Strain analysis is superior to wall thickening in discriminating between infarcted myocardium with and without microvascular obstruction
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Why the study?
Is strain analysis superior to wall thickening in discriminating between infarcted myocardium with and without microvascular obstruction in patients with treated STEMI?
Population
71 patients with a successfully treated ST-segment elevation myocardial infarction
Comparison
Strain analysis vs Wall thickening analysis
Design
Cross-sectional
Follow-up
2-6 days after reperfusion
Authors
Discussion
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Implication
Peak circumferential strain may aid post-STEMI MVO differentiation on CMR; hypothesis-generating and requires prospective validation before clinical adoption.
Structured PICO
Is strain analysis superior to wall thickening in discriminating between infarcted myocardium with and without microvascular obstruction in patients with treated STEMI?
P
Population
71 patients with a successfully treated ST-segment elevation myocardial infarction
I
Intervention
Strain analysis (regional circumferential and radial strain and associated strain rates via myocardial tissue tagging)
C
Comparator
Wall thickening analysis (absolute and relative wall thickening via conventional cine imaging)
O
Outcome
Diagnostic performance in discriminating between non-infarcted myocardium, infarcted myocardium without microvascular obstruction (MVO), and infarcted myocardium with MVOsurrogate
Peak circumferential strain analysis by CMR is superior to wall thickening for differentiating degrees of myocardial injury, including microvascular obstruction, after acute STEMI.
Cite This Study
Everaars et al. (2018) studied this question.
Topics
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