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Dementia in older adults with intellectual disabilities: epidemiology, presentation and diagnosis
- Authors:
- STRYDOM Andre, et al
- Journal article citation:
- Journal of Policy and Practice in Intellectual Disabilities, 7(2), June 2010, pp.96-110.
- Publisher:
- Wiley
The authors conducted a literature review on the epidemiology, presentation and diagnosis of dementia in older adults with intellectual or learning disabilities (ID) and specific genetic syndromes, such as Downs syndrome (DS) using Medline, EMBASE and PsycINFO for original papers in English, German or Dutch, between 1997 and 2008. Articles from the United Kingdom, Canada, Australia, United States, Netherlands, Ireland; Japan, South Africa, Scandinavia and Italy had varied methodologies and differences in diagnoses resulting in a wide range of prevalence rates of dementia. Rates of dementia in those with ID, not because of DS, were comparable or higher than those in the general population. The onset of Alzheimers disease in DS appears earlier and the prevalence increases from less than 10% in the 40’s, to more than 30% in the 50’s with varying prevalence reported in those over 60 years. Incidence rates increased with age. Presentation differs in the ID population compared with the general population, with those with DS presenting with behavioural changes believed to be due to frontal lobe deficits. Few studies of dementia in other genetic syndromes such as Rett syndrome, an autistic spectrum disorder, and Sanfilippo syndrome were located in the literature, but these are discussed and tabulated along with others found.
Dementia in older adults with intellectual disabilities: a report on the state of science on dementia in older adults with intellectual disabilities by the IASSID Special Interest Research Group on Ageing and Intellectual Disabilities
- Authors:
- STRYDOM Andre, et al
- Publisher:
- International Association for the Scientific Study of Intellectual Disabilities
- Publication year:
- 2009
- Pagination:
- 49p., bibliog.
- Place of publication:
- Canterbury
This systematic review summarises current knowledge on dementia in older people with learning disabilities. The review included papers published from 1997 to 2008. Findings are discussed in the areas of: epidemiology; presentation and symptoms; screening, assessment and diagnosis; non-pharmacological and pharmacological interventions and issues for carers.