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Preoperative Scoring System of Friedman et al for Risk of Sternal Surgical Site Infection (SSI) Following Coronary Artery Bypass Graft (CABG) Surgery (Australian Clinical Risk Index)

Purpose: To identify a patient who is at risk for a sternal surgica site infection (SSI) after coronary artery bypass graft surgery (CABG) using the score of Friedman et al.

Description

Friedman et al developed a simple preoperative score which can help to identify a patient at risk for a sternal surgical site infection (SSI) following coronary artery bypass graft (CABG) surgery. A patient at risk may benefit from more aggressive management. The authors are from Victorian Hospital in Melbourne, Australia.


Parameters:

(1) diabetes

(2) body mass index (BMI)

 

Parameter

Finding

Points

diabetes

absent

0

 

present

1

body mass index

< 30 kg per square meter

0

 

30 to 34.9 per square meter

1

 

>= 35 kg per square meter

2

 

risk score =

= SUM(points for both risk factors)

 

Interpretation:

• minimum risk score: 0

• maximum risk score: 3

• The higher the score the greater the risk of a postoperative sternal surgical site infection. The risk increases about 2-fold for each point (so a person with a score of 3 has an 8-fold increase in risk).

 

The receipt of a blood transfusion was an additional risk factor for a surgical site infection.


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Specialty

Objective

ICD-10