Among the markers targeting the inflammatory response, C-reactive protein, interleukin (IL)-1, IL-6, tumor necrosis factor-alpha (TNF-α), Fas (APO-1), procalcitonin, and other inflammatory markers have also been shown in studies to be associated with prognosis in patients with HF [[11], [12], [13]]. The gene discussed is TNF; the disease is hydrops fetalis.