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Case Reports
. 2017 Apr 20;23(2):104-107.
doi: 10.5761/atcs.cr.16-00064. Epub 2016 Jul 14.

Three Year Follow-Up of a Vein Patch Repair for a Coronary Artery Saccular Aneurysm of the Left Main Bifurcation

Yasuhiro Kawase  1 , Yosuke Ishii  1 , Takahide Yoshio  1 , Dai Nishina  2 , Ryuzo Bessho  2 , Takashi Nitta  1
Affiliations
Case Reports

Three Year Follow-Up of a Vein Patch Repair for a Coronary Artery Saccular Aneurysm of the Left Main Bifurcation

Yasuhiro Kawase et al. Ann Thorac Cardiovasc Surg. .

Abstract

This report describes a case of surgical treatment for a coronary artery saccular aneurysm of the left main bifurcation. A coronary artery saccular aneurysm (7 mm × 10 mm) and three vessel disease, including the left main trunk, were diagnosed by coronary angiography. A surgical resection and saphenous vein patch repair of the left main coronary artery aneurysm was performed concomitantly with coronary artery bypass grafting. The pathological findings of the aneurysm clarified that the aneurysm wall was atrophic and extremely thin because of a collapsed trilaminar arterial structure due to atherosclerosis. A coronary computed tomographic scan revealed no aneurysmal formation in the patent left main trunk and patent grafts 3 years after surgery.

Keywords: coronary artery aneurysm; coronary artery bypass grafting; left main trunk; vein patch repair.

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Figures

Fig. 1
Fig. 1
Angiogram of the left coronary artery. A coronary artery aneurysm (arrow) is located at the bifurcation of the left main trunk.
Fig. 2
Fig. 2
Aneurysm of the left main trunk (arrow). The aneurysm is located at the left main bifurcation under the left atrial appendage. LAA: left atrial appendage; PA: pulmonary artery; LMT: left main trunk; LAD: left anterior descending artery
Fig. 3
Fig. 3
Coronary CT scan findings of the vein patch repair of the left main trunk (arrow) (A) and patent grafts (B) 3 years after the surgery. There was no pseudoaneurysm associated with the patch repair. CT: computed tomographic; LAD: left anterior descending artery; LMT: left main trunk
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