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The association between systemic lupus erythematosus and dementia: a meta-analysis / Associação entre lúpus eritematoso sistêmico e demência: um metanálise
Zhao, Zhuoxian; Rocha, Natalia P; Salem, Haitham; Diniz, Breno S; Teixeira, Antonio L.
  • Zhao, Zhuoxian; The University of Texas Health Science Center at Houston. McGovern Medical School. Department of Psychiatry and Behavioral Sciences. Houston. US
  • Rocha, Natalia P; The University of Texas Health Science Center at Houston. McGovern Medical School. Department of Psychiatry and Behavioral Sciences. Houston. US
  • Salem, Haitham; The University of Texas Health Science Center at Houston. McGovern Medical School. Department of Psychiatry and Behavioral Sciences. Houston. US
  • Diniz, Breno S; The University of Texas Health Science Center at Houston. McGovern Medical School. Harris County Psychiatric Center. Houston. US
  • Teixeira, Antonio L; The University of Texas Health Science Center at Houston. McGovern Medical School. Department of Psychiatry and Behavioral Sciences. Houston. US
Dement. neuropsychol ; 12(2): 143-151, Apr.-June 2018. tab, graf
Article in English | LILACS | ID: biblio-952957
ABSTRACT
Abstract A growing body of evidence indicates that systemic lupus erythematosus (SLE) is associated with increased risk of cognitive impairment and dementia. However, to date, no studies have been conducted to quantitatively summarize and evaluate the consistency of data.

Objective:

To quantitatively evaluate the relationship of SLE and antiphospholipid antibodies (aPL) with cognitive dysfunction and dementia.

Methods:

All relevant literature was retrieved from Pubmed, Scopus, and PsycINFO databases. The meta-analysis was performed using effect estimates and 95% confidence intervals (CIs) to calculate pooled risk estimates. The heterogeneity among studies was also examined.

Results:

The meta-analysis included 11 original studies involving a total of 81,668 patients with dementia and 407 patients with cognitive dysfunction. There were significant associations on fixed-effect models between SLE and dementia (3 studies; RR=1.50; 95% CI=1.37-1.64), SLE and cognitive dysfunction (4 studies; OR=2.97; 95% CI=1.72-5.15), and aPL and cognitive dysfunction (5 studies, OR=1.97; 95% CI=1.55-2.52). We also combined cognitive dysfunction and dementia outcomes as they both represented cognitive impairment. There were significant associations between aPL and cognitive impairment (6 studies; OR=2.03; 95% CI=1.62-2.55), and SLE and cognitive impairment (7 studies; OR=1.83; 95% CI=1.42-2.35). Moderate heterogeneity (I2=45.7%) was found in the association between SLE and cognitive impairment, low heterogeneity (I2=21.8%) in the association between SLE and dementia, and near zero heterogeneity for the other three main analyses.

Conclusion:

Both SLE and aPL are associated with cognitive impairment.
RESUMO
Resumo Um volume crescente de evidências indica que o lúpus eritematoso sistêmico (LES) está associado ao aumento do risco de comprometimento cognitivo e demência. No entanto, até o presente momento nenhum estudo foi conduzido a fim de resumir e avaliar quantitativamente a consistência dos dados.

Objetivo:

Avaliar quantitativamente a relação entre o LES e anticorpos anticorpos antifosfolípides (aPL) com disfunção cognitiva e demência.

Métodos:

Toda literatura relevante foi recuperada das bases de dados Pubmed, Scopus e PsycINFO. A meta-análise foi realizada utilizando as estimativas de efeito e os intervalos de confiança de 95% (ICs) para calcular as estimativas de risco combinadas. A heterogeneidade entre os estudos também foi examinada.

Resultados:

A meta-análise incluiu 11 estudos originais com um total de 81.668 pacientes com demência e 407 pacientes com disfunção cognitiva. Houve associações significativas (modelos de efeitos fixos) entre LES e demência (3 estudos, RR=1,50; IC 95%=1,37-1,64), LES e disfunção cognitiva (4 estudos; OR=2,97; IC 95%=1,72-5,15), e aPL e disfunção cognitiva (5 estudos, OR=1,97; IC 95%=1,55-2,52). Além disso, combinamos os resultados da disfunção cognitiva e demência, uma vez que ambos representaram déficit cognitivo. Houve associações significativas entre aPL e comprometimento cognitivo (6 estudos, OR=2,03, IC 95%=1,62-2,55), e LES e comprometimento cognitivo (7 estudos, OR=1,83; IC 95%=1,42-2,35). Uma heterogeneidade moderada (I2=45,7%) foi encontrada na associação entre LES e comprometimento cognitivo, heterogeneidade baixa (I2=21,8%) na associação entre LES e demência e heterogeneidade quase zero para as outras três principais análises.

Conclusão:

Tanto o LES como aPL estão associados a déficit cognitivo.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Lupus Erythematosus, Systemic Type of study: Etiology study / Prognostic study / Risk factors / Systematic reviews Limits: Humans Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2018 Type: Article Affiliation country: United States Institution/Affiliation country: The University of Texas Health Science Center at Houston/US

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Full text: Available Index: LILACS (Americas) Main subject: Lupus Erythematosus, Systemic Type of study: Etiology study / Prognostic study / Risk factors / Systematic reviews Limits: Humans Language: English Journal: Dement. neuropsychol Journal subject: NEUROCIENCIAS / Neurology / Psychology / Psychiatry Year: 2018 Type: Article Affiliation country: United States Institution/Affiliation country: The University of Texas Health Science Center at Houston/US