La mala calidad del sueño empeora el control del equilibrio estático y dinámico en personas con dolor lumbar crónico:

Daniel K Y Zheng1,2, Zhihan Sun1,3, Jeremy R Chang1

  • 1Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong, China.

PubMed

Objetivo:Para investigar la influencia de la calidad del sueño y los factores asociados en el control del equilibrio en individuos con dolor lumbar crónico (DLC).Métodos:85 participantes (edad media 33,2 ± 12,5 años) con dolor lumbar crónico (DLC) fueron reclutados. El bienestar físico y emocional se evaluó mediante un conjunto de cuestionarios. La calidad del sueño durante el último mes se evaluó utilizando el Índice de Calidad del Sueño de Pittsburgh (PSQI). Los participantes se dividieron en dos grupos: calidad del sueño buena (CSB) y calidad del sueño pobre (CSP), según sus puntuaciones en el PSQI fueran ≤ 5 y > 5, respectivamente. El control del equilibrio se midió mediante la prueba de mantenerse sobre una pierna con los ojos cerrados y la prueba de equilibrio en Y.Resultados:El grupo GSQ incluyó 37 participantes, mientras que el grupo PSQ comprendió 48 participantes. Después de controlar posibles confusiones (incluyendo género, edad, discapacidad, ansiedad, depresión y creencias de evitación por miedo), los participantes con PSQ mostraron un desempeño significativamente peor en la postura sobre una pierna con los ojos cerrados, así como puntuaciones normalizadas más bajas en las direcciones posteromedial, posterolateral y compuesta del test de equilibrio en Y, en comparación con los participantes con GSQ. Además, la calidad del sueño explicó entre el 16,9 % y el 24,9 % de la varianza en el control del equilibrio, mientras que la edad explicó un 5,2 %–13,2 % adicional de la varianza. Asimismo, niveles más altos de discapacidad física y ansiedad se asociaron con un peor control del equilibrio.Conclusiones:Las personas con DBCP y PSQ concurrentes presentan un control del equilibrio significativamente peor que aquellas con DBCP únicamente. Los estudios futuros deben investigar si mejorar la calidad del sueño, la discapacidad física y la ansiedad puede potenciar el equilibrio en individuos con DBCP.

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