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Polymorphisms and avascular necrosis in patients with sickle cell disease - A systematic review / Polimorfismos e necrose avascular em pacientes com doença falciforme - Uma revisão sistemática
Leandro, Márcio Passos; Almeida, Natália Damasceno; Hocevar, Lara Santana; Sá, Cloud Kennedy Couto de; Souza, Amâncio José de; Matos, Marcos Almeida.
  • Leandro, Márcio Passos; Hospital Geral Ernesto Simões Filho. Salvador. BR
  • Almeida, Natália Damasceno; Bahia School of Medicine and Public Health. Academic Unit of Brotas. Salvador. BR
  • Hocevar, Lara Santana; Bahia School of Medicine and Public Health. Academic Unit of Brotas. Salvador. BR
  • Sá, Cloud Kennedy Couto de; Hospital Geral Ernesto Simões Filho. Salvador. BR
  • Souza, Amâncio José de; Bahia School of Medicine and Public Health. Academic Unit of Brotas. Salvador. BR
  • Matos, Marcos Almeida; Bahia School of Medicine and Public Health. Academic Unit of Brotas. Salvador. BR
Rev. Paul. Pediatr. (Ed. Port., Online) ; 40: e2021013, 2022. tab, graf
Article in English | LILACS-Express | LILACS | ID: biblio-1376334
ABSTRACT
Abstract

Objective:

To systematically establish whether there is an association between polymorphisms and avascular necrosis in patients with sickle cell disease. Data source The review, conducted according to PRISMA guidelines and registered with PROSPERO, was based on research of studies in PubMed, SciELO, LILACS, BVS databases and in the gray literature (Google Scholar and Open Gray) published until June 2020. The STROBE initiative was used to analyze the articles' quality. Data

synthesis:

Ten articles were selected from the databases and two were included through manual search, totaling 12 studies. All samples gathered 2,362 patients. According to STROBE, seven studies fully and/or partially covered more than 70% of the essential items and two studies reached less than 60%, with an overall variation of 86.4-54.5%. The results indicate that polymorphisms in the genes of the bone morphogenetic protein 6 (BMP6), Klotho (KL) and Annexin A2 (ANXA2) may be associated with osteonecrosis in the context of sickle cell disease. Six articles addressed the polymorphism in the MTHFR enzyme gene, but only one found a positive association. Polymorphisms associated with the DARC receptor, the ITGA4 gene, CD36 and thrombophilia protein genes were not associated in any of the studies.

Conclusions:

The results indicate that the polymorphisms in BMP6, Klotho and ANXA2 genes may be associated with avascular necrosis in patients with sickle cell disease. However, in order to confirm these genetic changes as risk factors, further studies with greater statistical power and methodological rigor are needed.
RESUMO
Resumo

Objetivo:

Estabelecer, de modo sistemático, se existe associação entre polimorfismos e a necrose avascular em pacientes com doença falciforme. Fontes de dados A revisão, conduzida segundo as diretrizes Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) e registrada no International Prospective Register of Systematic Reviews (PROSPERO), foi baseada na busca de estudos nas bases de dados PubMed, Scientific Electronic Library Online (SciELO), Literatura Latino-Americana e do Caribe em Ciências da Saúde (LILACS), Biblioteca Virtual em Saúde (BVS) e na literatura cinza (Google Scholar e Open Gray) até junho de 2020. A análise da qualidade dos artigos foi baseada nos critérios do Strengthening the Reporting of Observational Studies in Epidemiology (STROBE). Síntese dos dados Dez artigos foram selecionados nas bases de dados e dois incluídos por meio da busca manual, totalizando 12 estudos elencados. As amostras resultaram em 2.362 pacientes incluídos. Com base na iniciativa STROBE, sete estudos atenderam total e/ou parcialmente mais de 70% dos itens essenciais e dois atingiram menos que 60% deles, com variação geral de 86,4-54,5%. Os resultados mostram que os polimorfismos nos genes da proteína morfogenética óssea 6 (BMP6), da Klotho (KL) e da Anexina A2 (ANXA2) podem ter associação com osteonecrose no contexto da doença falciforme. Seis artigos estudaram o polimorfismo no gene da enzima MTHFR, mas apenas um obteve associação positiva. Os polimorfismos associados ao receptor DARC, ao gene ITGA4, ao CD36 e aos genes de proteínas trombofílicas não demonstraram associação em nenhum dos estudos.

Conclusões:

Os polimorfismos nos genes BMP6, KL e ANXA2 estão possivelmente associados com a necrose avascular em indivíduos com doença falciforme. Entretanto, para a confirmação dessas alterações genéticas como fatores de risco, é necessário que mais estudos com maior poder estatístico e com maior rigor metodológico sejam realizados.


Full text: Available Index: LILACS (Americas) Type of study: Observational study / Risk factors / Systematic reviews Language: English Journal: Rev. Paul. Pediatr. (Ed. Port., Online) Journal subject: Medicina / Patologia Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Bahia School of Medicine and Public Health/BR / Hospital Geral Ernesto Simões Filho/BR

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Full text: Available Index: LILACS (Americas) Type of study: Observational study / Risk factors / Systematic reviews Language: English Journal: Rev. Paul. Pediatr. (Ed. Port., Online) Journal subject: Medicina / Patologia Year: 2022 Type: Article Affiliation country: Brazil Institution/Affiliation country: Bahia School of Medicine and Public Health/BR / Hospital Geral Ernesto Simões Filho/BR