A Risk Score To Predict The Need For Dialysis* After Heart Surgery  
  Risk Factors Select Values Here Risk Score  
  Age (yrs) See GFR  
  Gender See GFR  
  Weight in Kilograms See GFR  
  Serum Creatinine in mg/dl See GFR  
  Is Surgery Non-Elective?  
  Is LV Ejection Fraction 40% Or Less?  
  Has Patient Had Previous Cardiac Surgery?  
  Diabetes Mellitus Requiring Medication?  
  Pre-Operative Intra-Aortic Balloon Pump?  
  More Than Isolated CABG Or ASD Repair?**  
  Glomerular Filtration Rate (GFR)***  
  Risk of Need For Post-Op Dialysis  
  Risk of Need For Dialysis: Category    
  Wijeysundera, DN, et al.  JAMA. 2007; 297:1801-1809.  
  Data Source: University of Toronto, Ottawa Heart Institute. Patients = 20131.  
  Comment: Total  Point Score risks were provided by Dr. Wijeysundera.  
  *"Dialysis" in this study included hemodialysis and continuous venovenous hemofiltration.  
  **Procedures other than isolated coronary artery bypass graft or isolated septal defect repair.  
  ***Estimate of pre-operative glomerular filtration rate employed the Cockcroft-Gault equation.  
  Web calculator design and HTML transfer by Dr. John Coyle, 2007.  

           For another way of looking at this Risk Score information, go to

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