Journal List > J Cardiovasc Ultrasound > v.17(2) > 1018131

Kim, Ko, Yoon, Lim, Cho, Kim, Lee, and Park: A Case of Coronary Arteriovenous Fistula Associated with Giant Coronary Artery Aneurysm

Abstract

Coronary arteriovenous fistula is a more prevalent, hemodynamically significant congenital malformation. Both coronary arteries arise normally from their aortic sinuses, but the branches of fistula communicate directly with cardiac chamber, pulmonary trunk, coronary sinus, superior vena cava, or pulmonary vein. Fistula associated with coronary aneurysm is an uncommon finding. We report a rare case of 76-year-old female patient who had a coronary arteriovenous fistula with giant coronary artery aneurysm. This case is clearly diagnosed by echocardiography, three-dimensional computed tomography (3D-CT), and coronary angiography (CAG).

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Fig. 1.
A: Echocardiogram in parasternal short axis view show extrinsic cardiac compression in left ventricle side due to multiple fusiform aneurysms (maximal diameter of largest one: about 6.7 cm). B: Modified apical 2 chamber view showed a fistula from aneurismal sac to main pulmonary artery. C: Parasternal short axis window in aortic valve level revealed a arteriovenous fistula from coronary artery to main pulmonary trunk. D: Apical 4 chamber view showed mild regurgitation of tricuspid valve. Sac: aneurysmal sac, LV: left ventricle, AoV: aortic valve, MPA: main pulmonary artery, AV: arteriovenous, LA: left atrium, RV: right ventricle, RA: right atrium.
jcu-2009-17-2-70f1.tif
Fig. 2.
A 64-detector row cardiac computed tomography with 3D reconstruction showed several small tortous anonymous vessels from proximal right coronary artery (A) and enlarged tortous anonymous vessel from left main coronary artery along course of left circulflex artery (B). Arrow indicates RCA and LCX. Sac: aneurysmal sac, RCA: right coronary artery, LCX: left circumflex artery.
jcu-2009-17-2-70f2.tif
Fig. 3.
Coronary angiographic finding revealed left main coronary was dilated and communicated to aneurismal sac (A and B). And left anterior descending artery (LAD) was not visible. Small tortous anonymous vessel from proximal right coronary artery was drained to aneurysmal sac through a fistula formation (C).
jcu-2009-17-2-70f3.tif
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