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Can psychotic symptom identification help to improve young-onset dementia care?

Commentary on “A thematic analysis of psychotic symptoms in young-onset dementia” by Borelli-Millot et al.

Published online by Cambridge University Press:  08 February 2024

Clarissa Giebel*
Affiliation:
Department of Primary Care & Mental Health, University of Liverpool, Liverpool, UK NIHR Applied Research Collaboration North West Coast, Liverpool, UK

Abstract

Type
Commentary
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of International Psychogeriatric Association

Young-onset dementia (YOD) can affect approximately 5–10 percent of all people with dementia (55 million people worldwide) (WHO, 2023) and can be more difficult to diagnose. It brings with it a set of often different challenges than late-onset dementia (LOD), which is diagnosed from the age of 65 onwards. People with YOD, and their families, can face additional challenges due to their age, including employment and potential double caring duties (including for children and parents) (Greenwood & Smith, Reference Greenwood and Smith2016). This is in addition to the various levels of cognitive, motor, neuropsychiatric, and everyday functioning changes experienced in different subtypes of dementia at large, and YOD (Geraudine et al., Reference Geraudine, Battista and Garcia2021; Giebel et al., Reference Giebel, Sutcliffe, Stolt, Karlsson, Renom-Guiteras, Soto, Verbeek, Zabalegui and Challis2014; Matar et al., Reference Matar, Ehgoetz Martens, Halliday and Lewis2020). In general, living with YOD brings additional barriers to living well with the diagnosis, receiving adequate care and receiving a diagnosis in the first place (Giebel et al., Reference Giebel, Cations, Draper and Komuravelli2023; Perry et al., Reference Perry, Michgelsen, Timmers, Peetoom, Koopmans and Bakker2024). Thus, people with YOD require special attention to overcome these age-related inequalities.

With cognitive deteriorations in dementia influencing many aspects of the person’s and their carer’s lives, non-cognitive concerns in dementia research primarily focus on adequate care and how people with dementia’s needs are met, the importance of social connectivity, and general physical health, including frailty (i.e. Joranson et al., Reference Jøranson, Olsen, Calogiuri, Ihlebæk and Pedersen2021; Wallace et al., Reference Wallace, Hunter, Theou, Fleming, Rockwood and Brayne2021). Neuropsychiatric symptoms receive particular attention in care home residents with dementia, with research focusing often on an inclusive and broad approach of various neuropsychiatric symptoms (such as agitation, hallucinations, sleep, irritability, disinhibition, and changes in appetite) (Appelhof et al., Reference Appelhof, Bakker, Van Duinen-van Den IJssel, Zwijsen, Smalbrugge, Verhey, de Vugt, Zuidema and Koopmans2019; Bauhuis et al., Reference Bauhuis, Mulders and Koopmans2020). By comparing care home residents with YOD and LOD, Appelhof et al. (Reference Appelhof, Bakker, Van Duinen-van Den IJssel, Zwijsen, Smalbrugge, Verhey, de Vugt, Zuidema and Koopmans2019) showed for example that people with YOD experienced higher levels of apathy and lower levels of verbally agitated behaviors than people with LOD. With research on neuropsychiatric symptoms in dementia primarily relying on quantitative data and frequencies and levels of symptoms (i.e. Vik-Mo et al., Reference Vik-Mo, Giil, Borda, Ballard and Aarsland2020), providing a qualitative insight into a specific form of symptom can shed interesting light into the evidence base.

To understand particular experiences of psychotic symptoms in people with YOD, Borelli-Millott et al. (Reference Borelli-Millott, Loi, Velakoulis and Goh2024) went through discharge summaries from the Royal Melbourne Hospital in Australia and looked for qualitative descriptions of psychotic symptoms. Using thematic analysis, the authors coded and grouped these experiences broadly into delusions and auditory/visual hallucinations for 23 patients with YOD. Delusions were sub-categorized into paranoid/suspicious, harm/abuse, loss, romantic/sexual, grandiose, and somatic. Hallucinations were themed into danger, paranoid/suspicious, non-specific/unintelligible, harm/abuse, and religious/mystical for auditory, and people/faces and objects/shapes for visual. While the authors explored diagnostic subtype of YOD and time from diagnosis, there was no apparent link or cluster of psychotic symptom themes with either subtype or time from diagnosis. This suggests that themes may relate to other factors, with other underpinning reasons of experiences of for example grandiose or romantic delusions, or religious or paranoid hallucinations. However, a larger sample of people with YOD is required to establish relationships between these factors.

Overall, it is interesting to see the variation of psychotic symptoms in some people with YOD, especially the qualitative richness of the quotes which paint a clearer picture of the types of symptoms. The patients seen were assessed in a neuropsychiatry unit, and not in a generic memory clinic for dementia. Thus, all included participants were selected from a database of patients who were seen by neuropsychiatry. It would thus be of value to assess in future database research the frequency of psychotic symptoms in all people with YOD, and how certain subtypes of dementia, such as Lewy Body, may and are more likely to be prone to specific themes of delusions and hallucinations. While Borelli-Millott et al. (Reference Borelli-Millott, Loi, Velakoulis and Goh2024) evidence no apparent linkage between subtypes and psychotic symptom themes, a greater focus on those subtypes who experience hallucinations and delusions may be a suitable next research avenue. In addition, this study provides knowledge that can be important for unpaid carers of people with YOD, to understand that psychotic symptoms, and which, may be affecting their relative with the dementia. Further research is required, which has clear applications for the lives of people living with dementia and their carers.

Conflicts of interest

None.

Funding statement

CG is funded by the National Institute for Health and Care Research Applied Research Collaboration North West Coast (ARC NWC). The views expressed in this publication are those of the author(s) and not necessarily those of the National Institute for Health and Care Research or the Department of Health and Social Care.

Acknowledgements

None.

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