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Manifestaciones Clínicas

Eunsun Gill1, Flor Alvarado2, David J Libon3,4

  • 1Celia Scott Weatherhead Tulane University School of Public Health and Tropical Medicine, New Orleans, LA, USA.

Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 25, 2025
PubMed
Resumen
Este resumen es generado por máquina.

Las trayectorias de disminución de la función renal, tanto altas como bajas, se asocian con una función cognitiva más pobre en la mediana edad. Mantener una tasa de filtración glomerular estimada (TFG) estable es crucial para preservar la salud cognitiva a lo largo de la edad adulta.

Palabras clave:
función renalcogniciónedad adultasalud renalTFG estimada

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Área de la Ciencia:

  • Nefrología
  • Neurología
  • Gerontología

Sus antecedentes:

  • La tasa de filtración glomerular estimada (TFG) muestra una asociación no lineal con la función cognitiva (FC).
  • El impacto a largo plazo de las trayectorias de TFG en la función cognitiva de mediana edad sigue siendo poco investigado.
  • Este estudio utiliza datos del Bogalusa Heart Study (BHS) para explorar esta relación.

Objetivo del estudio:

  • Investigar la asociación entre las trayectorias distintas de TFG a lo largo de la edad adulta y la función cognitiva en la mediana edad.
  • Identificar patrones de cambios en la TFG a lo largo del tiempo y su correlación con diversos dominios cognitivos.

Principales métodos:

  • El análisis de crecimiento de clases latentes identificó tres clases de trayectorias de TFG a partir de 721 participantes del BHS con múltiples mediciones de creatinina en la edad adulta.
  • La función cognitiva se evaluó mediante pruebas de memoria, memoria de trabajo, atención y velocidad de procesamiento, y la FC global se calculó promediando las puntuaciones.
  • Se realizaron análisis de regresión multivariante ajustados por factores demográficos y clínicos para determinar la asociación entre las trayectorias de TFG y la FC.

Principales resultados:

  • Se identificaron tres trayectorias de TFG: 'tendencia descendente constante alta' (46.7%), 'tendencia ascendente a descendente' (28.7%) y 'tendencia descendente constante baja' (24.4%).
  • Tanto las trayectorias de TFG con tendencia descendente constante alta como las de tendencia descendente constante baja se asociaron con una función cognitiva global significativamente menor en comparación con la tendencia ascendente a descendente.
  • Los dominios cognitivos específicos, incluida la memoria episódica, la memoria de trabajo, la atención y la velocidad de procesamiento de información grafomotora (GIPS), se vieron afectados negativamente por ambas tendencias descendentes de la TFG.

Conclusiones:

  • Tanto las tendencias descendentes constantes altas como bajas de la TFG durante la edad adulta se asocian con una disminución de la función cognitiva global y de dominios cognitivos específicos en la mediana edad.
  • Una trayectoria de TFG ascendente a descendente se asoció con mejores resultados cognitivos en comparación con las tendencias descendentes sostenidas.
  • Estos hallazgos resaltan el papel crítico del mantenimiento de una función renal estable en la preservación de la salud cognitiva a lo largo de la vida.