Los hombres hipertensos con antecedentes de COVID-19 leve presentan mayor variabilidad cardiovascular y menor complejidad autonómica

Autores/as

DOI:

https://doi.org/10.47197/retos.v83.118344

Palabras clave:

Control autonómico cardio-vascular , COVID-19, hipertensión arterial, sistema nervioso autónomo, variabilidad de la frecuencia cardíaca

Resumen

Introducción: El impacto de la COVID-19 sobre la regulación autonómica cardiovascular en individuos con hipertensión arterial sistémica (HAS) sigue siendo poco conocido. Dado que la hipertensión ya se asocia con alteraciones autonómicas cardiovasculares, la infección por SARS-CoV-2 podría agravar estas alteraciones.

Objetivo: Investigar los efectos a largo plazo de la COVID-19 leve sobre la regulación autonómica cardiovascular en hombres hipertensos, con énfasis en la variabilidad de la frecuencia cardíaca (VFC).

Métodos: Los participantes fueron distribuidos en dos grupos emparejados por edad, características antropométricas y aptitud física: hipertensos evaluados antes de la pandemia (grupo HAS, n = 40) e hipertensos evaluados al menos 12 meses después de una COVID-19 leve (grupo HAS-COV, n=47). Se realizaron evaluaciones antropométricas, hemodinámicas y metabólicas, además de registros continuos de frecuencia cardíaca y presión arterial.

Resultados: En comparación con el grupo HAS, el grupo HAS-COV presentó una mayor varianza de la VFC (1995±1634 frente a 1304±829 ms²; p=0,031), mayor potencia de baja frecuencia en unidades absolutas (632±572 frente a 376±270 ms²; p=0,012), valores más elevados de 0V% (39,0±14,2 frente a 30,9±12,8 %; p=0,007) y mayores valores de SD2 (40,4±15,3 frente a 32,2±12,4 ms; p=0,013). Además, mostró menores índices de entropía y menor eficacia barorrefleja.

Conclusión: Los hombres hipertensos con antecedentes de COVID-19 leve presentaron alteraciones persistentes de la regulación autonómica cardiovascular, caracterizadas por una mayor variabilidad cardiovascular, una menor complejidad fisiológica y una menor eficacia barorrefleja. Estos hallazgos sugieren que la infección por SARS-CoV-2 puede contribuir a la desregulación autonómica cardiovascular a largo plazo en esta población.

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30-05-2026

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Artículos de carácter científico: investigaciones básicas y/o aplicadas

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Chinellato, N., Veiga, A. C., Philbois, S. V., Facioli, T. de P., Landucci, A. J. L., de Paula, J. A. S., & de Souza, H. C. D. (2026). Los hombres hipertensos con antecedentes de COVID-19 leve presentan mayor variabilidad cardiovascular y menor complejidad autonómica. Retos, 83, 796-808. https://doi.org/10.47197/retos.v83.118344