ArticleBMC psychiatry2025
Fatigue and psychological distress in Chinese patients with hemodialysis: a moderated mediation model of cognitive decline and psychological flexibility.
Article in BMC psychiatry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- A brief fall-risk screening tool to support early rehabilitation referral in hemodialysis patients: multicenter prospective cohort study.Clinical and experimental nephrology · 2026Article
- The central role of habit in fluid management: a longitudinal study in patients on maintenance hemodialysis.BMC nephrology · 2026Article
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Authors and funding
8 authors.
Funding
Abstract
backgroundFatigue and psychological distress are prevalent symptoms in hemodialysis (HD) patients, but the psychological mechanisms underlying these symptoms are not well understood. Cognitive decline and psychological flexibility may play significant roles in the emotional regulation processes associated with fatigue and psychological distress. This study aimed to explore whether cognitive decline mediates the association between fatigue and psychological distress, and whether mental flexibility plays a moderating role in this mediating effect.
methodsA cross-sectional study using a convenience sample of 283 HD patients was conducted. Participants completed a self-administered, structured questionnaire that assessed socio-demographic and clinical variables, fatigue, cognitive decline, psychological flexibility, and psychological distress.
resultsThe mediation analysis revealed that cognitive decline partially mediated the relationship between fatigue and psychological distress. Moderated mediation analysis showed that psychological flexibility significantly moderated both the direct effects of fatigue and cognitive decline on psychological distress, as well as the indirect effect of fatigue on psychological distress through cognitive decline. Specifically, as levels of psychological flexibility increased, both the direct and indirect effects decreased significantly.
conclusionThe results show that psychological flexibility plays an important role in buffering the negative effects of fatigue and cognitive decline on psychological distress. Moreover, these findings suggest that acceptance and commitment therapy (ACT) intervention in HD patients can help maintain their mental health. CLINICAL TRIAL NUMBER: Not applicable.
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