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- Title
The collective burden of childhood dementia: a scoping review.
- Authors
Elvidge, Kristina L; Christodoulou, John; Farrar, Michelle A; Tilden, Dominic; Maack, Megan; Valeri, Madeline; Ellis, Magda; Smith, Nicholas J C; Group, the Childhood Dementia Working
- Abstract
Childhood dementia is a devastating and under-recognized group of disorders with a high level of unmet need. Typically monogenic in origin, this collective of individual neurodegenerative conditions are defined by a progressive impairment of neurocognitive function, presenting in childhood and adolescence. This scoping review aims to clarify definitions and conceptual boundaries of childhood dementia and quantify the collective disease burden. A literature review identified conditions that met the case definition. An expert clinical working group reviewed and ratified inclusion. Epidemiological data were extracted from published literature and collective burden modelled. One hundred and seventy genetic childhood dementia disorders were identified. Of these, 25 were analysed separately as treatable conditions. Collectively, currently untreatable childhood dementia was estimated to have an incidence of 34.5 per 100 000 (1 in 2900 births), median life expectancy of 9 years and prevalence of 5.3 per 100 000 persons. The estimated number of premature deaths per year is similar to childhood cancer (0–14 years) and approximately 70% of those deaths will be prior to adulthood. An additional 49.8 per 100 000 births are attributable to treatable conditions that would cause childhood dementia if not diagnosed early and stringently treated. A relational database of the childhood dementia disorders has been created and will be continually updated as new disorders are identified (https://knowledgebase.childhooddementia.org/). We present the first comprehensive overview of monogenic childhood dementia conditions and their collective epidemiology. Unifying these conditions, with consistent language and definitions, reinforces motivation to advance therapeutic development and health service supports for this significantly disadvantaged group of children and their families.
- Subjects
DEMENTIA; LITERATURE reviews; POOR children; RELATIONAL databases; EARLY death; VASCULAR dementia
- Publication
Brain: A Journal of Neurology, 2023, Vol 146, Issue 11, p4446
- ISSN
0006-8950
- Publication type
Article
- DOI
10.1093/brain/awad242