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Prevalence of Capgras syndrome in Alzheimer's patients: A systematic review and meta-analysis / Prevalência da síndrome de capgras em pacientes com doença de alzheimer: uma revisão sistemática e metanálise
Pereira, Gabriela Caparica Muniz; Oliveira, Gustavo Carvalho de.
  • Pereira, Gabriela Caparica Muniz; Centro Universitário de Brasília. BR
  • Oliveira, Gustavo Carvalho de; Centro Universitário de Brasília. BR
Dement. neuropsychol ; 13(4): 463-468, Oct.-Dec. 2019. tab, graf
Article in English | LILACS | ID: biblio-1056003
ABSTRACT
ABSTRACT The association between Capgras syndrome and Alzheimer's disease has been reported in several studies, but its prevalence varies considerably in the literature, making it difficult to measure and manage this condition.

Objective:

This study aims to estimate the prevalence of Capgras syndrome in patients with Alzheimer's disease through a systematic review, and to review etiological and pathophysiological aspects related to the syndrome.

Methods:

A systematic review was conducted using the Medline, ISI, Cochrane, Scielo, Lilacs, and Embase databases. Two independent researchers carried out study selection, data extraction, and qualitative analysis by strictly following the same methodology. Disagreements were resolved by consensus. The meta-analysis was performed using the random effect model.

Results:

40 studies were identified, 8 of which were included in the present review. Overall, a total of 1,977 patients with Alzheimer's disease were analyzed, and the prevalence of Capgras syndrome in this group was 6% (CI 95% I² 54% 4.0-8.0).

Conclusion:

The study found a significant prevalence of Capgras syndrome in patients with Alzheimer's disease. These findings point to the need for more studies on the topic to improve the management of these patients.
RESUMO
RESUMO A associação da síndrome de Capgras com a doença de Alzheimer é relatada em diversos estudos, porém a sua prevalência varia consideravelmente entre bibliografias, dificultando a real mensuração e manejo desta patologia.

Objetivo:

O objetivo deste estudo foi estimar, através de uma revisão sistemática, a prevalência da síndrome de Capgras em pacientes com a doença de Alzheimer, bem como revisar os aspectos etiológicos e fisiopatológicos relacionados à síndrome.

Métodos:

Uma revisão sistemática foi realizada utilizando-se as seguintes bases de dados Medline, ISI, Cochrane, Scielo, Lilacs e Embase. A seleção dos estudos, extração de dados e análise qualitativa foi feita por dois pesquisadores de forma independente e seguindo rigorosamente a mesma metodologia, sendo as discordâncias resolvidas por consenso. A metanálise foi calculada utilizando-se modelo de efeito randômico.

Resultados:

Foram recuperados 40 estudos, dos quais 8 foram incluídos na presente revisão. Considerando todos os estudos incluídos, 1977 pacientes com doença de Alzheimer foram analisados, sendo encontrada a prevalência da síndrome de Capgras dentre esses pacientes de 6% (IC 95% I² 54% 4,0-8,0).

Conclusão:

A presente revisão encontrou uma prevalência significativa da síndrome de Capgras nos pacientes com doença de Alzheimer. Tal achado implica na necessidade de mais estudos visando melhorar o manejo desses pacientes.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Capgras Syndrome / Meta-Analysis / Delirium / Dementia / Alzheimer Disease Type of study: Controlled clinical trial / Prevalence study / Prognostic study / Qualitative research / Risk factors / Screening study / Systematic reviews Limits: Humans Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro Universitário de Brasília/BR

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Full text: Available Index: LILACS (Americas) Main subject: Capgras Syndrome / Meta-Analysis / Delirium / Dementia / Alzheimer Disease Type of study: Controlled clinical trial / Prevalence study / Prognostic study / Qualitative research / Risk factors / Screening study / Systematic reviews Limits: Humans Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2019 Type: Article Affiliation country: Brazil Institution/Affiliation country: Centro Universitário de Brasília/BR