Abstract
Dear Editor, In a recent study in the Journal , Steuer and colleagues1 report that elevated biochemical markers after on-pump CABG correspond to the amount of peri-operatively infarcted myocardium as measured by delayed-enhancement cardiac MRI (DE-MRI). They found that 18 out of 23 (78%) patients studied demonstrated delayed hyper-enhancement (HE) on MRI, with a median mass of 4.4 g. While we applaud the use of state of the art imaging techniques to address fundamental questions regarding the pathophysiology of peri-operative myocardial injury, this study suffers from a number of …
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