Magedanz et al reported a score for predicting mediastinitis after coronary artery bypass surgery. The authors are from PUCRS Sao Lucas Hospital in Porto Alegre, Brazil.
Patient selection: coronary artery bypass graft surgery (CABG)
Parameters:
(1) surgical reoperation
(2) COPD
(3) obesity
(4) class IV or unstable angina
(5) postoperative polytransfusion
Parameter
Finding
Points
reoperation
no
0
yes
3
COPD
no
0
yes
2
obesity
no
0
yes (BMI >= 30 kg per sq m
2
class IV or unstable angina
no
0
yes
1
polytransfusion
no
0
yes
1
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 9
Score
Risk of Mediastinitis
0
low
1 or 2
medium
3 or 4
high
>= 5
very high
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