Key result
16-detector row CT correlated well with MR imaging for assessing left ventricular ejection fraction (46.1% vs 46.8%, r = 0.97), but showed significant differences for some functional parameters.
Why the study?
Does 16-detector row CT accurately assess LV function and regional wall motion compared to MR imaging in a pig model of acute myocardial infarction?
Population
15 pigs with acute myocardial infarction induced by balloon occlusion of the left anterior descending…
Comparison
Retrospective electrocardiographically gated… vs Magnetic resonance (MR) imaging
Design
Preclinical
Authors
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CT viable for LVEF in porcine MI models; leaves open validation for other parameters and clinical translation.
Does 16-detector row CT accurately assess LV function and regional wall motion compared to MR imaging in a pig model of acute myocardial infarction?
Effect estimate: r = 0.97
Absolute Event Rate: 46.1% vs 46.8%
16-detector row CT allows reliable assessment of LV volumes and regional wall motion at rest compared to MRI, but is not suited for all functional parameters like peak ejection rate.
Mahnken et al. (2005) studied Acute myocardial infarction (n=15). 16-detector row computed tomography (CT) vs. Magnetic resonance (MR) imaging was evaluated on Left ventricular ejection fraction (r = 0.97). 16-detector row CT correlated well with MR imaging for assessing left ventricular ejection fraction (46.1% vs 46.8%, r = 0.97), but showed significant differences for some functional parameters.
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