NPPB and hydrops fetalis: Compared to the hospital admission (acute phase) (Table 1), HF patients showed at discharge: i) significantly higher median (lower and upper quartiles) value of LVEF [52% (45–57%) vs. 31% (25–38%), p < 0.05], ii) lower plasmatic values of NT-proBNP [510 pg/mL (250–1470 pg/mL) vs. 1150 pg/mL (590–2250 pg/mL), p < 0.05] and white blood cell count [5 ×109/L (4–6 ×109) vs. 8 ×109/L (6–10 × 109), p < 0.05].