Key result
MINOCA accounts for 5-6% of myocardial infarctions and requires a systematic multi-modality diagnostic approach to identify the underlying etiology for individualized, cause-specific management.
Why the study?
A systematic approach to diagnosing the underlying causes of MINOCA is warranted to optimally treat presenting patients.
MINOCA is a heterogeneous condition requiring a systematic multi-modality diagnostic approach to identify underlying mechanisms and individualize cause-specific treatment.
Answers are grounded in this paper and cite their sources.
Supports etiology-specific diagnostics for MINOCA in practice; leaves open standardized algorithms pending prospective trials.
Myocardial Infarction in the absence of obstructive coronary artery disease [MINOCA] is seen in 5-6% of the patients presenting with myocardial infarction. While patients with MINOCA can present with either ST segment elevation or non-ST segment elevation myocardial infarction, they are less likely to have ST segment deviation on electrocardiography and have less of cardiac biomarker elevation compared to their obstructive coronary artery disease counterparts. Patients with MINOCA are usually younger and with lower prevalence of traditional cardiovascular risk factors compared with patients presenting with obstructive coronary artery disease. A variety of atherosclerotic and non-atherosclerotic mechanisms can lead to MINOCA. A diagnosis of MINOCA can only be made in patients whose clinical presentation is attributed to an ischemic event after excluding obstructive coronary artery disease and alternate causes for troponin elevation. A systematic approach to diagnosing the underlying causes is warranted to optimally treat patients presenting with MINOCA.
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Kondapaneni et al. (2020) conducted a review in Myocardial infarction in the absence of obstructive coronary artery disease (MINOCA). MINOCA accounts for 5-6% of myocardial infarctions and requires a systematic multi-modality diagnostic approach to identify the underlying etiology for individualized, cause-specific management.
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