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Coronary Arteries Aneurysms: A Case-Based Literature Review

Journal

DIAGNOSTICS
Volume 12, Issue 10, Pages -

Publisher

MDPI
DOI: 10.3390/diagnostics12102534

Keywords

coronary artery aneurysm; giant coronary artery aneurysm; percutaneous coronary intervention; cardiac surgery

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Coronary artery aneurysm (CAA) is an abnormal dilatation of a coronary artery segment, and the definition of giant CAAs is still unclear. The prevalence of coronary aneurysms in the population ranges from 0.3% to 5%, and they are often associated with aneurysms in other sites. The etiology is often atherosclerotic, and CAAs are commonly found in the context of acute coronary syndrome. The management and prognostic relevance of CAAs are still not well understood, and there is a lack of standardized treatment options.
Coronary artery aneurysm (CAA) is an abnormal dilatation of a coronary artery segment; those coronary artery aneurysms that are very large in size are defined as giant. However, a standardized dimension cut-off to define giant CAAs is still missing. The reported prevalence of coronary aneurysms in the population who underwent coronary angiography ranges from 0.3% to 5%, and often CAAs are found in patient with aneurysms in other sites, such as the ascending or abdominal aorta. In half of the cases an atherosclerotic etiology could be recognized; often, CAA is found in the context of acute coronary syndrome. Seldomly, CAA is found at the autopsy of patients who died due to sudden cardiac death. Currently, very few data exist about CAA management and their prognostic relevance; moreover, CAA treatment is still not clearly codified, but rather case-based. Indeed, currently there are no published dedicated studies exploring the best medical therapy, i.e., with antiplatelets or anticoagulant agents rather than an interventional approach such as an endovascular or surgical technique. In this review, through two clinical cases, the current evidence regarding diagnostic tools and treatment options of CAAs will be described.

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