The Cardiovascular
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Acute renal failure after cardiac surgery (Thakar / Cleveland Clinic score)

Risk of dialysis-requiring AKI after cardiac surgery.

Acute renal failure after cardiac surgery (Thakar / Cleveland Clinic score)
Female sex
Congestive heart failure
LV ejection fraction < 35%
Preoperative intra-aortic balloon pump
COPD
Insulin-requiring diabetes
Previous cardiac surgery
Emergency surgery
Type of surgery
Preoperative serum creatinine
Result0 points

Low risk of AKI requiring dialysis (about 0.4-0.5 %).

Risk of dialysis-requiring AKI
0.4-0.5 %

When to use

  • Preoperative estimation of the risk of severe (dialysis-requiring) AKI after cardiac surgery.

Formula

Sum of weighted risk factors (range 0-17). Bands: 0-2 low, 3-5 intermediate, 6-8 high, >=9 very high.

References

  1. Thakar CV, et al. J Am Soc Nephrol. 2005;16(1):162-168.