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Salud Pública

Eleni Palpatzis1,2, Pablo Aguilar3,4,5, Carmen M Colceriu1,4

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Resumen
Este resumen es generado por máquina.

Una mayor transitabilidad del vecindario se relaciona con una reducción de los marcadores de neurodegeneración y los síntomas depresivos, especialmente en áreas desfavorecidas. Esta asociación también se observa con la carga de amiloide en personas diagnosticadas con demencia.

Palabras clave:
Salud PúblicaTransitabilidadNeurodegeneraciónSalud MentalAdultos MayoresPlanificación UrbanaMarcadores BiológicosDepresiónDemencia

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Área de la Ciencia:

  • Neurociencia
  • Salud Urbana
  • Gerontología

Sus antecedentes:

  • La transitabilidad del vecindario es cada vez más reconocida por su impacto en la función cognitiva y el bienestar mental en adultos mayores.
  • La investigación existente sugiere un vínculo entre el diseño urbano y los resultados de salud, pero las asociaciones específicas con biomarcadores y salud mental requieren una mayor investigación.

Objetivo del estudio:

  • Investigar la relación entre la transitabilidad del vecindario y los marcadores de amiloide, neurodegeneración y neuroinflamación en el líquido cefalorraquídeo (LCR).
  • Examinar las asociaciones entre la transitabilidad y los síntomas depresivos en adultos mayores, considerando la privación del vecindario y el estado cognitivo.

Principales métodos:

  • Análisis transversal de 255 participantes de la cohorte Sant Pau Initiative on Neurodegeneration (SPIN), que incluye individuos con y sin deterioro cognitivo.
  • La transitabilidad se evaluó dentro de un radio de 300 m, con resultados que incluyen biomarcadores en LCR (Aβ42, T-tau, YKL-40) y síntomas depresivos (GDS-30).
  • Se utilizaron modelos de regresión lineal múltiple ajustados por covariables, estratificados por privación del vecindario (Índice de Privación del Área) y estado cognitivo.

Principales resultados:

  • Una mayor transitabilidad se asoció con niveles más bajos de T-tau (neurodegeneración) en la muestra general.
  • En áreas de alta privación, una mayor transitabilidad se correlacionó con niveles más bajos de T-tau e YKL-40 (neuroinflamación).
  • Una mayor transitabilidad se relacionó con una menor carga de beta-amiloide (Aβ) específicamente en personas con diagnóstico de demencia.

Conclusiones:

  • La transitabilidad del vecindario se asocia con una reducción de la neurodegeneración, la neuroinflamación y los síntomas depresivos, especialmente en entornos urbanos desfavorecidos.
  • Los hallazgos sugieren que las intervenciones de planificación urbana que promueven la transitabilidad podrían beneficiar la salud cerebral y mental en las poblaciones que envejecen.
  • Se necesita más investigación para dilucidar las vías mediadoras, como la actividad física y la salud mental, que conectan la transitabilidad con los resultados de salud.