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OBJECTIVE: Remote hearing screening and assessment may improve access to, and uptake of, hearing care. This review, the most comprehensive to date, aimed to (i) identify and assess functionality of remote hearing assessment tools on smartphones and online platforms, (ii) determine if assessed tools were also evaluated in peer-reviewed publications and (iii) report accuracy of existing validation data. DESIGN: Protocol was registered in INPLASY and reported according to PRISMA-Extension for Scoping Reviews. STUDY SAMPLE: In total, 187 remote hearing assessment tools (using tones, speech, self-report or a combination) and 101 validation studies met the inclusion criteria. Quality, functionality, bias and applicability of each app were assessed by at least two authors. RESULTS: Assessed tools showed considerable variability in functionality. Twenty-two (12%) tools were peer-reviewed and 14 had acceptable functionality. The validation results and their quality varied greatly, largely depending on the category of the tool. CONCLUSION: The accuracy and reliability of most tools are unknown. Tone-producing tools provide approximate hearing thresholds but have calibration and background noise issues. Speech and self-report tools are less affected by these issues but mostly do not provide an estimated pure tone audiogram. Predicting audiograms using filtered language-independent materials could be a universal solution.
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Aplicativos Móveis , Humanos , Reprodutibilidade dos Testes , Testes Auditivos , Ruído , AudiçãoRESUMO
INTRODUCTION: Hearing, vision, and cognitive impairment commonly co-occur in older people. However, the rate of recognition and appropriate management of combined hearing and vision impairment in people with dementia impairment is low. The aim of this work was to codevelop internationally relevant, multidisciplinary practice recommendations for professionals involved in the diagnosis, care, and management of older people with these concurrent conditions. METHODS: We applied consensus methods with professional and lay expert stakeholders, using an adapted version of the World Health Organization Handbook for Guideline Development. The development involved 4 phases and included: (1) collating existing evidence, (2) filling the gaps in evidence, (3) prioritising evidence, and (4) refining the final list of recommendations. Each phase encompassed various methodologies including a review of existing guidelines within the 3 clinical domains, systematic reviews, qualitative studies, a clinical professional consortium, surveys, and consensus meetings with interdisciplinary domain experts. RESULTS: The task force evaluated an initial list of 26 recommendations, ranking them in the order of priority. A consensus was reached on 15 recommendations, which are classified into 6 domains of "awareness and knowledge," "recognition and detection," "evaluation," "management," "support," and "services and policies." Pragmatic options for implementation for each domain were then developed. CONCLUSION: This is the first set of international, interdisciplinary practice recommendations that will guide the development of multidisciplinary services and policy to improve the lives of people with dementia and hearing and vision impairment.
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Disfunção Cognitiva , Demência , Idoso , Disfunção Cognitiva/diagnóstico , Demência/complicações , Demência/diagnóstico , Demência/terapia , Audição , Humanos , Pesquisa Qualitativa , Inquéritos e QuestionáriosRESUMO
OBJECTIVES: Hearing, vision, and cognitive impairment commonly co-occur in older adults. Improving sensory function may positively impact outcomes in people with dementia (PwD). We developed a "sensory intervention" (SI) to support hearing and vision in PwD. Here, we report the findings of an international open-label field trial, and nested case series, to explore the impact of the SI on dementia-related outcomes. METHODS: This was a home-based trial conducted in France, England, and Cyprus. Participants were people with mild-to-moderate dementia and hearing and/or vision impairment (n = 19) and their study partners (unpaid carers; n = 19). The "basic" SI included a hearing and vision assessment and provision of glasses and/or hearing aids. A subsample received the "extended" SI with additional weekly visits from a sensory support therapist (SST). Exploratory analyses of dementia-related, health utility and resource utilisation outcomes were performed. RESULTS: Quality of life (QoL) and sensory functional ability improved. Change in QoL exceeded the threshold for a minimum clinically important difference. There was a modest improvement (in absolute terms) post intervention in behavioural disturbance, self-efficacy, and relationship satisfaction. Study partner time assisting instrumental activities of daily living (iADL) and supervision decreased by about 22 and 38 hours per month, respectively, although time for personal ADL support increased. Qualitative data supported effectiveness of the intervention: PwD were more socially engaged, less isolated, less dependent on study partners, and had improved functional ability and communication. CONCLUSIONS: These findings support the need for a definitive randomised controlled trial (RCT) to evaluate the effectiveness of the intervention.
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Disfunção Cognitiva/complicações , Demência/complicações , Transtornos da Audição/etiologia , Transtornos da Audição/terapia , Perda Auditiva/reabilitação , Perda Auditiva/terapia , Qualidade de Vida/psicologia , Transtornos da Visão/etiologia , Transtornos da Visão/terapia , Atividades Cotidianas , Idoso , Idoso de 80 Anos ou mais , Cuidadores/psicologia , Terapia Cognitivo-Comportamental , Demência/psicologia , Inglaterra , Feminino , França , Humanos , Masculino , Pessoa de Meia-IdadeRESUMO
BACKGROUND: Tools for app- and Web-based self-testing for identification of cognitive impairment are widely available but are of uncertain quality. OBJECTIVE: The objective of this study was to undertake a scoping review of app- and Web-based self-tests for cognitive impairment and determine the validity of these tests. METHODS: We conducted systematic searches in electronic databases, including Google search, Google Play Store, and iPhone Operating System App Store, using the search terms "Online OR Internet-based AND Memory OR Brain OR Dementia OR mild cognitive impairment OR MCI AND Test OR Screen OR Check." RESULTS: We identified 3057 tools, of which 25 were included in the review. Most tools meeting the inclusion criteria assessed multiple cognitive domains. The most frequently assessed domains were memory, attention, and executive function. We then conducted an electronic survey with the developers of the tools to identify data relating to development and validation of each tool. If no response to the survey was received, Google (to identify gray literature), Google Scholar, and Medical Literature Analysis and Retrieval System Online were searched using key terms "(name of developer, if available)" AND "(the name of the tool)" to identify any additional data. Only 7 tools had any information concerning psychometric quality, and only 1 tool reported data on performance norms, reliability, validity, sensitivity, and specificity for the detection of cognitive impairment. CONCLUSIONS: The number of cognitive self-assessment electronic health tools for cognitive impairment is increasing, but most are of uncertain quality. There is a need for well-validated tools and guidance for users concerning which tools provide reliable information about possible cognitive impairment that could warrant further investigation.
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Disfunção Cognitiva/diagnóstico , Adulto , Idoso , Idoso de 80 Anos ou mais , Humanos , Internet , Pessoa de Meia-Idade , Psicometria , Reprodutibilidade dos Testes , Autoavaliação (Psicologia) , TelemedicinaRESUMO
BACKGROUND: there is a significant gap in the understanding, assessment and management of people with dementia and concurrent hearing and vision impairments. OBJECTIVE: from the perspective of professionals in dementia, hearing and vision care, we aimed to: (1) explore the perceptions of gaps in assessment and service provision in ageing-related hearing, vision and cognitive impairment; (2) consider potential solutions regarding this overlap and (3) ascertain the attitudes, awareness and practice, with a view to implementing change. METHODS: our two-part investigation with hearing, vision, and dementia care professionals involved: (1) an in-depth, interdisciplinary, international Expert Reference Group (ERG; n = 17) and (2) a wide-scale knowledge, attitudes and practice survey (n = 653). The ERG involved consensus discussions around prototypic clinical vignettes drawn from a memory centre, an audiology clinic, and an optometry clinic, analysed using an applied content approach. RESULTS: the ERG revealed several gaps in assessment and service provision, including a lack of validated assessment tools for concurrent impairments, poor interdisciplinary communication and care pathways, and a lack of evidence-based interventions. Consensus centred on the need for flexible, individualised, patient-centred solutions, using an interdisciplinary approach. The survey data validated these findings, highlighting the need for clear guidelines for assessing and managing concurrent impairments. CONCLUSIONS: this is the first international study exploring professionals' views of the assessment and care of individuals with age-related hearing, vision and hearing impairment. The findings will inform the adaptation of assessments, the development of supportive interventions, and the new provision of services.
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Disfunção Cognitiva/diagnóstico , Disfunção Cognitiva/terapia , Perda Auditiva/diagnóstico , Perda Auditiva/terapia , Transtornos da Visão/diagnóstico , Transtornos da Visão/terapia , Idoso , Consenso , Demência/diagnóstico , Demência/terapia , Pesquisas sobre Atenção à Saúde , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Comunicação Interdisciplinar , Internacionalidade , Transtornos da Memória/diagnóstico , Transtornos da Memória/terapiaRESUMO
BACKGROUND: Hearing and vision (sensory) impairments are highly prevalent in people with dementia (PwD) and exacerbate the impact of living with dementia. Assessment of sensory or cognitive function may be difficult if people have concurrent dual or triple impairments. Most standard cognitive assessment tests are heavily dependent on having intact hearing and vision, and impairments in these domains may render the assessments unreliable or even invalid. Likewise, dementia may impede on the accurate reporting of symptoms that is required for most hearing and vision assessments. Thus, there is an urgent need for hearing, vision and cognitive assessment strategies to be adapted to ensure that appropriate management and support can be provided. OBJECTIVE: To explore the perspectives of PwD and the care partners regarding the need for accurate hearing, vision and cognitive assessments. METHODS: We conducted focus groups and semi-structured interviews regarding the clinical assessment for cognitive, hearing and visual impairment. Participants (n = 18) were older adults with mild to moderate dementia and a sensory impairment as well as their care partners (e.g. a family member) (n = 15) at three European sites. The qualitative material was analysed according to Mayring's summative content analysis approach. RESULTS: Participants reported that hearing, vision and cognitive assessments were not appropriate to the complex needs of PwD and sensory comorbidity and that challenges in communication with professionals and conveying unmet needs and concerns by PwD were common in all three types of clinical assessments. They felt that information about and guidance regarding support for the condition was not adequate in the assessments and that information sharing among the professionals regarding the concurrent problems was limited. Professionals were reported as being concerned only with problems related to their own discipline and had limited regard for problems in other domains which might impact on their own assessments. CONCLUSIONS: The optimal assessment and support for PwD with multiple impairments, more comprehensive, yet easy to understand, information regarding these linked to conditions and corrective device use is needed. Communication among health care professionals relevant to hearing, vision and cognition needs to be improved.
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Disfunção Cognitiva/epidemiologia , Demência/complicações , Perda Auditiva/epidemiologia , Transtornos da Visão/epidemiologia , Idoso , Idoso de 80 Anos ou mais , Cuidadores , Disfunção Cognitiva/psicologia , Comorbidade , Demência/psicologia , Feminino , Grupos Focais , Humanos , Masculino , Pessoa de Meia-Idade , Prevalência , Pesquisa Qualitativa , Transtornos da Visão/diagnósticoRESUMO
BACKGROUND: Identification of auditory processing disorders is achieved using questionnaires along with linguistic, non-linguistic, and auditory processing tests. Notably, the questionnaires "Children's Auditory Performance Scale" (CHAPS) and "Auditory Processing Domain Questionnaire" (APDQ) are widely recognized and used. The current study investigated the psychometric properties of the CHAPS and APDQ in Greek Cypriot children. METHODS: The CHAPS and APDQ questionnaires were completed by parents of 40 Greek Cypriot children, 16 typically developing (TD) children, and 24 children with a history of Speech Sound Disorders (SSDs). RESULTS: There were significant differences between the two groups on both questionnaires. Cronbach's alpha was calculated at α = 0.922 for the CHAPS total score and α = 0.926 for the APDQ total score. The Receiver Operating Curve (ROC) analysis provided a cut-off point equal to -0.30 (AUC 0.849, p < 0.001) for CHAPS and a cut-off point equal to 90.00 (AUC 0.820, p < 0.001) for APDQ. Significant positive Spearman ρ correlations were observed between the CHAPS and APDQ (ρ = 0.639, p = 0.001). CONCLUSIONS: The CHAPS and APDQ can identify distinct auditory processing characteristics between in children with SSDs and TD children.
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BACKGROUND: Speech-sound disorders (SSD) have been linked to auditory processing difficulties, and auditory processing disorders (APD) have been related to phonological awareness and literacy development. To this date, there has not been a systematic literature review investigating the results of psychophysiology and language assessments related to SSD and APD in children. METHODS: The literature search was conducted in PubMed, Medline EBSCO, and Scopus to identify studies with children diagnosed/suspected of having APDs and SSDs. The quality of methodology in the selected articles was evaluated with the Newcastle Ottawa Scale. RESULTS: Seven out of 378 relevant studies met the selection criteria. The findings were summarized for children with SSD and APD based on (a) metalinguistic and literacy skills, (b) cognitive abilities, and (c) temporal processing abilities. Three articles indicated that children with APD and SSD exhibit lower temporal task accuracy and reaction time. In two studies, children with SSD exhibited lower scores in discrimination, sequencing, and recall of brief stimuli in rapid succession. CONCLUSIONS: This review revealed associations between SSD severity and APD that may underline low performance in metalinguistic skills. Diagnostic assessments have been proposed based on the review to adequately identify children with SSD and APD and provide useful information for more suitable intervention.
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PURPOSE: Aging-related sensory impairments are among the most common and disabling comorbidities in people with dementia (PwD). This study explored the unmet support care needs (SCNs) from the perspectives of people with hearing and/or vision impairment in dementia (PwD), and their care partners in Europe. METHODS: This was a two-phase mixed methods study. We administered standardized questionnaires of SCNs and quality of life (QoL) to PwD with hearing and/or vision impairment (n = 97), and their care partners (n = 97) in the UK, France, and Cyprus. Next, a purposive sub-sample of 34 participants (PwD and care partners) participated as focus groups (FGs) or semi-structured interviews to explore their SCNs in depth. RESULTS: Over 94% of the participants reported unmet SCNs (median, 13 (range 5-23)). Nearly three-quarters reported SCNs in the moderate to high range, with the most prevalent unmet SCNs for PwD being in the psychological (>60%) and physical domains (>56%), followed by the need for health information (>46%). Emergent qualitative themes were: (1) the need for tailored support care interventions; (2) care burden, social isolation, and loneliness arising from the combined problems; (3) the need for adequate support from professionals from the different fields, including education around the use of sensory aids. Both study phases revealed that SCNs were highly individualized. CONCLUSIONS: This cross-national study revealed that PwD with sensory impairment and their care partners experience a wide range of unmet SCNs, the interactions between sensory impairments, SCNs and QoL are also complex. A tailored intervention could address these unmet SCNs, including additional support with sensory aids, psychological support, more information about concurrent impairments, and joined up health systems providing care.Implications for rehabilitationA majority of participants with combined age-related hearing, vision, and cognitive impairment had unmet SCNs.The needs of care partners including the risk of loneliness and social isolation, need to be considered.Individually tailored, specific interventions for hearing, vision, and cognitive impairment should incorporate physical and psychological support, as well as education.
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Disfunção Cognitiva , Demência , Demência/psicologia , Audição , Humanos , Qualidade de Vida/psicologia , Inquéritos e QuestionáriosRESUMO
OBJECTIVE: Adult hearing screening may be a solution to the under-diagnosis and under-treatment of hearing loss in adults. Limited use and satisfaction with hearing aids indicate that consideration of alternative interventions following hearing screening may be needed. The primary aim of this study is to provide an overview of all intervention types that have been offered to adult (≥ 18 years) screen-failures. DESIGN: Systematic literature review. Articles were identified through systematic searches in PubMed, EMBASE, Cinahl, the Cochrane Library, private libraries, and through reference checking. RESULTS: Of the initial 3027 papers obtained from the searches, a total of 37 were found to be eligible. The great majority of the screening programmes (i.e. 26) referred screen-failures to a hearing specialist without further rehabilitation being specified. Most of the others (i.e. seven) led to the provision of hearing aids. Four studies offered alternative interventions comprising communication programme elements (e.g. speechreading, hearing tactics) or advice on environmental aids. CONCLUSIONS: Interventions following hearing screening generally comprised referral to a hearing specialist or hearing aid rehabilitation. Some programmes offered alternative rehabilitation options. These may be valuable as an addition to or replacement of hearing aid rehabilitation. It is recommended that this be addressed in future research.
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Audiologia/estatística & dados numéricos , Perda Auditiva/diagnóstico , Perda Auditiva/reabilitação , Programas de Rastreamento/estatística & dados numéricos , Adulto , Auxiliares de Audição/estatística & dados numéricos , Testes Auditivos/métodos , Testes Auditivos/estatística & dados numéricos , Humanos , Programas de Rastreamento/métodosRESUMO
INTRODUCTION: The duration of the nuclei is a crucial factor for the shift of prelexical to mature speech, since control of duration is closely related with improved speech intelligibility. OBJECTIVES: This work records the suprasegmental feature of duration in infants with normal hearing (NH) compared to those with cochlear implants (CI) based on vocant productions (quasivowels and full vowels). MATERINALS AND METHODS: In this longitudinal study, 102 vocant productions were analyzed from cases of congenitally hearing-impaired infants (implantation ages 1:4 and 1:11 years; post-implant ages 0:6 months and 1:3 years) who were matched with three NH infants of similar hearing experience (ages 0:8-0:11 months). Current methodology analyzes vocants using a combination of acoustical and auditory analyses. Vegetative data or reflexive sounds were excluded. Participants had had unknown deafness etiology and no other disabilities. Duration was measured using wideband spectrographic analysis, from voice onset to the loss of audible signal and the decrease of higher formant's energy. RESULTS: The results showed that the mean vocant duration of young CI users was longer, compared to hearing matched peers during the first six months after cochlear implantation. CONCLUSIONS: This recorded weakness for CI users' speech production is a challenge for future work in speech processing strategies. This is the first study measuring production of vocants during the pre-linguistic stage in CI recipients.
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Implante Coclear , Implantes Cocleares , Surdez , Percepção da Fala , Acústica , Criança , Surdez/cirurgia , Humanos , Lactente , Recém-Nascido , Estudos Longitudinais , Inteligibilidade da Fala , Qualidade da VozRESUMO
BACKGROUND: Hearing and vision impairments are highly prevalent in people with dementia and may have a negative impact on quality of life and other dementia-related outcomes. Intervening to optimise sensory impairment and support sensory function may be a means of improving dementia-related outcomes. The SENSE-Cog trial will test whether a home-based multi-part sensory intervention is effective in improving quality of life and other key outcomes in people with dementia and hearing or vision problems (or both) and their companions. METHODS: This is an European, multi-centre, observer-blind, pragmatic, randomised controlled trial. Three hundred fifty four people with dementia and hearing or vision impairment (or both) and their companions will be randomly assigned to receive either "care as usual" or a multi-component sensory intervention including assessment and correction of hearing or vision impairments (or both), home-based (maximum 10 visits over 18 weeks), therapist-delivered sensory support (that is, adherence to devices; improving the sensory environment (that is, lighting), communication training, and sign-posting to other support agencies). Change from baseline to intervention end (18 weeks) and post-intervention (36 weeks) will be compared between the two arms in the following outcomes: quality of life (primary endpoint), sensory and cognitive functional ability, relationships, mental well-being, health resource utilisation and cost-effectiveness. DISCUSSION: This is one of two articles outlining the SENSE-Cog trial. Here, we describe the protocol for the effectiveness of the SENSE-Cog intervention. A parallel and complementary process evaluation will be described elsewhere. If the SENSE-Cog trial demonstrates that the sensory intervention improves outcomes in dementia, we will make a toolkit of training materials, resources and information available to health and social care providers to implement the intervention in routine practice. This will be a significant contribution to the therapeutic management of people with dementia and sensory impairment. TRIAL REGISTRATION: ISRCTN (Trial ID: ISRCTN17056211 ) on 19 February 2018.
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Demência/psicologia , Transtornos da Audição/terapia , Ensaios Clínicos Pragmáticos como Assunto , Qualidade de Vida , Transtornos da Visão/terapia , Idoso , Idoso de 80 Anos ou mais , Análise Custo-Benefício , Humanos , Consentimento Livre e Esclarecido , Estudos Multicêntricos como Assunto , Avaliação de Resultados em Cuidados de Saúde , Seleção de Pacientes , Tamanho da AmostraRESUMO
OBJECTIVES: People with dementia (PwD) frequently experience hearing and vision impairment that is underrecognized and undertreated, resulting in reduced quality of life. Managing these impairments may be an important strategy to improve outcomes in PwD. Our objective was to field-trial a multifaceted sensory intervention (SI) to enhance hearing and vision in PwD. DESIGN: An international single-arm open-label feasibility, acceptability, and tolerability study. SETTING: Home-based setting in the United Kingdom, France, and Cyprus. PARTICIPANTS: Adults aged 60 years and older with mild-to-moderate dementia and uncorrected or suboptimally corrected hearing and/or vision impairment, and their study partners (n = 19 dyads). INTERVENTION: A sensory intervention (SI), comprising assessment of hearing and vision, fitting of corrective devices (glasses, hearing aids), and home-based support from a sensory support therapist for device adherence and maintenance, communication training, referral to support services, environmental sensory modification, and optimization of social inclusion. MEASUREMENTS: Ratings of study procedure feasibility, and intervention acceptability/tolerability, ascertained through questionnaires, participant diaries, therapist logbooks, and semistructured interviews. RESULTS: We successfully delivered all intervention components, and these were received and enacted as intended in all those who completed the intervention. No serious adverse events were reported. Acceptability (ie, understanding, motivation, sense of achievement) and tolerability (ie, effort, fatigue) ratings of the intervention were within a priori target ranges. We met recruitment and retention (93.8%) targets in two of the three sites. Participants completed more than 95% of diary entries, representing minimal missing data. Delays in the logistics circuit for the assessment and delivery of hearing aids and glasses were identified, requiring modification. The need for minor modifications to some outcome measures and the inclusion criteria were identified. CONCLUSION: This is the first study combining home-based hearing and vision remediation in PwD. The positive feasibility, acceptability, and tolerability findings suggest that a full-scale efficacy trial, with certain modifications, is achievable.
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Demência/complicações , Transtornos da Audição/etiologia , Transtornos da Audição/terapia , Transtornos da Visão/etiologia , Transtornos da Visão/terapia , Idoso , Idoso de 80 Anos ou mais , Chipre , Óculos , Estudos de Viabilidade , Feminino , França , Auxiliares de Audição , Serviços de Assistência Domiciliar , Humanos , Masculino , Pessoa de Meia-Idade , Reino UnidoRESUMO
This study evaluated the effects of end stage chronic renal failure (CRF) on auditory function and changes in auditory function following a single session of hemodialysis. The experimental group included 31 patients with end-stage renal failure on chronic hemodialysis. The control group consisted of 31 healthy volunteers. The patients were examined prior to and following a session of hemodialysis. Measurements included pure tone audiometry, tympanometry and acoustic reflex measurements, auditory brainstem responses (ABR), and blood now chemistry parameters. Controls underwent the same test battery, with the exception of biochemical and hematological assessment. Prior to hemodialysis sessions, all ABR latencies except interpeak latency I-III were significantly prolonged in the experimental group. A comparison between controls and the experimental group following hemodialysis indicated that wave V absolute latency and interpeak latencies III-V and I-V were significantly prolonged in the slow repetition rate paradigm. In the fast repetition rate, absolute latencies of waves I and V and III-V interpeak latencies were prolonged in the experimental group. Comparison of ABR recordings prior to and following hemodialysis showed overall significant difference between the measures. Post hoc analysis showed a significant improvement in wave I and V latencies in the slow repetition rate and wave V latency in the fast repetition rate. This study showed that neural conduction along the auditory pathway is delayed in patients with end stage CRF as compared to healthy subjects. Dialysis sessions improve overall neural auditory function. However, patients with end stage CRF show delayed conduction even after a session of hemodialysis.
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Potenciais Evocados Auditivos do Tronco Encefálico/fisiologia , Perda Auditiva Condutiva/diagnóstico , Falência Renal Crônica/terapia , Diálise Renal/métodos , Adulto , Idoso , Análise de Variância , Audiometria de Tons Puros , Estudos de Casos e Controles , Potenciais Evocados Auditivos , Feminino , Seguimentos , Perda Auditiva Condutiva/epidemiologia , Humanos , Incidência , Falência Renal Crônica/complicações , Falência Renal Crônica/diagnóstico , Masculino , Pessoa de Meia-Idade , Condução Nervosa/fisiologia , Probabilidade , Valores de Referência , Diálise Renal/efeitos adversos , Medição de Risco , Índice de Gravidade de DoençaRESUMO
BACKGROUND: Hearing and vision impairments are among the most common and disabling comorbidities in people living with dementia. Intervening to improve sensory function could be a means by which the lives of people living with dementia may be improved. However, very few studies have tried to ameliorate outcomes in dementia by improving sensory function. This paper describes the multi-step development of a new intervention designed to support hearing and vision function in people living with dementia in their own homes. At the end of the development programme, it is anticipated that a 'sensory support' package will be ready for testing in a full scale randomised controlled trial. METHODS: This programme is based on the process of 'intervention mapping' and comprises four integrated steps, designed to address the following: (1) scoping the gaps in understanding, awareness and service provision for the hearing and/or vision impairment care needs of people with dementia using a systematic literature review and Expert Reference Group; (2) investigating the support care needs through a literature search, stakeholder surveys, focus groups, semi-structured interviews and an Expert Reference Group, leading to a prototype sensory support package; (3) refining the prototype by additional input from stakeholders using focus groups and semi-structured interviews; and (4) field testing the draft intervention using an open-labelled, non-randomised feasibility study, integrating feedback from people with dementia and their significant others to develop the final intervention ready for full scale definitive trialling. Input from the 'patient and public voice' is a cornerstone of the work and will interlink with each step of the development process. The programme will take place in study centres in Manchester, Nicosia and Bordeaux. DISCUSSION: Quantitative and qualitative data analyses will be employed, dependent upon the sub-studies in question. Data from the steps will be integrated with consideration given to weighting of evidence for each step of the programme. This programme represents the logical development of a complex intervention to fulfil an unmet need. It is based on a theoretical framework and will lead to a subsequent full scale efficacy trial. The challenges in integrating the data and addressing the contextual issues across study sites will be scrutinised.