AKI(Acute Kidney Injury) is a common complication after cardiac surgery which is associated with increased mortality and morbidity. Collecting perioperative biosignal data and studying their association with renal outcomes can help improve kidney injury, mortality, and morbidity in cardiac surgical patients. Furthermore, the occurrence of AKI, length of hospital stay, and recovery of renal function after discharge are closely associated with the development of chronic kidney disease (CKD). Therefore, regular monitoring of renal function and related indicators in cardiac surgical patients can help improve long-term outcomes.
Study Type
OBSERVATIONAL
Enrollment
10,000
Severance Hospital
Seoul, South Korea
post-operative AKI incidence within 1 week after cardiac surgery with CPB
The definition of AKI refers to Kidney Disease: Improving Global Outcomes (KDIGO) Acute Kidney Injury Work Group. KDIGO Clinical Practice Guideline for Acute Kidney Injury.
Time frame: within first 7 days after surgery
MAKE 30 (Major adverse kidney event within 30 days)
death, starting dialysis, or decrease in eGFR of 25 % or more within 30 days after surgery
Time frame: within 30 days after surgery
MAKE 90 (Major Adverse kidney event within 90 days)
death, starting dialysis, or decrease in eGFR of 25 % or more within 90 days after surgery
Time frame: within 90 days after surgery
incidence of CKD (chronic kidney disease) within 1 year
at least one of the following criteria is met, with structural or functional abnormalities of the kidney persisting for at least 3 months within 1 year * urine albumin/creatinine ratio ≥ 30 mg/g * abnormality in urine sediment test or persistent hematuria * renal structural abnormalities found in image study * eGFR \< 60 ml/min/1.73m2 (GFR category G3a-G5)
Time frame: within 1 year after surgery
1 year mortality
death due to any cause within 1 year
Time frame: within 1 year after surgery
in-hospital mortality
death which occurs during the hospitalization
Time frame: from day of hospitalization for surgery until discharge after surgery 1year
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