Key result
The index of microcirculatory resistance (IMR) was a significant independent predictor of myocardial viability after primary percutaneous coronary intervention for acute myocardial infarction (OR 0.884).
Why the study?
Does the index of microcirculatory resistance (IMR) predict myocardial viability assessed by FDG-PET after primary PCI in patients with acute myocardial infarction?
Observational (n=24)
No
Does the index of microcirculatory resistance (IMR) predict myocardial viability assessed by FDG-PET after primary PCI in patients with acute myocardial infarction?
The Index of Microcirculatory Resistance (IMR) measured immediately after primary PCI is a highly accurate invasive predictor of myocardial viability in patients with acute myocardial infarction.
IMR may aid viability assessment after primary PCI in AMI; leaves open whether routine use improves outcomes.
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Lim et al. (2007) conducted an observational in Acute Myocardial Infarction (n=24). Index of Microcirculatory Resistance (IMR) vs. FDG-PET imaging was evaluated on Myocardial viability defined by ≥50% FDG-PET threshold value (OR 0.884, p=0.021). The index of microcirculatory resistance (IMR) was a significant independent predictor of myocardial viability after primary percutaneous coronary intervention for acute myocardial infarction (OR 0.884).
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