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The Australian Childhood Dementia Study.

K Nunn1, K Williams, R Ouvrier

  • 1Department of Psychological Medicine, The Children's Hospital, Westmead, Parramatta NSW, Australia. Kennethn@nch.edu.au

European Child & Adolescent Psychiatry
|May 30, 2002
PubMed
Summary

Childhood dementia affects 5.6 in 100,000 Australian children, often presenting before age two. Families face significant challenges, with inadequate services impacting daily life.

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Area of Science:

  • Pediatric Neurology
  • Neurodevelopmental Disorders
  • Public Health

Background:

  • Childhood dementia is a rare but devastating condition.
  • Understanding its prevalence and impact is crucial for service provision.
  • Existing diagnostic concepts like childhood disintegrative disorder face criticism.

Purpose of the Study:

  • To estimate the prevalence of childhood dementia in Australia.
  • To identify potential etiological factors contributing to the condition.
  • To survey the psychosocial impact on affected families.

Main Methods:

  • Utilized the Australian Paediatric Surveillance Unit (APSU) for case identification.
  • Collected data through questionnaires from clinicians managing childhood dementia cases.
  • Focused ascertainment on progressive neurocognitive decline to mitigate reporting bias.

Main Results:

  • Identified 80 children with dementia, estimating a prevalence of 5.6 per 100,000.
  • 16% of cases were diagnosed before age two; 21% had uncertain etiology.
  • Clinicians reported 'marked' or 'extreme' impact on family functioning in 63% of cases, with significant service inadequacy.

Conclusions:

  • Childhood dementia presents a substantial burden on families, highlighting service gaps.
  • The diagnostic concept of dementia offers potential for integrated research and management.
  • Further research into etiology and improved support services are urgently needed.

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