Annals of Thoracic and Cardiovascular Surgery
Online ISSN : 2186-1005
Print ISSN : 1341-1098
ISSN-L : 1341-1098
A Case of Acute Type A Aortic Dissection after Coronary Artery Bypass Grafting
Hirotoshi SuzukiShota KitaMasahide KomagamineDaijun TomimotoKiyoshi ChibaKan NawataTakeshi Miyairi
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JOURNAL OPEN ACCESS Advance online publication

Article ID: cr.21-00193


The patient was a 69-year-old man who underwent emergency surgery for acute aortic dissection that developed 5 months after coronary artery bypass grafting. The left internal thoracic artery (LITA) graft anastomosed to the left descending artery was not affected by the aortic dissection, and during the ascending aortic replacement, the artery was not identified for clamping. Although fully sufficient cardioplegia was not achieved due to the patent LITA graft, the patient’s postoperative cardiac function was good. The two anastomotic sites of the vein grafts to the ascending aorta were excised along with a remnant of the aortic wall in an island fashion and were reimplanted onto the artificial graft. Based on the site of intimal tear, we speculated that partial clamping during the previous surgery had caused the dissection.

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