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1.
Immunity ; 42(5): 965-76, 2015 May 19.
Artigo em Inglês | MEDLINE | ID: mdl-25992865

RESUMO

Colonization by Lactobacillus in the female genital tract is thought to be critical for maintaining genital health. However, little is known about how genital microbiota influence host immune function and modulate disease susceptibility. We studied a cohort of asymptomatic young South African women and found that the majority of participants had genital communities with low Lactobacillus abundance and high ecological diversity. High-diversity communities strongly correlated with genital pro-inflammatory cytokine concentrations in both cross-sectional and longitudinal analyses. Transcriptional profiling suggested that genital antigen-presenting cells sense gram-negative bacterial products in situ via Toll-like receptor 4 signaling, contributing to genital inflammation through activation of the NF-κB signaling pathway and recruitment of lymphocytes by chemokine production. Our study proposes a mechanism by which cervicovaginal microbiota impact genital inflammation and thereby might affect a woman's reproductive health, including her risk of acquiring HIV.


Assuntos
Interações Hospedeiro-Patógeno/imunologia , Lactobacillus/imunologia , Vagina/imunologia , Vagina/microbiologia , Adolescente , Adulto , África , Bactérias/genética , Bactérias/imunologia , Biodiversidade , Citocinas/imunologia , Feminino , Humanos , Lactobacillus/genética , RNA Ribossômico 16S/genética , Análise de Sequência , África do Sul , Adulto Jovem
2.
Health Commun ; : 1-10, 2024 May 10.
Artigo em Inglês | MEDLINE | ID: mdl-38726586

RESUMO

Designing effective public health messages is challenging, particularly when communicating complex and relatively new health messages such as dementia risk prevention which are still largely unfamiliar to the public. The accessibility of these messages, especially for individuals who speak English as an additional language, remains uncertain in large scale educational interventions. A key strategy to enhance the communication of evidence-based information is to co-design infographics that optimize the accessibility and impact of visual health messages. This paper reports on the co-design process of infographing dementia prevention messages. Qualitative data were analyzed using reflective thematic analysis to generate three themes reflecting the message design preferences of participants: "all hands on deck," "charting the course," and "get on board." This work supports the crucial need to engage the target audience via co-design when creating visual messages as meaningful and accessible educational tools that will resonate with the intended audience. Doing so may help health communicators navigate the creation of visual messages across diverse health domains and populations.

3.
Scand J Public Health ; 51(2): 301-308, 2023 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-34727778

RESUMO

BACKGROUND: Modifiable risk factors for dementia account for 40% of cases worldwide and exert impacts on risk across the life course. To have maximal public health impact, dementia risk-reduction initiatives need to reach a large and diverse audience, including people from a wide range of ages and socioeconomic backgrounds. Currently, dementia risk-reduction interventions primarily reach a narrow audience, consisting largely of highly educated older adults from high income countries. METHODS: In this commentary, we review established dissemination models to identify strategies that could be used to extend and broaden the reach of dementia risk-reduction initiatives. Three potential reach-broadening strategies can be identified from these models: engaging with distinct user groups; focusing on interpersonal communication; and utilising dissemination agents. RESULTS: Engaging with distinct user groups and utilising dissemination agents show promise for broadening the reach of dementia risk-reduction initiatives, while interpersonal communication has received limited attention in this context. Further evaluation of the impact of interpersonal communication may provide avenues to take advantage of this dissemination method. CONCLUSIONS: Based on the reviewed models and data from current risk-reduction initiatives, we suggest that utilising all three of these strategies may most effectively broaden the reach of dementia risk-reduction initiatives. This may promote risk reduction among a larger and more diverse audience, more equitably reducing the global impact of dementia.


Assuntos
Demência , Humanos , Idoso , Fatores de Risco , Comportamento de Redução do Risco
4.
BMC Public Health ; 23(1): 1886, 2023 09 29.
Artigo em Inglês | MEDLINE | ID: mdl-37773122

RESUMO

BACKGROUND: Unmanaged cardiometabolic health, low physical and cognitive activity, poor diet, obesity, smoking and excessive alcohol consumption are modifiable health risk factors for dementia and public health approaches to dementia prevention have been called for. The Island Study Linking Ageing and Neurodegenerative Disease (ISLAND) is a dementia prevention public health study examining whether improving knowledge about modifiable dementia risk factors supports behaviour changes that reduce future dementia risk. METHODS: Residents of Tasmania, Australia, aged 50 + years who joined the 10-year ISLAND study were asked to complete annual online surveys about their knowledge, motivations and behaviours related to modifiable dementia risk. ISLAND included two knowledge-based interventions: a personalised Dementia Risk Profile (DRP) report based on survey responses, and the option to do a 4-week Preventing Dementia Massive Open Online Course (PDMOOC). Longitudinal regression models assessed changes in the number and type of risk factors, with effects moderated by exposures to the DRP report and engagement with the PDMOOC. Knowledge and motivational factors related to dementia risk were examined as mediators of risk behaviour change. RESULTS: Data collected between October 2019 and October 2022 (n = 3038, av. 63.7 years, 71.6% female) showed the mean number of modifiable dementia risk factors per participant (range 0 to 9) reduced from 2.17 (SD 1.24) to 1.66 (SD 1.11). This change was associated with the number of exposures to the DRP report (p = .042) and was stronger for PDMOOC participants (p = .001). The interaction between DRP and PDMOOC exposures yielded a significant improvement in risk scores (p = .004). The effect of PDMOOC engagement on behaviour change was partly mediated by increased knowledge (12%, p = .013). Self-efficacy enhanced the effect of knowledge on behaviour change, while perceived susceptibility to dementia mitigated this relationship. CONCLUSIONS: The ISLAND framework and interventions, a personalised DRP report and the four-week PDMOOC, work independently and synergistically to increase dementia risk knowledge and stimulate health behaviour change for dementia risk reduction. ISLAND offers a feasible and scalable public health approach for redressing the rising prevalence of dementia.


Assuntos
Demência , Doenças Neurodegenerativas , Humanos , Feminino , Masculino , Saúde Pública , Comportamentos Relacionados com a Saúde , Demência/epidemiologia , Demência/prevenção & controle , Envelhecimento
5.
J Health Commun ; 28(1): 64-72, 2023 01 02.
Artigo em Inglês | MEDLINE | ID: mdl-36825335

RESUMO

Dementia prevention is an area of health where public knowledge remains limited. A growing number of education initiatives are attempting to rectify this, but they tend to reach audiences of limited size and diversity, limiting intervention-associated health equity. However, initiative participants tend to discuss these initiatives and the information they contain with members of their social network, increasing the number and diversity of people receiving dementia risk reduction information. In this qualitative study, we sought to understand the drivers of this information sharing. We interviewed 39 people from Tasmania, Australia who completed the Preventing Dementia Massive Open Online Course in May 2020. We identified themes from responses to semi-structured interview questions using reflexive thematic analysis. We identified three key drivers of information sharing: participants' personal course experiences; participants finding information sharing opportunities with people they expected to be receptive; and conversation partners' responses to conversation topics. These drivers aligned with existing communication theories, with dementia-related stigma effecting both actual and perceived conversation partner receptivity. Understanding the drivers of information sharing may allow information about dementia risk reduction, and other preventative health behaviors, to be presented in ways that facilitate information diffusion, increasing equity in preventative health education.


Assuntos
Comunicação , Demência , Humanos , Pesquisa Qualitativa , Educação em Saúde , Demência/prevenção & controle , Austrália
6.
Aging Ment Health ; 27(5): 887-895, 2023 05.
Artigo em Inglês | MEDLINE | ID: mdl-35195059

RESUMO

OBJECTIVES: This study compared discussion board involvement between family carers and non-carers in the Understanding Dementia Massive Open Online Course (UD-MOOC). METHODS: A mixed methods observational cohort study of family carers and non-carers was undertaken over the February-April 2020 UD-MOOC. Discussion board engagement was measured as number of posts and replies and examined longitudinally using mixed models. Discussion topics were explored through structural topic models (STM). Subsequently, thematic analysis of STM derived-topic exemplars was conducted to contextualise these discussions. RESULTS: Family carers were (n = 2320) found to post (p < 0.001) and reply (p = 0.029) significantly more often than non-carers (n = 2392). Of the 32-STM derived-topics, meaningful activities (mean Δ = 0.007, 95% CrI [0.005-0.100]), personal stories of diagnosis (mean Δ = 0.007, 95% CrI [0.005-0.009]), and family history of dementia (mean Δ = 0.006, 95% CrI [0.004-0.008]) were discussed significantly more frequently by family carers compared to non-carers. CONCLUSION: These results may reflect underlying motivational differences and circumstantial relevance. Perhaps the greater engagement by family carers is related to a sense of having inadequate relevant offline social resources, where engagement in the UD-MOOC discussion boards may serve as means to share experiences with others.


Assuntos
Demência , Educação a Distância , Humanos , Família , Cuidadores
7.
Health Promot J Austr ; 34(2): 561-569, 2023 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-35355355

RESUMO

ISSUE ADDRESSED: Encouraging people to adopt life-long habits that reduce dementia risk is necessary to manage the growing global prevalence of this condition and is, therefore, a global health priority. Current initiatives promoting risk-reducing behaviour primarily attract participants from a limited range of backgrounds, even if widely available. This may inadvertently increase health inequities, as the people who are most likely to develop dementia are the people who are least involved in risk-reduction initiatives. Interpersonal communication can effectively disseminate health messages to demographically diverse populations and may, therefore, broaden the reach of dementia risk-reduction information. METHODS: Coding reliability thematic analysis was used to categorise reports of information sharing provided by participants from one global online dementia risk education initiative, the Preventing Dementia Massive Open Online Course, or MOOC. These reports of information sharing were provided in response to the feedback question: "If you have already applied your MOOC learning, please tell us how." RESULTS: Information was reportedly shared with a wide range of people, including those from demographic groups that are under-represented among Preventing Dementia MOOC participants. Information about specific risk factors was shared, along with general information about the course and/or dementia risk reduction. Some participants also reported that the people they shared information with were initiating risk-reducing behaviours. CONCLUSION: Interpersonal communication has the potential to disseminate dementia risk reduction information to, and promote behaviour change among, a broad group of people at risk of dementia, thereby increasing equity in dementia risk education.


Assuntos
Demência , Educação a Distância , Humanos , Reprodutibilidade dos Testes , Comunicação , Fatores de Risco , Demência/prevenção & controle
8.
Artigo em Inglês | MEDLINE | ID: mdl-34997624

RESUMO

OBJECTIVES: Dementia is a stigmatised condition and dementia-related stigma is associated with low self-esteem, poor psychological wellbeing, social isolation and poor quality of life in people living with dementia and their families. There is, however, a lack of valid measures that accurately quantify dementia-related stigma in the general public. This study reports the initial psychometric evaluation of a new tool designed to measure dementia-related public stigma amongst community dwelling adults. METHODS: A sample of 3250 individuals aged 18 and over completed an online survey on their beliefs and feelings regarding dementia and people living with dementia, and their behavioural intentions towards people living with dementia. Exploratory factor analysis (EFA) using Maximum Likelihood with oblique rotation was performed to extract factors. Confirmatory factor analysis (CFA) was used to confirm the factor structure using goodness-of-fit index (GFI), the comparative fit index (CFI), and the root mean square error of approximation (RMSEA) to evaluate the model fit. Internal consistency was measured for the final scale version. RESULTS: EFA resulted in a 16-item, 5-factor model (Fear and discomfort, Negative perceptions, Positive perceptions, Burden, and Exclusion) that explained 50.43% of the total variance. The CFA-estimated model demonstrated a good fit; all fit indices were larger than 0.95 (GFI = 0.967, CFI = 0.959) and smaller than 0.05 (RMSEA = 0.048). The final scale showed moderate to high reliability scores ranging from α = 0.738 to 0.805. CONCLUSIONS: The Dementia Public Stigma Scale is a tool with reliability, and some demonstrated validity. This scale can be used to measure the public stigma of dementia amongst adults and may be used in the development and evaluation of interventions aimed at dementia-related stigma reduction.


Assuntos
Demência , Qualidade de Vida , Adolescente , Adulto , Análise Fatorial , Humanos , Psicometria , Reprodutibilidade dos Testes , Estigma Social , Inquéritos e Questionários
9.
Appetite ; 177: 106126, 2022 10 01.
Artigo em Inglês | MEDLINE | ID: mdl-35697154

RESUMO

People with dementia are at high risk of malnutrition as a result of progressive symptoms that affect eating. Maximising opportunities to enhance nutrition and strategies to encourage eating are a crucial part of providing care. Caregiver knowledge and a person-centred approach to eating is essential to reduce symptom burden and maintain quality of life. There is currently limited research investigating first person perceptions of eating with dementia, particularly beyond small sample sizes. Therefore, this paper aims to explore community perceptions of how best to encourage eating for people with dementia using findings from an online course. Within the Understanding Dementia Massive Open Online Course, responses to the following statement were collected: 'If I had dementia, the things that might help me to eat include…'. A total of 3,651 participant responses were collected from the 2018 and 2019 course enrolments and analysed using structural topic modelling and secondary thematic analysis. The majority of participants were female, tertiary educated Australians over 50 years old. A third were paid caregivers. Thirteen topics were isolated from topic modelling that can be reduced into six broad categories: food type personalisation, meal choice, meal presentation, eating environment, eating assistance and end of life nutrition. Participant responses demonstrated diverse awareness of important aspects to encourage eating in dementia. Findings support the need for improved uptake of nutritional strategies in practice and education on eating with dementia to support caregivers.


Assuntos
Demência , Educação a Distância , Austrália , Cuidadores , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Qualidade de Vida
10.
Aging Ment Health ; 26(3): 442-456, 2022 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-33563025

RESUMO

OBJECTIVES: To assess evidence regarding the effects of interventions aimed at improving dementia literacy for different groups of non-health-professionals. METHODS: A systematic search for relevant interventions was conducted using a range of online databases (e.g. CINAHL, Embase, Medline, ProQuest, and PsycINFO) and hand-searching of reference lists. Eligible interventions were identified based on predefined inclusion/exclusion criteria and methodological quality criteria. Meta analyses were performed using a random-effects model. RESULTS: The final review included 14 interventions, which were either randomised controlled trials or non-randomised controlled trials. The interventions had varied contents, approaches, settings, and outcome measures. Evidence of improved dementia literacy in various aspects was found, and the intervention effects were strongest on knowledge of dementia. DISCUSSION: There is evidence for the positive impact of dementia literacy interventions on different groups of non-health-professionals. Best practices in intervention contents, approaches, and outcome measures should be examined to guide future interventions.


Assuntos
Demência , Alfabetização , Demência/terapia , Humanos
11.
Aging Ment Health ; 26(12): 2489-2495, 2022 12.
Artigo em Inglês | MEDLINE | ID: mdl-34669522

RESUMO

Objectives: The Consumer Access, Appraisal, and Application of Services and Information for Dementia (CAAASI-Dem) was developed to examine individuals' self-assessed confidence in their ability to access, appraise and use dementia services and information. The CAAASI-Dem is the only tool to date to measure this crucial component of dementia literacy. This study was designed to validate its structural validity.Method: Data was collected from 3277 participants enrolled in an on-line dementia course. The five-factor structure of the CAAASI-Dem, which was derived from a previous exploratory factor analysis, was evaluated using confirmatory factor analysis. Internal reliability, convergent and divergent validity, and known-groups validity were assessed. Results: The five-factor model demonstrated good fit with the observed data with the removal of 2 items and movement of 1 item across the factors. The resultant 24-item five-factor CAAASI-Dem showed very good sub-scale internal reliability and satisfactory convergent and divergent validity. There was good discrimination between groups of participants with different levels of care experience.Conclusion: The results provided evidence for the 24-item CAAASI-Dem as a valid and reliable five-dimensional scale. Limitations of the study are discussed, and recommendations are made for future research and practice.


Assuntos
Demência , Letramento em Saúde , Humanos , Reprodutibilidade dos Testes , Psicometria , Análise Fatorial , Demência/terapia , Inquéritos e Questionários , Letramento em Saúde/métodos
12.
J Med Internet Res ; 23(12): e21681, 2021 12 07.
Artigo em Inglês | MEDLINE | ID: mdl-34878985

RESUMO

BACKGROUND: Massive open online course (MOOC) research is an emerging field; to date, most research in this area has focused on participant engagement. OBJECTIVE: The aim of this study is to evaluate both participant engagement and measures of satisfaction, appropriateness, and burden for a MOOC entitled Understanding Multiple Sclerosis (MS) among a cohort of 3518 international course participants. METHODS: We assessed the association of key outcomes with participant education level, MS status, caregiver status, sex, and age using summary statistics, and 2-tailed t tests, and chi-square tests. RESULTS: Of the 3518 study participants, 928 (26.37%) were people living with MS. Among the 2590 participants not living with MS, 862 (33.28%) identified as formal or informal caregivers. Our key findings were as follows: the course completion rate among study participants was 67.17% (2363/3518); the course was well received, with 96.97% (1502/1549) of participants satisfied, with an appropriate pitch and low burden (a mean of 2.2 hours engagement per week); people living with MS were less likely than those not living with MS to complete the course; and people with a recent diagnosis of MS, caregivers, and participants without a university education were more likely to apply the material by course completion. CONCLUSIONS: The Understanding MS MOOC is fit for purpose; it presents information in a way that is readily understood by course participants and is applicable in their lives.


Assuntos
Esclerose Múltipla , Estudos de Coortes , Humanos , Universidades
13.
Aust J Rural Health ; 29(4): 530-537, 2021 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-34351673

RESUMO

OBJECTIVES: To investigate dementia knowledge within a rural Australian general public cohort and understand demographic predictors of knowledge in this population. DESIGN: A cross-sectional study comprising quantitative surveys. SETTING: 321 participants were recruited from the Tasmanian general public (February-September 2017). PARTICIPANTS: 28% of participants were from remote or outer regional postcodes; the remainder were from inner regional areas. The median age was 46 years; 35% were male. 30% had participated in prior dementia education, 29% had worked with people living with dementia, and 23% had no identified personal experience of people living with dementia. INTERVENTIONS: No interventions were conducted as part of this study. MAIN OUTCOME MEASURES: Dementia knowledge was assessed using the Dementia Knowledge Assessment Scale. Demographic variables were also collected. RESULTS: Mean dementia knowledge was moderate and participants scored highest on the care considerations subscale. Those with personal experience with a person living with dementia scored significantly higher on all subscales, and overall, than those without. Dementia education, general education, and previous work, care or close relationship with people living with dementia were all significant predictors in a regression model explaining nearly a third of the variance in overall dementia knowledge. CONCLUSION: While personal experience of dementia improves knowledge of the condition, dementia education is the most important predictor. Deficits identified in knowledge of risk factors, and incomplete knowledge about aspects important to quality care, suggest a need for further education for the general public, particularly in the light of the rising prevalence of dementia in ageing rural populations.


Assuntos
Demência , Conhecimentos, Atitudes e Prática em Saúde , População Rural , Estudos Transversais , Demência/epidemiologia , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Inquéritos e Questionários , Tasmânia
14.
BMC Geriatr ; 20(1): 484, 2020 11 19.
Artigo em Inglês | MEDLINE | ID: mdl-33213386

RESUMO

BACKGROUND: The ability to locate, navigate and use dementia services and information, either for oneself or in providing care for others, is an essential component of dementia literacy. Despite dementia literacy being understood to be inadequate in many settings, no validated instrument exists to measure these elements. Here we describe the development and preliminary validation of the Consumer Access, Appraisal and Application of Services and Information for Dementia (CAAASI-Dem) tool. METHODS: Items were adapted from existing health literacy tools and guided by discussion posts in the Understanding Dementia Massive Open Online Course (UDMOOC). Following expert review and respondent debriefing, a modified CAAASI-Dem was administered to UDMOOC participants online. On the basis of descriptive statistics, inter-item and item total correlations and qualitative feedback, this was further refined and administered online to a second cohort of UDMOOC participants. Exploratory factor analysis identified underlying factor structure. Items were retained if they had significant factor loadings on one factor only. Each factor required at least three items with significant factor loadings. Internal consistency of factors in the final model was evaluated using Cronbach's alpha coefficients. RESULTS: From a pool of 70 initial items with either a 5-point Likert scale (Not at all confident - Extremely confident; or Strongly agree - Strongly disagree) or a binary scale (Yes - No), 65 items were retained in CAAASI-Dem-V1. Statistical and qualitative analysis of 1412 responses led to a further 34 items being removed and 11 revised to improve clarity. The 31 item CAAASI-Dem-V2 tool was subsequently administered to 3146 participants, one item was removed due to redundancy and EFA resulted in the removal of an additional 4 items and determination of a five factor structure: Evaluation and engagement; Readiness; Social supports; Specific dementia services; and Practical aspects. CONCLUSIONS: The five factors and 26 constituent items in CAAASI-Dem align with functional, critical, and communicative aspects of dementia health literacy from the perspective of the carer. As a screening tool for people living with dementia and their carers, CAAASI-Dem potentially provides a means to determine support needs and may be a key component of the dementia literacy assessment toolbox.


Assuntos
Demência , Letramento em Saúde , Demência/diagnóstico , Demência/terapia , Análise Fatorial , Humanos , Psicometria , Reprodutibilidade dos Testes , Inquéritos e Questionários
15.
BMC Fam Pract ; 20(1): 6, 2019 01 08.
Artigo em Inglês | MEDLINE | ID: mdl-30621599

RESUMO

BACKGROUND: The attitude of General Practitioner's (GP's) towards dementia and confidence in their clinical abilities impacts on diagnosis rates and management of the condition. The purpose of the present research is to refine and confirm the reliability and validity of the General Practitioner Attitudes and Confidence Scale for Dementia (GPACS-D) as a tool to measure confidence and attitude. METHODS: A sample of 194 GP volunteers attending dementia education workshops were recruited to complete the GPACS-D before and after the workshop. Volunteer respondents comprised both GP Registrars and GP Supervisors. Analyses included Confirmatory Factor Analysis (CFA), measures of internal consistency, Pearson correlations, and a comparison of subscale scores between cohorts (T-Test for independent samples). RESULTS: Findings of the CFA support a 15-item, 3-factor model with four items removed due to poor performance and one item moved between factors. The resultant model exhibited good fit (x2 = 103.88; p = .105; RMSEA = .032; PCLOSE = .915; CFI = .967; TLI = 960), with acceptable internal consistency. Subscales exhibited clear discriminant validity with no underlying relationships between subscales. Finally, total and subscale scores exhibited good discrimination between groups who would be expected to score differently based on experience and level of exposure to dementia. CONCLUSION: The 15-item, 3-subscale GPACS-D is a reliable and valid measure of GP confidence and attitudes toward dementia. The subscales clearly distinguish between groups who might be expected to score differently from each other based on their training or professional experiences. The psychometric properties of the GPACS-D support its use as a research tool.


Assuntos
Atitude do Pessoal de Saúde , Demência/diagnóstico , Clínicos Gerais , Adulto , Idoso , Competência Clínica , Análise Fatorial , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Reprodutibilidade dos Testes
16.
Palliat Med ; 32(3): 594-602, 2018 03.
Artigo em Inglês | MEDLINE | ID: mdl-29235386

RESUMO

BACKGROUND: A palliative approach to the care of people with dementia has been advocated, albeit from an emergent evidence base. The person-centred philosophy of palliative care resonates with the often lengthy trajectory and heavy symptom burden of this terminal condition. AIM: To explore participants' understanding of the concept of palliative care in the context of dementia. The participant population took an online course in dementia. DESIGN: The participant population took a massive open online course on 'Understanding Dementia' and posted answers to the question: 'palliative care means …' We extracted these postings and analysed them via the dual methods of topic modelling analysis and thematic analysis. SETTING/PARTICIPANTS: A total of 1330 participants from three recent iterations of the Understanding Dementia Massive Open Online Course consented to their posts being used. Participants included those caring formally or informally for someone living with dementia as well as those with a general interest in dementia Results: Participants were found to have a general awareness of palliative care, but saw it primarily as terminal care, focused around the event of death and specialist in nature. Comfort was equated with pain management only. Respondents rarely overtly linked palliative care to dementia. CONCLUSIONS: A general lack of palliative care literacy, particularly with respect to dementia, was demonstrated by participants. Implications for dementia care consumers seeking palliative care and support include recognition of the likely lack of awareness of the relevance of palliative care to dementia. Future research could access online participants more directly about their understandings/experiences of the relationship between palliative care and dementia.


Assuntos
Demência/enfermagem , Enfermagem de Cuidados Paliativos na Terminalidade da Vida/métodos , Cuidados Paliativos/métodos , Assistência Centrada no Paciente/métodos , Assistência Terminal/métodos , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Pesquisa Qualitativa , Qualidade de Vida , Adulto Jovem
17.
Chem Res Toxicol ; 27(5): 805-17, 2014 May 19.
Artigo em Inglês | MEDLINE | ID: mdl-24741991

RESUMO

1,3-Butadiene (BD) is an industrial and environmental chemical present in urban air and cigarette smoke, and is classified as a human carcinogen. It is oxidized by cytochrome P450 to form 1,2,3,4-diepoxybutane (DEB); DEB bis-alkylates the N(6) position of adenine in DNA. Two enantiomers of bis-N(6)-dA adducts of DEB have been identified: R,R-N(6),N(6)-(2,3-dihydroxybutan-1,4-diyl)-2'-deoxyadenosine (R,R-DHB-dA), and S,S-N(6),N(6)-(2,3-dihydroxybutan-1,4-diyl)-2'-deoxyadenosine (S,S-DHB-dA) [ Seneviratne , U. , Antsypovich , S. , Dorr , D. Q. , Dissanayake , T. , Kotapati , S. , and Tretyakova , N. ( 2010 ) Chem. Res. Toxicol. 23 , 1556 -1567 ]. Herein, the R,R-DHB-dA and S,S-DHB-dA adducts have been incorporated into the 5'-d(C(1)G(2)G(3)A(4)C(5)X(6)A(7)G(8)A(9)A(10)G(11))-3':5'-d(C(12)T(13)T(14)C(15)T(16)T(17)G(18)T(19)C(20)C(21)G(22))-3' duplex [X(6) = R,R-DHB-dA (R(6)) or S,S-DHB-dA (S(6))]. The structures of the duplexes were determined by molecular dynamics calculations, which were restrained by experimental distances obtained from NMR data. Both the R,R- and S,S-DHB-dA adducts are positioned in the major groove of DNA. In both instances, the bulky 3,4-dihydroxypyrrolidine rings are accommodated by an out-of-plane rotation about the C6-N(6) bond of the bis-alkylated adenine. In both instances, the directionality of the dihydroxypyrrolidine ring is evidenced by the pattern of NOEs between the 3,4-dihydroxypyrrolidine protons and DNA. Also in both instances, the anti conformation of the glycosyl bond is maintained, which combined with the out-of-plane rotation about the C6-N(6) bond, allows the complementary thymine, T(17), to remain stacked within the duplex, and form one hydrogen bond with the modified base, between the imine nitrogen of the modified base and the T(17) N3H imino proton. The loss of the second Watson-Crick hydrogen bonding interaction at the lesion sites correlates with the lower thermal stabilities of the R,R- and S,S-DHB-dA duplexes, as compared to the corresponding unmodified duplex. The reduced base stacking at the adduct sites may also contribute to the thermal instability.


Assuntos
Poluentes Atmosféricos/toxicidade , Carcinógenos/toxicidade , Adutos de DNA/metabolismo , Desoxiadenosinas/metabolismo , Compostos de Epóxi/toxicidade , Poluentes Atmosféricos/metabolismo , Sequência de Bases , Carcinógenos/metabolismo , Adutos de DNA/química , Desoxiadenosinas/química , Compostos de Epóxi/metabolismo , Humanos , Modelos Moleculares , Ressonância Magnética Nuclear Biomolecular , Poluição por Fumaça de Tabaco/efeitos adversos , Poluição por Fumaça de Tabaco/análise
18.
BMC Health Serv Res ; 14: 201, 2014 May 02.
Artigo em Inglês | MEDLINE | ID: mdl-24885453

RESUMO

BACKGROUND: Pediatric antiretroviral therapy (ART) has been shown to substantially reduce morbidity and mortality in HIV-infected infants and children. To accurately project program costs, analysts need accurate estimations of antiretroviral drug (ARV) costs for children. However, the costing of pediatric antiretroviral therapy is complicated by weight-based dosing recommendations which change as children grow. METHODS: We developed a step-by-step methodology for estimating the cost of pediatric ARV regimens for children ages 0-13 years old. The costing approach incorporates weight-based dosing recommendations to provide estimated ARV doses throughout childhood development. Published unit drug costs are then used to calculate average monthly drug costs. We compared our derived monthly ARV costs to published estimates to assess the accuracy of our methodology. RESULTS: The estimates of monthly ARV costs are provided for six commonly used first-line pediatric ARV regimens, considering three possible care scenarios. The costs derived in our analysis for children were fairly comparable to or slightly higher than available published ARV drug or regimen estimates. CONCLUSIONS: The methodology described here can be used to provide an accurate estimation of pediatric ARV regimen costs for cost-effectiveness analysts to project the optimum packages of care for HIV-infected children, as well as for program administrators and budget analysts who wish to assess the feasibility of increasing pediatric ART availability in constrained budget environments.


Assuntos
Fármacos Anti-HIV/administração & dosagem , Fármacos Anti-HIV/economia , Peso Corporal , Custos de Medicamentos , Cálculos da Dosagem de Medicamento , Infecções por HIV/tratamento farmacológico , Recursos em Saúde/provisão & distribuição , Organização Mundial da Saúde , Adolescente , Criança , Pré-Escolar , Custos e Análise de Custo/métodos , Custos de Medicamentos/estatística & dados numéricos , Feminino , Guias como Assunto , Humanos , Lactente , Recém-Nascido , Masculino
19.
Dementia (London) ; 22(2): 305-327, 2023 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-36473712

RESUMO

Most residential aged care facilities support residents to participate in activities and the importance of activities that are suited to individual preferences and abilities is widely acknowledged. Participating in activities, including those considered to be 'meaningful' has the potential to improve residents' quality of life. However, what makes activities meaningful for people living with dementia in residential aged care facilities is unclear. The aim of this study was to understand the key characteristics of 'meaningful activity' in residential aged care facilities and the perceived value of residents participating in these activities. Using a qualitative study design, this study explored 'meaningful activities' from the perspectives of people living with dementia in residential aged care facilities, their family members and staff. Across four residential aged care facilities, residents (n = 19) and family members (n = 17) participated in individual interviews while staff (n = 15) participated in focus group interviews. Interviews were recorded, transcribed and analysed using a qualitative content analysis approach. Participant responses suggest that the meaning of an activity is subjective, varying over time and between individuals. Key characteristics of an activity that makes it meaningful include being enjoyable, social and engaging, aligning with the persons' interests, preferences, and abilities. To be considered meaningful, activities need to do more than occupy the person. The activity needs to be linked to a personally relevant goal and an aspect of the individuals' identity. Participating in 'meaningful activities' was perceived as valuable to encourage participation and socialising, provide a sense of normality for residents and improve their wellbeing. The findings of this study further our understanding of the concept of 'meaningful activity' for people living with dementia in residential aged care facilities. Understanding the key attributes of 'meaningful activity' can also provide practical guidance for those supporting people with dementia to participate in these types of activities.


Assuntos
Demência , Idoso , Humanos , Qualidade de Vida , Instituição de Longa Permanência para Idosos , Grupos Focais , Pesquisa Qualitativa , Instituições Residenciais
20.
Dementia (London) ; 22(8): 1977-1993, 2023 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-37708304

RESUMO

BACKGROUND: Population ageing in low and middle-income Asian countries is associated with increased prevalence of dementia. The proportion of people with dementia in countries such as Bangladesh and Thailand are increasing. People with dementia can have complex care and health service needs. If these needs are not adequately met, this can result in a decreased quality of life and burden on the health system. There is considerable research into the needs of people with dementia in high-income countries. However, research on the needs of people living with dementia in low and middle-income countries remains underexplored. The aim of this study was to review and summarise the literature on the health and social care needs of older people with dementia in low and middle-income Asian countries. METHODS: Five online databases (PubMed, Scopus, Web of Science, CINAHL and PsycINFO) and google scholar were searched. The databases were searched using a selection of key words. PRISMA-ScR approach was followed in reporting the process. KEY FINDINGS: We extracted eight studies related to the health and social care needs of people with dementia that met our inclusion criteria. From the available literature, needs were categorised across five categories: (i) social, cognitive, and mental health needs; (ii) physical needs; (iii) care and service needs; (iv) knowledge-related needs; and (v) spiritual care needs. CONCLUSION: While eight papers were located which discussed the needs of people with dementia across a range of domains, this review demonstrates a deficit in the current evidence-base about the health and social care needs of people living with dementia in low and middle-income Asian countries. Further research is needed to identify health and care needs of people with dementia and how these needs are being met.


Assuntos
Demência , Idoso , Humanos , Demência/complicações , Países em Desenvolvimento , Qualidade de Vida , Apoio Social , Povo Asiático
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