Letter by Kalavrouziotis et al 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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To the Editor:
We read with interest the article by Davierwala et al1 examining early and late survival after coronary artery bypass graft surgery (CABG) in the setting of cardiogenic shock post–acute myocardial infarction (CS-AMI). The improvement in CABG outcomes as reported in this large, single-center experience for CS-AMI is reassuring. The authors hypothesize that improvements in the technical conduct of CABG such as the avoidance of cross-clamping the heart, and increased rates of completeness of revascularization, as well, may explain the improved surgical results in the modern era. Despite a sophisticated analysis in >500 patients, the study design is severely limited by its retrospective nature and …