Not much help, but here's what I could find:
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"If the patient reports that fatigue leads to functional impairment, providers should actively consider common causes such as worsening heart failure, chronic fatigue syndrome, hypothyroidism, liver disease, depression, sleep disorders, autoimmune diseases as well as the kidney-disease related factors outlined in this review."
Fatigue in Patients Receiving Maintenance Dialysis: A Review of Definitions, Measures, and Contributing Factors
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2582327/================
"In the diagnosis of Chronic Fatigue Syndrome, various complementary criteria play an important role in the final decision such as pain in multiple joints, headaches, nausea, chest pain, shortness of breath,
difficulties in maintaining upright position, and various psychological problems such as depression, irritability, mood swings, and other. Those are evident in HD patients however, the clinical significance of those symptoms changes when viewed in relation to fatigue."
Hemodialysis Fatigue: Just “Simple” Fatigue or a Syndrome on Its Own Right?https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3429077/