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Salud Pública

Carol E Franz1,2, Erik Buchholz1,3, Tyler R Bell1

  • 1University of California San Diego, La Jolla, CA, USA.

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Este resumen es generado por máquina.

Los factores de riesgo modificables de demencia explicaron poca varianza en la enfermedad de Alzheimer en comparación con la biomarcadores, pero fueron más influyentes que el APOE o la edad. Factores clave como la glucosa, el IMC y la contaminación del aire ofrecen oportunidades de intervención.

Palabras clave:
Salud PúblicaDemenciaFactores de RiesgoEnfermedad de AlzheimerBiomarcadoresPrevención

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Área de la Ciencia:

  • Neurología
  • Gerontología
  • Salud Pública

Sus antecedentes:

  • La Comisión Lancet de 2024 identificó 14 factores de riesgo modificables de demencia, que podrían reducir la incidencia en un 45%.
  • La investigación limitada ha examinado simultáneamente estos factores frente a los biomarcadores de la enfermedad de Alzheimer (AD) y el deterioro cognitivo leve (MCI).

Objetivo del estudio:

  • Investigar el impacto colectivo de 14 factores de riesgo modificables en biomarcadores plasmáticos relacionados con el AD y el MCI.
  • Comparar la influencia de estos factores de riesgo con la edad y el estado de APOE.

Principales métodos:

  • Se utilizaron datos de 936 hombres del Vietnam Era Twin Study of Aging (edad media 62).
  • Se evaluaron 14 factores de riesgo, incluida la educación, el estilo de vida y las exposiciones ambientales (PM2,5).
  • Se midieron biomarcadores plasmáticos (Aβ42/40, pTau231, NfL, GFAP) y diagnóstico de MCI a una edad media de 68 años, empleando análisis de Random Forest.

Principales resultados:

  • Los factores de riesgo modificables explicaron una mínima varianza en pTau231 (0%), Aβ42/40 (0%), NfL (7%) y GFAP (8%).
  • La precisión predictiva (AUC) para MCI fue 0,62.
  • La glucosa en ayunas, la educación y el IMC fueron los principales predictores de NfL; el IMC, la educación y el PM2,5 para GFAP; y la presión arterial, el PM2,5 y la educación para MCI.

Conclusiones:

  • Considerados en conjunto, los 14 factores de riesgo representaron una varianza limitada en biomarcadores plasmáticos y MCI durante 6 años.
  • Los factores modificables demostraron una mayor influencia que el APOE o la edad.
  • Los predictores consistentes (glucosa, IMC, PM2,5, educación) subrayan la importancia de las intervenciones de estilo de vida y ambientales para la prevención del AD.