Abstract
Recent technological advances have made imaging the mouse heart possible using both 18F-fluorodeoxyglucose (FDG) positron emission tomography (PET) and magnetic resonance imaging (MRI),1–4 thus facilitating the investigation of mechanisms underlying the progression toward heart failure after myocardial infarction (MI). These imaging modalities provide complementary information regarding cellular metabolism and infarct location, respectively. To demonstrate this, we used FDG PET and MRI in a serial study of male C57Bl/6 mice that were subjected to a 1-hour coronary occlusion and then 30 days of reperfusion. Imaging was performed 1, 7, and 28 days after coronary occlusion. Gd-enhanced ECG-gated cardiac MRI was performed using a 4.7-T MRI scanner (Varian, Inc, …
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