Key result
Peak systolic longitudinal strain measured by 2D-STE strongly correlated with global infarct mass assessed by CE MRI (r=0.84, P<0.001) in patients 9 months after a first myocardial infarction.
Why the study?
Does global longitudinal strain measured by 2D-STE accurately identify myocardial infarct size compared to CE MRI in patients with chronic ischemic heart disease?
Population
38 patients evaluated 9 months after a first myocardial infarction
Comparison
Two-dimensional speckle tracking… vs Contrast-enhanced magnetic resonance imaging to…
Design
Cross-sectional
Authors
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GLS by 2D-STE should not replace CE MRI for infarct assessment yet; leaves open its utility as a surrogate in chronic ischemic disease.
Cross-Sectional (n=38)
Does global longitudinal strain measured by 2D-STE accurately identify myocardial infarct size compared to CE MRI in patients with chronic ischemic heart disease?
Effect estimate: r=0.84
p-value: p=<0.001
Global longitudinal strain measured by 2D-STE is an excellent surrogate for predicting myocardial infarct size in chronic ischemic heart disease, correlating strongly with CE MRI.
Gjesdal et al. (2007) conducted a cross-sectional in Chronic ischaemic heart disease (n=38). Two-dimensional speckle tracking echocardiography (2D-STE) vs. Contrast-enhanced magnetic resonance imaging (CE MRI) was evaluated on Correlation between peak systolic longitudinal strain and infarct mass at the global level (r=0.84, p=<0.001). Peak systolic longitudinal strain measured by 2D-STE strongly correlated with global infarct mass assessed by CE MRI (r=0.84, P<0.001) in patients 9 months after a first myocardial infarction.
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