Score of Wongthida et al for Life-Threatening Arrhythmias Associated with ST-Elevation Acute Coronary Syndrome After Percutaneous Coronary Intervention (PCI)
Wongthida et al report a score for predicting life-threatening arrhythmias associated with ST-elevation acute coronary syndrome (ACS) after a percutaneous coronary intervention (PCI). This can help to identify a patient at increased risk for adverse effects. The authors are from multiple institutions in Thailand.
Patient selection: Acute Coronary Syndrome (ACS) with ST-elevation after PCI
Outcome: life-threatening cardiac arrhythmia
Parameters:
(1) sex
(2) hemoglobin in g/dL
(3) respiratory failure before or during the PCI
(4) pulseless cardiac arrest before or during the PCI
(5) intervention time in minutes
(6) intra-aortic balloon pump (IABP) insertion
(7) oxygen saturation at CCU in percent
Parameter
Finding
Points
sex
male
0
female
1
hemoglobin
>= 12 g/dL
0
< 12 g/dL
1.5
respiratory failure
no
0
yes
1
pulseless cardiac arrest
no
0
yes
1.5
intervention time
<= 60 minutes
0
> 60 minutes
1
IABP insertion
no
0
yes
2
oxygen saturation
>= 94%
0
< 94%
2
total score =
= SUM(points for all of the parameters)
Interpretation:
• minimum score: 0
• maximum score: 10
Total Score
Risk Group
Arrhythmia within 72 Hours
0 to 2
low
0%
2.5 to 4
moderate
26%
> 4
high
74%
Performance:
• The area under the ROC curve was 0.93.
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