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El humo de tabaco de segunda mano y el riesgo de fibrilación auricular: un análisis epidemiológico observacional y de
Tae-Min Rhee1, Kyung-Yeon Lee2, JungMin Choi2
1Department of Internal Medicine, Seoul National University Hospital, Seoul, Republic of Korea; Department of Internal Medicine, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Republic of Korea.
Heart rhythm
|August 21, 2025
Resumen
La exposición al humo de tabaco de segunda mano aumenta significativamente el riesgo de fibrilación auricular, especialmente cuando se combina con una predisposición genética. La reducción de la exposición a SHS puede reducir la incidencia de FA en individuos susceptibles.
Área de la Ciencia:
- Epidemiología cardiovascular
- Salud del medio ambiente
- La genética
Sus antecedentes:
- Se debate la asociación entre el humo de tabaco de segunda mano (SHS) y el riesgo de fibrilación auricular (AF).
- Comprender este vínculo es crucial para las intervenciones de salud pública.
Objetivo del estudio:
- Investigar el riesgo a largo plazo de AF incidente relacionado con la exposición a SHS.
- Explorar las posibles interacciones entre los genes y el medio ambiente, específicamente la puntuación de riesgo poligénico de SHS y AF (PRS).
Principales métodos:
- Un estudio de cohorte basado en la población a nivel nacional utilizando datos del Biobanco del Reino Unido.
- Categoría de los participantes en grupos expuestos y no expuestos al SHS.
- Análisis del riesgo de AF incidente y de los efectos sinérgicos con el AF PRS.
Principales resultados:
- La exposición a SHS se asoció con un riesgo significativamente mayor de FA (aHR 1, 06).
- Se observó una relación dependiente de la dosis, con una exposición severa que mostraba un mayor riesgo (aHR 1. 11).
- Se encontró una interacción aditiva significativa entre la exposición a SHS y un alto PRS AF (índice de sinergia 1.13).
Conclusiones:
- La exposición a SHS es un predictor significativo del aumento del riesgo de FA.
- Existe un efecto sinérgico entre la exposición a SHS y la predisposición genética a la FA.
- Minimizar la exposición a SHS, particularmente en individuos genéticamente susceptibles, podría reducir el riesgo de FA.
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