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Score of Garcia et al for Predicting the Need for Coronary Artery Bypass Graft (CABG) Surgery in a Patient with a Non-ST Segment Elevation Acute Coronary Syndrome (ACS)

Description

Garcia et al reported a simple score for evaluating a patient with a non-ST segment elevation acute coronary syndrome. This can help to identify a patient who will require a coronary artery bypass graft (CABG) procedure. The authors are from the University of Miami.


Patient selection: non-ST segment elevation acute coronary syndrome

 

Outcome: predicting the risk for CABG prior to angiography

 

Parameters:

(1) TIMI risk score (from 0 to 7)

(2) peripheral vascular disease

(3) congestive heart failure

 

Parameter

Finding

Points

TIMI risk score

 

(TIME score)

peripheral vascular disease

absent

0

 

present

2

congestive heart failure

absent

0

 

present

1

 

total score =

= SUM(points for all 3 parameters)

 

Interpretation:

• minimum score: 0

• maximum score: 10

• A score > 4 had the greatest accuracy (76%) for predicting CABG.

 

Score

Risk CABG

0 or 1

4%

2

20%

3

30%

4

46%

5 or 6

74%

>= 7

95%

from Figure 1

 

Performance:

• The area under the ROC curve is 0.80.


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