Cardiovascular care after the CPB pump often require an exhaustive reanimation,because reduces the intravascular oncotic pressure and increases the capillary permeability.The crystalloids might increase edema and is well known that fluid overload increases mortality.The colloids have not proved a better outcome.A option is to use hypertonic solutions.Lactate is reliable for monitoring adequate tissue perfusion during extracorporeal life support and is strongly predictive of mortality.