PARSONNET  

 

 

Sex

Age

Morbid obesity

Male
Female

< 70 years
70 - 74 years
75 - 79 years
>= 80 years

Yes (>=1.5 * ideal weight)
No

Diabetes

Ejection Fraction

Hypertension

Yes (unspecified type)
No

>= 50%
30 - 49 %
< 30 %

Yes (BP > 140/90 mmHg)
or antihypertensive medications
No

Reoperation

Preoperative IABP

Left ventricular aneurysm

None
First
Second

Yes
No

Yes
No

Emergency surgery

Dialysis

Aortic valve surgery

Yes (following PTCA or catheterization complications)
No

Yes (hemodialysis or peritoneal)
No

Yes
Yes (with gradient >= 120 mmHg)
No

CABG at time of valve surgery

"Additive Model"
Univariate analysis: Predicted probability of operative mortality = SUM ((weight for risk factor) * (1 if factor present, 0 if absent))

=

Mitral valve surgery

Yes
No

Yes
Yes ( with Systolic PAP >=60 mmHg)
No

Catastrophic states

Other rare circumstances

e.g. acute structural defect, cardiogenic shock acute renal failure or other conditions (select the level of severity)

Zero One Two Three Four Five

Paraplegia, pacemaker dependency, congenital heart disease in adult severe asthma or other conditions (select the level of severity)

Zero One Two Three Four Five