Key result
Intraaortic balloon pumping reversed cardiogenic shock in 80% of treated patients with acute myocardial infarction, but only 13% were long-term survivors.
Why the study?
Does intraaortic balloon pumping improve survival and clinical outcomes in patients with cardiogenic shock complicating acute myocardial infarction?
Observational (n=15)
Yes
Does intraaortic balloon pumping improve survival and clinical outcomes in patients with cardiogenic shock complicating acute myocardial infarction?
While IABP successfully reversed cardiogenic shock in 80% of selected AMI patients, long-term survival remained poor at 13%.
Answers are grounded in this paper and cite their sources.
IABP may reverse acute shock in AMI; leaves open survival benefit and does not support practice change.
A 5.1% incidence of cardiogenic shock was found in consecutive series of 680 patients with acute myocardial infarction (AMI) during a five-year period. The hospital mortality was 94%. Shock was treated according to a stepwise policy including assisted circulation with intraaortic balloon pumping (IABP). During the five-year period, only five patients, 14% of the shock patients, had shock for more than three hours (the minimal time for attempting medical therapy and preparing for assisted circulation), were below 75 years of age and without terminal diseases. Together with ten AMI patients in shock referred from or treated in other hospitals, altogether 15 patients were given IABP during 1--318 hours (mean 58). Shock was reversed in 12 (80%) of these patients and five (33%) could be weaned off IABP and discharged from the CCU. However, only two patients (13%) were long-term survivors.
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Forssell et al. (1979) conducted an observational in Cardiogenic shock complicating acute myocardial infarction (n=15). Intraaortic Balloon Pumping (IABP) was evaluated on Long-term survival. Intraaortic balloon pumping reversed cardiogenic shock in 80% of treated patients with acute myocardial infarction, but only 13% were long-term survivors.
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