A RELEVÂNCIA DO ÍNDICE DE ANISOCITOSE NA DOENÇA CAROTÍDEA
DOI:
https://doi.org/10.48750/acv.324Palavras-chave:
Doença arterial carotídea, Determinação de tamanho eritrocitário, BiomarcadoresResumo
Introdução: A doença carotídea afeta 3-4% da população geral. A associação entre inflamação sistémica de baixo grau e aterosclerose estimulou o estudo de biomarcadores sanguíneos, nomeadamente o índice de anisocitose (RDW-CV), e a sua importância na fisiopatologia e prognóstico da doença carotídea. O objetivo deste estudo foi elaborar uma revisão da literatura no que diz respeito à relevância do RDW-CV na doença carotídea.
Métodos: Foi realizada uma pesquisa na base Medline de forma a identificar publicações focadas na fisiopatologia do RDW-CV e o seu impacto na doença carotídea.
Resultados: Um aumento de RDW-CV associou-se a um espessamento íntima-média carotídea (CIMT) em vários estudos. Associou-se à presença de placas de aterosclerose e sua progressão. Um estudo demonstrou uma associação independente entre mortalidade por todas as causas e mortalidade cardiovascular com o aumento do RDW-CV em doentes com estenose carotídea assintomática.
Conclusão: O RDW-CV é um marcador de baixo custo, prontamente disponível e fácil de se obter que parece estar associado a aterosclerose carotídea subclínica. Contudo são necessários mais estudos para se determinar a sua importância clínica neste contexto.
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