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Salud Pública

Alberto R Ramos1, Wassim Tarraf2, Charles Decarli3,4

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Resumen
Este resumen es generado por máquina.

Las duraciones de sueño más largas (9+ horas) en adultos mayores se asocian con un declive cognitivo acelerado durante 14 años. Esta asociación persiste independientemente de la gravedad de la apnea del sueño, enfatizando una duración de sueño saludable para la salud cerebral.

Palabras clave:
salud públicaenvejecimientosalud cerebralapnea del sueñodeclive cognitivo

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Área de la Ciencia:

  • Neurociencia
  • Gerontología
  • Medicina del Sueño

Sus antecedentes:

  • El sueño es crucial para la salud cognitiva en adultos mayores, y la investigación previa ha relacionado la duración prolongada del sueño con el declive neurocognitivo.
  • La persistencia de esta asociación a lo largo del tiempo y su posible modulación por la gravedad de la apnea del sueño seguían sin estar claras.

Objetivo del estudio:

  • Investigar la asociación a largo plazo entre la duración del sueño al inicio del estudio y las trayectorias cognitivas durante 14 años.
  • Determinar si la gravedad de la apnea del sueño influye en la relación entre la duración del sueño y el declive cognitivo.

Principales métodos:

  • Análisis de 2.521 participantes del Hispanic Community Health Study/Study of Latinos (HCHS/SOL) con datos de sueño al inicio del estudio.
  • Se utilizaron modelos lineales multinivel para evaluar las trayectorias de cambio cognitivo basadas en la duración del sueño al inicio del estudio (<7, 7-9, 9+ horas) y la gravedad de la apnea del sueño (REI <15 frente a 15+).
  • Se controlaron los factores demográficos y el genotipo APOE4.

Principales resultados:

  • Las personas que informaron 9 o más horas de sueño al inicio del estudio mostraron una tasa más rápida de declive cognitivo durante el período de seguimiento de 14 años.
  • La asociación entre la duración del sueño prolongado y el declive cognitivo no fue modificada significativamente por la gravedad de la apnea del sueño.
  • La duración media del sueño fue de 7,8 horas y la media de REI fue de 7,5.

Conclusiones:

  • La duración prolongada del sueño al inicio del estudio se asocia con un declive cognitivo acelerado durante 14 años en adultos mayores.
  • La gravedad de la apnea del sueño no parece alterar esta relación.
  • Se recomiendan duraciones de sueño saludables para apoyar la salud cerebral y mitigar el declive cognitivo.