The value of the ACEF II score in Chinese patients with elective and non-elective cardiac surgery.

The ACEF II score was defined as age/ejection fraction + 1 (serum creatinine > 2.0 mg/dL) + 3 (emergency surgery) + 0.2 × (36%-hematocrit).Dialysis was defined as the appearance of indications that included uremia (eGFR < 10 ml/min, creatinine > 707 μmol/L), hyperkalemia (serum potassium > 5.5 mmol/L), acidosis (decreased plasma [HCO − ], or increased plasma [H 2 CO 3 ] concentration, or pH showed a decreasing trend), volume overload (renal insufficiency accompanied by obvious edema, pulmonary edema, and cardiac insufficiency) [ 28 ], or biochemical abnormalities (such as endogenous creatinine clearance rate < 10 mL/min, urea nitrogen > 28.6 mmol/L, or blood creatinine > 707 μmol/L), due to renal insufficiency and were based on clinical judgment by the nephrologist,cardiac surgeon and ICU consultant.and they also participated in dialysis strategy.

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