Cardiac rupture in acute myocardial infarction: a cardiac magnetic resonance study
Authors' conclusion
CMR is a safe and useful imaging tool to achieve the definite diagnosis of CR and an accurate visualization of tissue abnormalities associated with CR.
Study context
- Population
- Consecutive patients with acute MI complicated by cardiac rupture who underwent cardiac magnetic resonance (CMR)19 cardiac rupture (CR) patients
- Comparison
- Acute myocardial infarction (AMI) with CR vs AMI without CR
- CRn = 19
- Outcome
- CMR findings associated with CR
Main finding
As reported in the abstract
- Microvascular obstruction strongly associated with CR
- P = 0.001
- Pericardial enhancement strongly associated with CR
- P < 0.001
- Intramyocardial haemorrhage more frequent in CMR-confirmed CR vs controls
- P = 0.003
- Lower 2D global radial and circumferential strain in CR vs controls
- P < 0.001
- Lower 3D global radial and circumferential strain in CR vs controls
- P = 0.001
- Lower 3D global longitudinal strain in CR vs controls
- P < 0.001
- Higher 2D circumferential wall stress index (WSI) in CR vs controls
- P = 0.010
- Higher 2D circumferential WSI ratio in CR vs controls
- P < 0.001
- Higher 3D circumferential WSI ratio in CR vs controls
- P = 0.042
- Higher 2D radial WSI ratio in CR vs controls
- P < 0.001
- Higher 3D radial WSI ratio in CR vs controls
- P: 0.007
Observational data: associations, not effects.
Original publication
Cardiac rupture in acute myocardial infarction: a cardiac magnetic resonance study. Eur Heart J Cardiovasc Imaging. Published 18 May 2023. doi:10.
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