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ANOMALIES

Coronary Arteriovenous Fistula: A Rare Coronary Anomaly

Pradnya Brijmohan Bhattad, MD1; Nitish Kumar Sharma, MD2; Mark Kranis, DO1

 

1Department of Cardiovascular Medicine; 2Department of Interventional Cardiology
Saint Vincent Hospital, UMass Chan Medical School, Worcester, Massachusetts

 

Disclosure: The authors report no conflicts of interest regarding the content herein.

12/05/2023
© 2024 HMP Global. All Rights Reserved.
Any views and opinions expressed are those of the author(s) and/or participants and do not necessarily reflect the views, policy, or position of Cath Lab Digest or HMP Global, their employees, and affiliates. 

Coronary angiogram (Video 1, below) showing a coronary arteriovenous fistula (CAVF) arising from the right marginal artery, draining into coronary sinus, and ultimately draining into a great cardiac vein.

CAVFs are rare congenital anomalies and commonly encountered as an incidental finding on coronary angiography or noninvasive imaging. CAVFs that originate from the middle or proximal right coronary artery to a venous structure may enlarge if left untreated.

 

 

Reference

Al-Hijji M, El Sabbagh A, El Hajj S, et al. Coronary artery fistulas: indications, techniques, outcomes, and complications of transcatheter fistula closure. JACC Cardiovasc Interv. 2021 Jul 12; 14(13): 1393-1406. doi:10.1016/j.jcin.2021.02.044

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