Key result
Non-contrast T1 mapping detected acute myocardial infarction with a sensitivity of 86.5% and specificity of 90.3% compared to delayed contrast-enhanced MRI.
Why the study?
Does non-contrast T1 mapping accurately detect acute myocardial infarction compared to delayed contrast-enhanced MRI in patients with revascularized STEMI?
Cross-Sectional (n=40)
Yes
Does non-contrast T1 mapping accurately detect acute myocardial infarction compared to delayed contrast-enhanced MRI in patients with revascularized STEMI?
Native T1 mapping detects acute STEMI with high sensitivity and specificity compared to delayed contrast-enhanced MRI, offering a contrast-free alternative for patients with contraindications.
May support contrast-free AMI detection where gadolinium is contraindicated; leaves open prospective validation before clinical adoption.
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Shalaginova et al. (2022) conducted a cross-sectional in Acute ST-elevation myocardial infarction (n=40). Non-contrast heart MRI (T1 mapping) vs. Magnetic resonance imaging with delayed contrast enhancement was evaluated on Detection of acute myocardial infarction (AUC 0.826, 95% CI 0.785-0.867, p=<0.0001). Non-contrast T1 mapping detected acute myocardial infarction with a sensitivity of 86.5% and specificity of 90.3% compared to delayed contrast-enhanced MRI.
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