Cardiac magnetic resonance (CMR) reclassifies the majority of patients with suspected MINOCA and non MINOCA
Authors' conclusion
In a large single-centre cohort of patients presenting with ACS and unobstructed coronary arteries, most patients had a non-MINOCA diagnosis (73%) (myocarditis, Takotsubo, cardiomyopathies, or normal CMR/non-specific findings), whilst only a minority had confirmed MINOCA (27%).
Study context
- Population
- Patients referred for CMR for suspected MINOCA (acute coronary syndromes (ACS) with unobstructed coronary arteries)
- Participants
- 888 patients
- Outcome
- Proportion of patients reclassified by CMR to an alternative diagnosis
Methodological detailssingle-centre, tertiary cardiology centre, registry-based
- Single-centre
- Tertiary cardiology centre
- Registry-based
Main finding
As reported in the abstract
Diagnosis reclassified by CMR
- CMR reclassified diagnosis
- 78%
- MINOCA confirmed
- 243 (27%)
- Alternative diagnosis
- 73%
- Myocarditis
- 217 (24%)
- Takotsubo syndrome
- 115 (13%)
- Cardiomyopathies
- 97 (11%)
- Normal CMR/non-specific
- 216 (24%)
Observational data: associations, not effects.
Original publication
CMR reclassifies the majority of patients with suspected MINOCA and non MINOCA. Eur Heart J Cardiovasc Imaging. Published 1 August 2023. doi:10.
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