NPPB and acute kidney injury: Regarding survival to hospital discharge, univariate analysis showed BNP over1000 post-MCS, SIRS, and AKI as risk factors, but multivariable analysis andBinary logistic regression identified that only AKI during hospitalization was apredictive variable of mortality (OR=22.6 [CI=1.04-494.6];P=0.04; Table 4).