Usefulness of STS-Renal and ACEF scores as predictive models for acute kidney injury after cardiac surgery in UMAE Cardiology Hospital-CMN IMSS Mexico

Objective: To Evaluate the STS-renal and ACEF scores which are short-Term Risk Calculators for developing renal failure in patients after cardiac surgery at a unique 3rd level Medical Center in Mexico City. Methods: We conducted a retrospective study, consecutive patients between August 1st 2015 and July 31st 2016 were included. We applied the STS-renal and ACEF scores as predictive methods for acute kidney injury (AKI) after cardiac surgery with cardiopulmonary bypass. Results: They were 525 patients who met the inclusion criteria. Arose kidney injury in 135 (25.5%) of the patients. We found that age, time of aortic clamping, pre-operative creatinine, hypertension and complexity of the procedure level are the principal risk factors for kidney injury, and as a consequence, we observed a correlation among the severity of kidney injury and increases of the hospital stay and mortality. 26(5%) patients died, six of them directly attributable to kidney injury. Conclusions: We assessed two risk scores to predict early kidney injury after cardiac surgery. We found as the most applicable to our population the STS-kidney short term risk calculator. The use of this kind of risk calculators should be applied routinely in México. Key words: Cardiac Surgery; Kidney Injury; ACEF; ST