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Published on: April 15, 2021
Coronary artery aneurysm: a review
Payam S Pahlavan1, Feraydoon Niroomand
1Department of Internal Medicine, University of Heidelberg, Heidelberg, Germany. P.Samareh_Pahlavan@med.uni-heidelberg.de
Insights
Coronary artery ectasia (CAE) affects 0.3-5% of patients, often caused by atherosclerosis or Kawasaki disease. Prognosis is favorable with risk factor control and antiplatelet therapy, though rare complications can occur.
Area of Science:
- Cardiology
- Vascular Medicine
Background:
- Coronary artery ectasia (CAE) is a dilation of coronary arteries, affecting 0.3-5% of individuals undergoing angiography.
- Atherosclerosis is the primary cause, with Kawasaki disease and infectious emboli as other significant etiologies.
- The underlying pathogenesis involves an inflammatory process, though not fully elucidated.
Purpose of the Study:
- To summarize the current understanding of coronary artery ectasia.
- To outline diagnostic methods, potential complications, and management strategies for CAE.
- To emphasize the importance of risk factor modification in managing CAE.
Main Methods:
- Review of existing literature and clinical data on coronary artery ectasia.
- Analysis of diagnostic modalities, primarily coronary angiography.
- Evaluation of treatment approaches and prognostic factors.
Main Results:
- CAE prevalence ranges from 0.3% to 5% in patients undergoing coronary angiography.
- Myocardial ischemia is the most common presenting symptom.
- Prognosis is generally favorable, particularly with effective management of coronary heart disease risk factors.
Conclusions:
- Coronary artery ectasia requires careful management, including antithrombotic therapy and risk factor control.
- Thromboembolic events and spontaneous rupture are rare but serious complications.
- Aggressive management of cardiovascular risk factors significantly improves outcomes for patients with CAE.
Abstract:
Coronary artery ectasia (CAE) is found in 0.3-5% of patients undergoing coronary angiography. Atherosclerosis is the main cause, followed by Kawasaki disease and infectious emboli. The exact pathogenesis has not been diagnosed as yet, but an inflammatory process is underlying. Symptoms, if present, are usually related to myocardial ischemia. Angiography is the mainstay for diagnosis. The prognosis is generally favorable. Thromboembolic complications are rare with antiplatelet therapy, and spontaneous rupture generally is rare but occurs more commonly in Kawasaki disease. Management varies from antithrombotic therapy to surgical ligation. Controlling coronary heart disease risk factors sharply affects the prognosis in patients with CAE.
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