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Prognosis among survivors of prehospital cardiac arrest
J Herlitz1, L Ekström, B Wennerblom
1Division of Cardiology, Sahlgrenska University Hospital Göteborg, Sweden.
Study Objective:
To describe the prognosis in consecutive patients discharged from hospital after prehospital cardiac arrest.
Patients:
All patients in the community of Göteborg who were discharged from hospital after out-of-hospital cardiac arrest between 1981 and 1991.
Results:
Two hundred forty-three patients were discharged from hospital during the observation period, of whom 80% initially experienced ventricular fibrillation. Among patients discharged, 21% died during the first year; after 10 years, 82% had died. Age, sex, previous history of cardiovascular disease, circumstances at the time of cardiac arrest, complications during hospitalization, and discharge medications were assessed as predictors of 1-year mortality. Independent predictors of death during follow-up were history of myocardial infarction (P < .001), no prescription of beta-blockers at discharge (P < .01), age (P < .05), and cerebral performance category (CPC) at discharge (P < .05).
Conclusion:
Among patients who survived out-of-hospital cardiac arrest, one of five died during the first year and one of five survived 10 years after discharge. Prognosis was associated with a history of myocardial infarction, prescription of beta-blockers at discharge, age, and CPC at discharge.