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Prevalence of frontotemporal dementia in community-based studies in Latin America: A systematic review

Prevalência de demência frontotemporal em estudos de base comunitária na America Latina: uma revisão sistemática

ABSTRACT

Latin America (LA) is experiencing a rise in the elderly population and a consequent increase in geriatric problems such as dementia. There are few epidemiological studies assessing the magnitude of dementia and dementia subtypes in LA.

Objective:

To identify published community-based studies on the prevalence of FTD in LA countries.

Methods:

A database search for door-to-door studies on FTD prevalence in LA was performed. The search was carried out on Medline, Embase, and LILACS databases for research conducted between 1994 and 2012. The main inclusion criteria were: use of any internationally accepted diagnostic criteria and investigation of community samples.

Results:

Four hundred and ninety two articles were found, of which 26 were initially pre-selected by title or abstract review. Five studies from 3 different countries were included. The FTD prevalence rates in community-dwelling elderly were 1.2 (Venezuela), 1.3 (Peru) and 1.7-1.8 (Brazil) per thousand persons, depending on age group.

Conclusion:

The FTD prevalence in LA studies showed values mid-way between those observed in western and in oriental populations. Despite the magnitude of this problem, epidemiological information on FTD remains scarce in LA.

Key words:
prevalence; frontotemporal lobar degeneration; frontotemporal dementia; primary progressive nonfluent aphasia

RESUMO

A América Latina (AL) está experimentando um aumento na população de idosos e um consequente aumento nos problemas geriátricos, como demência. Existem poucos estudos epidemiológicos avaliando a magnitude de demência e demência subtipos na AL

Objetivo:

Identificar publicações baseadas em estudos sobre a prevalência da FTD em países da AL.

Métodos:

A pesquisa realizada foi por estudos de prevalência de FTD em comunidade na AL. A pesquisa foi realizada em Med-line, Embase, e LILACS no período entre 1994 e 2012. Os principais critérios de inclusão foram: utilização de quaisquer critérios internacionalmente aceitos de diagnóstico e investigação de amostras em comunidade.

Resultados:

Quatrocentos e noventa e dois artigos foram encontrados, dos quais 26 foram inicialmente pré-selecionados pelo título ou fiscalização do abstract . Cinco estudos de 3 países diferentes foram incluídos. As taxas de prevalência na comunidade em idosos com FTD eram 1,2 (Venezuela), 1,3 (Peru) e 1,7-1,8 (Brasil) por mil pessoas, dependendo da faixa etária.

Conclusão:

A prevalência FTD em estudos da AL, apresentaram valores intermediários entre os observados em populações ocidentais e orientais. Apesar da magnitude do problema, informações epidemiológicas sobre FTD permanecem escassas em AL.

Palavras-chave:
prevalência; degeneração lobar frontotemporal; demência frontotemporal; afasia progressiva primária não fluente

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Publication Dates

  • Publication in this collection
    Jan-Mar 2013

History

  • Received
    10 Dec 2012
  • Accepted
    13 Feb 2013
Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento R. Vergueiro, 1353 sl.1404 - Ed. Top Towers Offices, Torre Norte, São Paulo, SP, Brazil, CEP 04101-000, Tel.: +55 11 5084-9463 | +55 11 5083-3876 - São Paulo - SP - Brazil
E-mail: revistadementia@abneuro.org.br | demneuropsy@uol.com.br