Why the study?
Does intraaortic balloon counterpulsation combined with coronary artery bypass grafting reduce mortality compared to counterpulsation alone in patients with cardiogenic shock secondary to acute myocardial infarction?
Population
40 patients with cardiogenic shock secondary to acute myocardial infarction.
Comparison
Intraaortic balloon counterpulsation and… vs Intraaortic balloon counterpulsation alone.
Design
Cohort
Follow-up
long-term
Key result
Early reperfusion with counterpulsation within 16 hours of symptom onset significantly reduced long-term mortality compared to counterpulsation alone (25.0% vs 71.4%, p<0.03).
Authors
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Early IABP plus CABG was associated with lower long-term mortality in MI shock; leaves open need for randomized confirmation before practice change.
Cohort (n=40)
Does intraaortic balloon counterpulsation combined with coronary artery bypass grafting reduce mortality compared to counterpulsation alone in patients with cardiogenic shock secondary to acute myocardial infarction?
Absolute Event Rate: 42.1% vs 52.4%
Early reperfusion with CABG combined with IABP significantly improves long-term survival in patients with cardiogenic shock complicating acute MI compared to IABP alone.
DeWood et al. (1980) conducted a cohort in cardiogenic shock secondary to acute myocardial infarction (n=40). Intraaortic balloon counterpulsation and coronary artery bypass grafting vs. Intraaortic balloon counterpulsation alone was evaluated on in-hospital mortality. Early reperfusion with counterpulsation within 16 hours of symptom onset significantly reduced long-term mortality compared to counterpulsation alone (25.0% vs 71.4%, p<0.03).