Diagnosis of dementia in Australia: a narrative review of services and models of care
Natalie Su Quin Ng A D and Stephanie Alison Ward B C
+ Author Affiliations
- Author Affiliations
A Department of Rehabilitation and Aged Care Services, The Kingston Centre, Monash Health, 400 Warrigal Road, Cheltenham, Vic. 3192, Australia.
B Monash Ageing Research Centre (MONARC), Department of Epidemiology and Preventive Medicine, Monash University, The Kingston Centre, 400 Warrigal Rd, Cheltenham, Vic. 3192, Australia.
C Department of Epidemiology and Preventive Medicine, Monash University, Level 5, The Alfred Centre, 99 Commercial Rd, Melbourne, Vic. 3004, Australia. Email: stephanie.ward@monash.edu
D Corresponding author. Email: quinatlie@hotmail.com
Australian Health Review 43(4) 415-424 https://doi.org/10.1071/AH17167
Submitted: 19 July 2017 Accepted: 23 March 2018 Published: 27 July 2018
Abstract
Objective There is an impetus for the timely diagnosis of dementia to enable optimal management of patients, carers and government resources. This is of growing importance in the setting of a rising prevalence of dementia in an aging population. The Australian Clinical Practice Guidelines and Principles of Care for People with Dementia advocate referral to comprehensive memory services for dementia diagnosis, but in practice many patients may be diagnosed in other settings. The aim of the present study was to obtain evidence of the roles, effectiveness, limitations and accessibility of current settings and services available for dementia diagnosis in Australia.
Methods A literature review was performed by searching Ovid MEDLINE using the terms ‘dementia’ AND ‘diagnosis OR detection’. In addition, articles from pertinent sources, such as Australian government reports and relevant websites (e.g. Dementia Australia) were included in the review.
Results Literature was found for dementia diagnosis across general practice, hospitals, memory clinics, specialists, community, care institutions and new models. General practitioners are patients’ preferred health professionals when dealing with dementia, but gaps in symptom recognition and initiation of cognitive testing lead to underdiagnosis. Hospitals are opportunistic places for dementia screening, but time constraints and acute medical issues hinder efficient dementia diagnosis. Memory clinics offer access to multidisciplinary skills, demonstrate earlier dementia diagnosis and potential cost-effectiveness, but are disadvantaged by organisational complexities. Specialists have increased confidence in diagnosing dementia than generalists, but drawbacks include long wait lists. Aged care assessment teams (ACAT) are a potential service for dementia diagnosis in the community. A multidisciplinary model for dementia diagnosis in care institutions is potentially beneficial, but is time and cost intensive. New models with technology allow dementia diagnosis in rural regions.
Conclusion Memory clinics are most effective for formal dementia diagnosis, but healthcare professionals in other settings play vital roles in recognising patients with dementia and initiating investigations and referrals to appropriate services.
What is known about this topic? Delays in dementia diagnosis are common, and it is unclear where majority of patients receive a diagnosis of dementia in Australia. While the Australian Clinical Practice Guidelines and Principles of Care for People with Dementia advocate referrals to services such as memory clinics for comprehensive assessment and diagnosis of dementia, such services may have limited capacity and may not be readily accessible to all.
What does this paper add? This paper presents an overview of the various settings and services available for dementia diagnosis in Australia including evidence of the roles, accessibility, effectiveness and limitations of each setting.
What are the implications for practitioners? This concerns a disease that is highly prevalent and escalating, and highlights the roles for practitioners in various settings including general practices, acute hospitals, specialist clinics, community and nursing homes. In particular, it discusses the potential roles, advantages and challenges of dementia diagnosis in each setting.
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