Abstract
All admissions for acute myocardial infarction to a metropolitan general hospital over a 10-year period have been reviewed. One hundred and forty patients developed complications meeting the criteria for cardiogenic shock. The mortality rate in this group of patients was 83%. The mortality rate in 95 patients who received treatment with intravenous noradrenaline was no different from that in 45 patients who did not receive this type of therapy (p = >0.8). Patients dying from cardiogenic shock were younger than those dying of other complications. Autopsy study of this group of shocked patients revealed a significantly lower incidence of previous healed myocardial infarction (p = <0.01).
A decline in the annual incidence of cardiogenic shock was noted over the decade surveyed. It is suggested that this may be due to the earlier and more frequent use of intravenous noradrenaline. Despite the reduction in the incidence of shock, the annual mortality rate from myocardial infarction has remained unaltered.
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Selected References
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