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Explorando la relación entre la actividad motora general y las configuraciones óptimas del sueño por actigrafía: una
Agnes M Baarsen1,2, Naomi A A M van den Broek3, Thessa I M Hilgenkamp2,4
1Zideris, Rhenen, the Netherlands.
Journal of sleep research
|August 20, 2025
Resumen
La configuración de la actigrafía de la muñeca necesita ajustes para un seguimiento preciso del sueño. Un umbral de 20 recuentos por minuto mejora la detección en adultos con actividad motora reducida, mientras que el valor predeterminado de 40 cpm es el mejor para la actividad normal.
Área de la Ciencia:
- Medicina del sueño
- Ingeniería biomédica
- Análisis de datos
Sus antecedentes:
- La actigrafía de muñeca es una herramienta común para la detección de patrones de sueño-vigilia.
- Su precisión puede verse influida por los niveles generales de actividad motora.
- La configuración óptima del dispositivo requiere más investigación.
Objetivo del estudio:
- Para determinar la configuración óptima de la actigrafía de la muñeca para detectar patrones de sueño-vigilia en adultos.
- Evaluar la validez de la actigrafía frente a la polisomnografía en diferentes niveles de actividad motora.
Principales métodos:
- Una revisión sistemática (PRISMA, QUADAS-2) identificó 21 estudios para la determinación del umbral óptimo (objetivo 1).
- Un metanálisis incluyó 39 estudios para validar la actigrafía frente a la polisomnografía (objetivo 2).
- Los estudios se centraron en el algoritmo de Oakley en los dispositivos Actiwatch y Motionwatch.
Principales resultados:
- Para la actividad motora normal, el umbral predeterminado de 40 recuentos por minuto (cpm) minimizó las diferencias entre la actigrafía y la polisomnografía.
- Un umbral de 20 cpm mejoró la precisión en adultos con actividad motora general reducida.
- La heterogeneidad del estudio impidió una evaluación definitiva de la validez de la actigrafía en todos los niveles de actividad motora.
Conclusiones:
- La configuración de la actigrafía, específicamente el ajuste del umbral, afecta la precisión de la detección de sueño-vigilia.
- La personalización de la configuración del actigrafo en función de la actividad motora es crucial para una evaluación confiable del sueño.
- Se necesitan más investigaciones para establecer directrices precisas para la configuración de la actigrafía.
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