Why the study?
Does incomplete ST-segment resolution indicate severe microcirculatory dysfunction and larger infarct size in patients with AMI after successful primary angioplasty?
Population
50 patients with acute myocardial infarction within 12 hours of symptom onset who underwent successful…
Comparison
Incomplete ST-segment resolution 60 minutes… vs Complete (≥50%) ST-segment resolution (STR)
Design
Cohort
Follow-up
3 months
Authors
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STR <50% flags higher-risk AMI patients with microvascular impairment post-PCI; supports further study but should not yet change practice.
Does incomplete ST-segment resolution indicate severe microcirculatory dysfunction and larger infarct size in patients with AMI after successful primary angioplasty?
Incomplete ST-segment resolution after successful primary angioplasty for AMI is a marker of transient microcirculatory dysfunction and is associated with more extensive myocardial damage.
Feldman et al. (2003) studied this question.
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