Key result
Cardiac magnetic resonance imaging can identify the underlying etiology in 30% to 90% of patients presenting with myocardial infarction with non-obstructive coronary arteries, especially when performed within two weeks of presentation.
Why the study?
There is no general consensus on the investigation and management of patients presenting with acute chest pain, elevated cardiac troponin levels, and non-obstructive coronary arteries on angiography.
Does cardiac magnetic resonance imaging improve diagnosis and management in patients with troponin-positive chest pain and non-obstructive coronary arteries?
Does cardiac magnetic resonance imaging improve diagnosis and management in patients with troponin-positive chest pain and non-obstructive coronary arteries?
Answers are grounded in this paper and cite their sources.
CMR imaging is a crucial diagnostic tool for patients with MINOCA, capable of identifying underlying etiologies like myocarditis, takotsubo cardiomyopathy, and acute myocardial infarction, especially when performed within 2 weeks of presentation.
There is no general consensus on the investigation and subsequent management of patients presenting with acute chest pain and elevated cardiac troponin levels, but with non-obstructive coronary arteries on angiography. Recent technological advances in cardiac magnetic resonance imaging have aided in the understanding of the underlying pathophysiology, allowing accurate diagnosis, prognostic information, and guidance for management in these patients. This article reviews the evidence supporting the usefulness of cardiac magnetic resonance imaging in patients with acute chest pain and elevated cardiac troponin levels, but with non-obstructive coronary arteries, and offers insights into the role and future
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Lee et al. (2021) conducted a review in Myocardial infarction with non-obstructive coronary arteries (MINOCA). Cardiac magnetic resonance imaging was evaluated. Cardiac magnetic resonance imaging can identify the underlying etiology in 30% to 90% of patients presenting with myocardial infarction with non-obstructive coronary arteries, especially when performed within two weeks of presentation.
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