VARIABILIDADE DA FREQUÊNCIA CARDÍADA EM MULHERES COM MIGRÂNEA: UM ESTUDO PILOTO TRANSVERSAL
DOI:
https://doi.org/10.48208/HeadacheMed.2026.7Palavras-chave:
Migranea, Sistema nervoso autônomo , Variabilidade, Frequência cardíacaResumo
INTRODUÇÃO: A migrânea, disfunção neurológica predominante em mulheres, afeta o Sistema Nervoso Autônomo, que regula a frequência cardíaca. Essa regulação pode ser avaliada pela variabilidade da frequência cardíaca (VFC).OBJETIVOS:Verificar redução da VFC em mulheres com migrânea no período interictal.MÉTODOS: Trata - se de um estudo transversal, com 45 voluntárias entre 20 e 50 anos (24 ± 5DP). Foram divididas em Grupo Migrânea (GM, n=35; 25 ± 5DP) e Grupo Controle (GC, n=10; 21 ± 2DP), segundo os critérios do ID Migraine Questionary. Foram analisadas variáveis da VFC: Standard deviation of the average N-N interval (SDNN), Square root of the mean squared differences of successive N-N interval (RMSSD) e Proportion derived by dividing NN50 by the total number of N-N intervals (pNN50); Low frequency (LF), High frequency (HF) e razão LF/HF. A análise estatística foi realizada no Jamovi, com Teste t de Student e Mann-Whitney RESULTADOS: Para o GM e GC respectivamente, SDNN 35,7±11,7 ms vs 33.0±11.6 ms;(P=0.523); RMSSD 29,9±14,5 ms vs 28±12,8 ms; (P=0.743); pNN50 11,2±12.3% vs 8,85±10,8%; (P= 0.583); LF 730±502 ms² vs 720±454 ms²;(P=0.968); HF 547±524 ms² vs 442±357 ms²; (P=0.555); LF/HF 2,32±2,48 vs 2,11±1,23; (P=0.527). CONCLUSÃO: Houve redução da VFC em ambos os grupos, com aumento da atividade simpática. Ambos não apresentaram diferenças estatisticamente significativas.
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Copyright (c) 2026 Izabela Millery da Silva Cruz, Daniella Cunha Brandão, Mayara Costa Barros, Jaqueline Severo dos Santos, Helena Cysneiros, Emanuel Roger dos Santos Reis, Daniella Araújo de Oliveira (Author)
Este trabalho está licenciado sob uma licença Creative Commons Attribution 4.0 International License.
