Response by Davierwala and Leontyev to Letter Regarding Article, “Temporal Trends in Predictors of Early and Late Mortality after Emergency Coronary Artery Bypass Grafting for Cardiogenic Shock Complicating Acute Myocardial Infarction”
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We thank Kalavrouziotis et al for showing interest in our study.1 The unequivocal survival benefit of early revascularization in patients developing cardiogenic shock after acute myocardial infarction was demonstrated by the SHOCK trial (Should We Emergently Revascularize Occluded Coronaries for Cardiogenic Shock).2 The lack of difference in 30-day mortality was partly because of substantial crossover of patients from conservative to revascularization therapy. Moreover, early and 1-year survival was similar between coronary artery bypass grafting (CABG) and percutaneous coronary intervention in the SHOCK trial, whereas in-hospital mortality was lower in CABG patients in the SHOCK registry, despite having a significantly higher prevalence of risk factors and severity …