期刊
JOURNAL OF THE AMERICAN HEART ASSOCIATION
卷 11, 期 1, 页码 -出版社
WILEY
DOI: 10.1161/JAHA.121.022787
关键词
angiography; computerized tomography; magnetic resonance imaging; myocardial infarction; optical coherence tomography
资金
- Blumenthal Scholarship in Preventive Cardiology
Myocardial infarction with nonobstructive coronary arteries (MINOCA) is a complex disease requiring multiple imaging techniques for diagnosis. Cardiac magnetic resonance can exclude nonischemic causes and invasive coronary imaging can evaluate plaque formation and the presence of disruption or dissection. The application of noninvasive imaging techniques is also being studied.
Myocardial infarction with nonobstructive coronary arteries (MINOCA) is a heterogeneous clinical entity, encompassing multiple different causes, and a cause of substantial morbidity and mortality. Current guidelines suggest a multimodality imaging approach in establishing the underlying cause for MINOCA, which is considered a working diagnosis. Recent studies have suggested that an initial workup consisting of cardiac magnetic resonance and invasive coronary imaging can yield the diagnosis in most patients. Cardiac magnetic resonance is particularly helpful in excluding nonischemic causes that can mimic MINOCA including myocarditis and Takotsubo cardiomyopathy, as well as for long-term prognostication. Additionally, intracoronary imaging with intravascular ultrasound or optical coherence tomography may be warranted to evaluate plaque composition, or evaluate for plaque disruption or spontaneous coronary dissection. The role of noninvasive imaging modalities such as coronary computed tomography angiography is currently being investigated in the diagnostic approach and follow-up of MINOCA and may be appropriate in lieu of invasive coronary angiography in select patients. In recent years, many strides have been made in the workup of MINOCA; however, significant knowledge gaps remain in the field, particularly in terms of treatment strategies. In this review, we summarize recent society guideline recommendations and consensus statements on the initial evaluation of MINOCA, review contemporary multimodality imaging approaches, and discuss treatment strategies including an ongoing clinical trial.
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