Resumo
Objetivo: Fornecer uma visão geral, abrangente e atualizada da ação do sistema nervoso autônomo na doença de Chagas e a validação da Variabilidade da Frequência Cardíaca (VFC) como uma ferramenta para avaliar o sistema nervoso autônomo na doença de Chagas. Métodos: Esta revisão foi baseada em uma pesquisa nas bases de dados da Scientific Electronic Library Online (SCIELO) e PUBMED entre maio e dezembro de 2023, usando os termos doença de Chagas e variabilidade da frequência cardíaca entre 2011 e 2023. Resultados: O Sistema Nervoso Autônomo (SNA) tem sido amplamente analisado em relação à doença de Chagas. Esses achados caracterizam uma cardiopatia com privação parassimpática e predominância simpática. A variabilidade da frequência cardíaca (VFC) investiga as oscilações nos intervalos entre batimentos cardíacos consecutivos (intervalos RR), que estão seguramente relacionadas à influência do SNA no nó sinusal em um determinado período de tempo. Considerações finaisA disfunção do sistema nervoso autônomo é um dos principais mecanismos de lesão na doença de Chagas, e a variabilidade da frequência cardíaca é uma das formas de detectar essa condição. Entretanto, o uso da variabilidade da frequência cardíaca deve ser incorporado à prática clínica para a avaliação de pacientes diagnosticados com doença de Chagas.
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