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Acta Cardiol. 2011 Dec;66(6):691-9.

Cardiogenic shock complicating acute myocardial infarction--a review.

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Department of Cardiology, College of Medical Sciences & Teaching Hospital, Bharatpur, Nepal.


Cardiogenic shock is characterized by inadequate tissue perfusion due to cardiac dysfunction and is the leading cause of death in patients hospitalized with acute myocardial infarction. Mortality from cardiogenic shock still remains high. The development of cardiogenic shock is rarely unexpected; most patients who develop cardiogenic shock do so within 48 hrs of admission, with only 10% shocked on arrival. Mortality rate is exceedingly high and reaches 70-80% in those treated conservatively. Early revascularization is the cornerstone treatment of acute myocardial infarction complicated by cardiogenic shock. According to the guidelines, revascularization is effective up to 36 hours after the onset of cardiogenic shock and performed within 18 hours after the diagnosis of cardiogenic shock. Primary percutaneous coronary intervention is the most efficient therapy to restore coronary flow in the infarct-related artery. However, invasive strategy in a developing country like ours is not only costly but also technically demanding. We present a case of acute myocardial infarction complicated with cardiogenic shock that underwent primary percutaneous coronary intervention and also review the incidence, pathophysiology, management and outcome of cardiogenic shock complicating acute myocardial infarction.

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