Acute kidney injury (AKI) has been reported to occur in 30% to 40% of patients undergoing cardiac surgery .Many reports have discussed the risk factors associated with on-pump coronary artery bypass grafting and acute kidney injury (AKI) requiring continuous renal replacement therapy (CRRT).Off-pump coronary artery bypass or" Beating Heart" surgery is a form of coronary artery bypass graft (CABG) surgery performed without cardiopulmonary bypass (heart-lung machine) as a treatment for coronary heart disease. coronary artery bypass grafting (CABG) without the use of cardiopulmonary bypass or cardioplegia (off-pump CABG, or OPCAB) is superior to that performed with the heart-lung machine and the heart’s being chemically arrested (standard CABG).The identification of risk factors for AKI in patients after OPCABG may result in better care, more appropriate resource utilization, and, finally, better outcome. Study was conducted to determine the risk factors that predict AKI requiring CRRT after Beating Heart Surgery. A study of 237 non dialysis subjects underwent OPCAB. Among them 33 needed CRRT due to AKI was studied. In conclusion, it is possible that the risk of developing AKI requiring CRRT after OPCABG depended on the levels of GFR, serum albumin and hemoglobin before surgery, on the levels of urine volume and use of IABP during surgery and the levels of P/F after surgery.
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