripheral vision (PV). However, studies of volitional arm movements have shown that reaching is slower and/or less accurate when guided by PV, rather than central vision (CV). The present study investigated how the CNS resolves speed-accuracy trade-offs when forced to use PV to guide perturbation-evoked reach-to-grasp balance-recovery reactions. These reactions were evoked, in 12 healthy young adults, via sudden unpredictable antero-posterior platform translation (barriers deterred stepping reactions). In PV trials, subjects were required to look straight-ahead at a visual target while a small cylindrical handhold (length 25%> hand-width) moved intermittently and unpredictably along a transverse axis before stopping at a visual angle of 20°, 30°, or 40°. The perturbation was then delivered after a random delay. In CV trials, subjects fixated on the handhold throughout the trial. A concurrent visuo-cognitive task was performed in 50% of PV trials but had little impact on reach-to-grasp timing or accuracy. Forced reliance on PV did not significantly affect response initiation times, but did lead to longer movement times, longer time-after-peak-velocity and less direct trajectories (compared to CV trials) at the larger visual angles. Despite these effects, forced reliance on PV did not compromise ability to achieve a functional grasp and recover equilibrium, for the moderately large perturbations and healthy young adults tested in this initial study.


Assuntos
Força da Mão/fisiologia , Atividade Motora/fisiologia , Equilíbrio Postural/fisiologia , Visão Ocular/fisiologia , Adulto , Análise de Variância , Feminino , Humanos , Masculino , Movimento/fisiologia , Desempenho Psicomotor/fisiologia , Tempo de Reação/fisiologia , Gravação em Vídeo , Percepção Visual/fisiologia
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