Formal assessment of myocardial viability (MV) is challenging in acute myocardial infarction-related cardiogenic shock (AMI-CS) patients receiving Impella mechanical circulatory support, as the cardiac magnetic resonance gold standard technique is not feasible due to the metallic components of the device. 18-fluorodesoxyglucose metabolic myocardial positron emission tomography (FDG-PET) may represent a valid and feasible alternative to obtain semi-quantitative and objective evidence of MV during Impella support. We hereby report the first series of sequential AMI-CS patients who received FDG-PET scanning to assess MV during Impella support to demonstrate the safety and feasibility of this approach.
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