TNF and hydrops fetalis: Therefore, we aimed to prospectively examine the association of self-reported HF self-care with systemic inflammation (i.e., serum levels of tumor necrosis factor alpha (TNF-α), interleukin-6 (IL-6), and IL-10), renal function (i.e., estimated glomerular filtration rate of creatinine (GFRcreat), and hemoglobin (Hb), respectively) at inclusion and 1-year follow-up.