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Surgical strategy for coronary artery aneurysms


Coronary artery aneurysms (CAA) are relatively rare diseases caused by kinds of backgrounds such as atherosclerosis and connective tissue disorders, and the surgical strategy of them is still controversial. We have performed aneurysmectomy when the diameter is more than 10mm or CABG when the stenosis exists around the CAA. In this study, we evaluated our result of the strategy.


Between 2002 and 2012, 10 patients (7 male, 68.7±13.0 yr) with CAA (6 LMT, 3 LAD, 1 RCA) had cardiac operations in our hospital. The mean size of the CAA was 20.2 (7 to 51mm). 7 CAA were saccular aneurysms, 2 were due to BWG syndrome and post PCI complication, respectively.


6 patients with more than 10mm CAA received aneurysmectomy and 6 patients with stenosis received CABG to the distal artery of CAA. Other concomitant procedures included MVP and AVR. The operative complications included 2 branch artery occlusions, but 1 was protected by CABG. There were no hospital death, and no CAA related event in 2.4±2.5 follow-up. In the postoperative CAG, there were no residual aneurysms after aneurysmectomy.


Our surgical strategy for CAA was feasible. We need to pay attention to the branch occlusion in case of aneurysmectomy.

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Correspondence to M Hibino.

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This article is published under license to BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Hibino, M., Tajima, K., Uchida, K. et al. Surgical strategy for coronary artery aneurysms. J Cardiothorac Surg 8 (Suppl 1), O180 (2013).

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