Seeger et al identified factors associated with a poor outcome for a patient with spontaneous circulation following cardiopulmonary resuscitation. The authors are from Universitatsklinikum Frankfurt am Main in Germany.
Patient selection: spontaneous circulation after cardiopulmonary arrest
Poor outcome: death in the 30 days after the arrest or severe hypoxic cerebral damage
Predictors associated with a poor prognosis:
(1) blood lactate on admission
(2) arterial blood pH
(3) age in years
Parameter
Finding
Points
blood lactate
<= 6.94 mmol/L
0
> 6.94 mmol/L (62.5 mg/dL)
1
arterial blood pH
>= 7.21
0
< 7.21
1
age in years
< 65 years of age
0
>= 65 years of age
1
total score =
= SUM(points for all 3 parameters)
Interpretation:
• minimum score: 0
• maximum score: 3
• A score of 3 was 100% sensitive but 50% specific for a poor outcome.
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