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Diferencias raciales en la muerte súbita por ataque cardíaco

  • 0Departments of Epidemiology and Medicine, and Welch Center for Prevention, Epidemiology, and Clinical Research, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD (D.Z., W.S.P., E.B.-C., E.D.M., E.G.).

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Resumen

Este resumen es generado por máquina.

Los negros enfrentan un riesgo significativamente mayor de muerte súbita cardíaca (SCD) en comparación con los blancos, especialmente las mujeres. Los factores socioeconómicos como el ingreso y la educación, junto con los factores de riesgo tradicionales, explican la mayor parte de esta disparidad.

Área De La Ciencia

  • Cardiología
  • Salud pública
  • Epidemiología

Sus Antecedentes

  • Los negros presentan una mayor incidencia de muerte súbita cardíaca fuera del hospital (SCD) que los blancos.
  • Las investigaciones anteriores no han evaluado completamente las disparidades raciales en el riesgo acumulado de ECS dentro de grandes cohortes comunitarias.

Objetivo Del Estudio

  • Para comparar el riesgo acumulado de SCD durante toda la vida entre las poblaciones negras y blancas.
  • Identificar los factores de riesgo que contribuyen a las diferencias raciales en el riesgo de ECS.

Principales Métodos

  • Un estudio de cohorte en el que participaron 3832 participantes negros y 11.237 blancos del Estudio de Riesgo de Aterosclerosis en las Comunidades (ARIC).
  • Se adjudicaron casos de ECS y se calculó la incidencia acumulada utilizando modelos de riesgo competidores.
  • Los posibles factores mediadores incluyen la demografía, el estatus socioeconómico, los factores de riesgo cardiovascular y los parámetros electrocardiográficos.

Principales Resultados

  • A lo largo de 27,4 años, la ECS se produjo en 215 individuos negros y 332 blancos.
  • La incidencia acumulada de SCD a la edad de 85 años fue más alta para los hombres negros (9,6%) y más baja para las mujeres blancas (2,3%).
  • Los factores conocidos explicaron el 65.3% del exceso de riesgo de ECS en los negros frente a los blancos, con ingresos, educación, hipertensión y diabetes como contribuyentes clave.

Conclusiones

  • Los negros, especialmente las mujeres, tienen un riesgo sustancialmente mayor de ECS en comparación con los blancos.
  • Los factores de riesgo socioeconómicos y cardiovasculares tradicionales representan una parte significativa de la disparidad racial en la ECS.
  • Las disparidades observadas entre las razas y los géneros en la carga de la ECS ponen de relieve un desafío crítico de salud pública y clínico.

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