Multidetector computed tomography accurately defines infarct size, but not microvascular obstruction after myocardial infarction.

To the Editor Early percutaneous coronary intervention (PCI) and reperfusion of obstructed epicardial arteries have improved patient survival after myocardial infarction (MI), but downstream, microvascular obstruction (MVO) remains a significant negative predictor after acute infarct PCI ([1][1]).