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September 1985

Long-term Follow-up After Recovery From Acute Myocardial Infarction: Observations on Survival, Ventricular Arrhythmias, and Sudden Death

Arch Intern Med. 1985;145(9):1592-1595. doi:10.1001/archinte.1985.00360090056009

• A long-term 12-year follow-up of 248 patients surviving acute myocardial infarction indicated a cumulative survival of 89%, 68%, 53%, and 45% for 1,5,10, and 12 years, respectively. When patients were assessed with five routinely obtained clinical factors, significant prognostic stratification of highand low-risk survival groups extended throughout the follow-up period. Sudden cardiac death was found to be twice as frequent as nonsudden cardiac death, but a significant relationship between sudden death and complex ventricular ectopic beats could not be defined. The extent of complex features of ventricular ectopic beats such as pairs, multiform, repetitive, and R-on-T was inversely related to survival. During the first year after acute myocardial infarction, frequency of ventricular ectopic beats was also inversely related to survival. A long-term effect of frequency on survival, however, could not be demonstrated.

(Arch Intern Med 1985;145:1592-1595)