NPPB and hydrops fetalis: In most of the scoring system, such as Acute Decompensated Heart Failure National Registry (ADHERE) risk score5, OPTIMIZE-HF risk score4, Get with the guidelines program (GWTG)-HF risk score8, Acute Heart Failure Database (AHEAD) registry7 and HF revised score9, the NT-pro-BNP level proved more difficult in being taken into consideration because its data was available in only about half of the participants in these studies.