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The pros and cons of early diagnosis of dementia

Alessandro Ferrari Jacinto, Ricardo Nitrini, Sonia Maria Dozzi Brucki, Claudia Sellitto Porto, Fabio Gazelato de Mello Franco and Vanessa de Albuquerque Citero
British Journal of General Practice 2013; 63 (614): 463. DOI: https://doi.org/10.3399/bjgp13X671551
Alessandro Ferrari Jacinto
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Ricardo Nitrini
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Sonia Maria Dozzi Brucki
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Claudia Sellitto Porto
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Fabio Gazelato de Mello Franco
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Vanessa de Albuquerque Citero
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We read the paper ‘The pros and cons of early diagnosis of dementia’ published by Fox et al1 with great interest, which raised the question of how Brazilian doctors’ knowledge on the detection of cognitive impairment in older people could be improved. Such papers can help us discuss the paths we should take regarding early detection of dementia. Questions concerning the ‘pros and cons’ in an aged, developed nation with a model healthcare system as the UK may serve to help a relatively young nation like Brazil, whose health system is still ‘under construction’, to make better decisions in the future. The Brazilian population has aged rapidly in the last three decades (from 43 years in 1950 to 74 in 2011) due to improvements in health care coupled with a lower fertility rate.2 Since 1988, all Brazilian citizens have had the right to free health care under the ‘Unified Health System’ (UHS)2 whose core function, at least in theory, is the provision of primary care. UHS health practitioners play a major role in dementia issues since 75% of our population receive health care exclusively from the UHS.

Previous studies have shown Brazil’s dementia prevalence to be similar to rates observed worldwide.3,4 A focus of interest for researchers has been to verify whether UHS GPs have detected cognitive impairment in their caseload of older patients during routine check-ups. We conducted a study5,6 in which a geriatrician randomly screened 248 older people from the primary care sector. Cases suspected of cognitive impairment underwent a complete assessment (neuropsychological, blood exams, and CT). After expert consensus, the 43 patients found to have either mild cognitive impairment or dementia had their medical records checked with a striking finding: only 16% of these 43 patients’ GP medical records registered a cognitive complaint or specific diagnosis.

To ascertain whether GPs in the UHS had good knowledge on dementia issues, another study was conducted involving the application of a ‘knowledge quiz’ to a convenience sample of 24 GPs. This unpublished data collected from this preliminary study using the Turner et al7 questionnaire revealed that the GPs held only 50% of the basic knowledge required for early detection of dementia (mean score 7.08±2.10, range 0–14). Thus training the GPs to deal with dementia appears to be the way forward in enhancing care for the older population in Brazil.

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REFERENCES

  1. 1.↵
    1. Fox C,
    2. Lafortune L,
    3. Boustani M,
    4. Brayne C
    (2013) The pros and cons of early diagnosis of dementia. Br J Gen Pract 63(612):510–512.
    OpenUrl
  2. 2.↵
    1. Brasilia: Unified Health System
    Primary care units, http://www.brasil.gov.br/sobre/health/service/primary-care-units (accessed 5 Aug 2013).
  3. 3.↵
    1. Herrera E,
    2. Caramelli P,
    3. Silveira ASB,
    4. Nitrini R
    (2002) Epidemiologic Survey of dementia in a community-dwelling Brazilian population. Alzheimer Dis Assoc Disord 16(2):103–108.
    OpenUrlCrossRefPubMed
  4. 4.↵
    1. Nitrini R,
    2. Mathias SC,
    3. Caramelli P,
    4. et al.
    (1995) Evaluation of 100 patients with dementia in São Paulo, Brazil: correlation with socioeconomic status and education. Alzheimer Dis Assoc Disord 9(3):146–151.
    OpenUrlPubMed
  5. 5.↵
    1. Jacinto AF,
    2. Brucki SMD,
    3. Porto CS,
    4. et al.
    (2011) Detection of cognitive impairment in the elderly by general internists in Brazil. Clinics 66(8):1379–1384.
    OpenUrlCrossRefPubMed
  6. 6.↵
    1. Jacinto AF,
    2. Brucki SMD,
    3. Pereira AS,
    4. et al.
    (2012) Screening of cognitive impairment by general internists using two simple tests. Neuropsychologia 6:42.
    OpenUrl
  7. 7.↵
    1. Turner S,
    2. Iliffe S,
    3. Downs M,
    4. et al.
    (2004) General practitioners’ knowledge, confidence and attitudes in the diagnosis and management of dementia. Age Ageing 33(5):461–467.
    OpenUrlCrossRefPubMed
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British Journal of General Practice: 63 (614)
British Journal of General Practice
Vol. 63, Issue 614
September 2013
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The pros and cons of early diagnosis of dementia
Alessandro Ferrari Jacinto, Ricardo Nitrini, Sonia Maria Dozzi Brucki, Claudia Sellitto Porto, Fabio Gazelato de Mello Franco, Vanessa de Albuquerque Citero
British Journal of General Practice 2013; 63 (614): 463. DOI: 10.3399/bjgp13X671551

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The pros and cons of early diagnosis of dementia
Alessandro Ferrari Jacinto, Ricardo Nitrini, Sonia Maria Dozzi Brucki, Claudia Sellitto Porto, Fabio Gazelato de Mello Franco, Vanessa de Albuquerque Citero
British Journal of General Practice 2013; 63 (614): 463. DOI: 10.3399/bjgp13X671551
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