The Australian Cardiac Surgery Platelet Transfusion (ACSePT) Tool can help to identify a cardiac surgery patient who has an increased chance of receiving a platelet transfusion. The authors are from multiple institutions in Australia.
Patient selection: cardiac surgery
Parameters:
(1) age in years
(2) preoperative dialysis
(3) infective endocarditis
(4) cardiogenic shock at the time of surgery
(5) clopidogrel within 7 days before surgery
(6) history of previous cardiac valve surgery
(7) emergency or salvage surgery
(8) procedures performed
(9) body mass index (BMI) in kg per square meter
Parameter
Finding
Points
age in years
< 70 years
0
>= 70 years
0.5
preoperative dialysis
no
0
yes
0.5
infective endocarditis
no
0
yes
0.5
cardiogenic shock
no
0
yes
0.5
clopidogrel use
none
0
more than 7 days before surgery
0
within 7 days prior to surgery
0.5
history of valve surgery
no
0
yes
0.5
emergency or salvage surgery
no
0
yes
1
procedure
cardiac artery bypass AND valve surgery
1
other cardiac surgery
1
aortic surgery
1
noncardiac surgery
1
cardiac artery bypass OR valve surgery
0
BMI
< 30 kg per square meter
0
>= 30 kg per sq meter
-0.5
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: - 0.5
• maximum score: 5
Score
Percent Receiving Platelet Transfusion
-0.5
20%
0
21-22%
0.5
26-27%
1
34%
1.5
42%
2
55%
2.5
66%
3
75%
3.5
82%
4
88%
Performance:
• The area under the ROC curve is 0.67
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