Introduction

This study explores the link between fatigue and apathy in patients on chronic hemodialysis (HD).

Methods

139 chronic HD patients underwent the assessment of fatigue, apathy, depression, and their functional status, with the Fatigue Severity Scale (FSS), the Apathy Evaluation Scale (AES), the Beck Depression Inventory (BDI), the Activity of Daily Living (ADL), and Instrumental Activity of Daily Living (IADL).

Results

Patients with high FSS had a significantly lower ADL and IADL score, higher BDI, Charlson Comorbidity Index, and AES score, and lower serum levels of creatinine, compared to low FSS patients. FSS was highly correlated with the AES, as well as with the BDI and the AES correlates with the BDI. At multiple regression analyses, only apathy and IADL were independent predictor variables of fatigue in HD population.

Conclusion

Future longitudinal studies could determine if apathy is a causative factor for fatigue manifestation and development in HD patients.

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