Internal thoracic artery patch repair of a saccular left main coronary artery aneurysm

Journal of Cardiothoracic Surgery
Tomohiro IwakuraNoriko Asakawa

Abstract

A saccular aneurysm located at the bifurcation of the left main coronary artery (LMCA) is an extremely rare condition. A major cause of left main coronary aneurysm is atherosclerosis, and common complications include thrombosis, embolism, and rupture. Despite the serious nature of this condition, the ideal operative approach to LMCA aneurysm (LMCAA) has not been established. Furthermore, little is known about resection of the saccular aneurysm and closure using a small internal thoracic artery patch. Here, we present the case of a 66-year-old woman who had significant stenosis in the left anterior descending artery and a saccular aneurysm at the bifurcation of the LMCAA, which was repaired using a small internal thoracic artery patch during coronary artery bypass grafting. Postoperative multislice computed tomography revealed the complete disappearance of the aneurysm and a successful repair with no luminal stenosis of the internal thoracic artery patch. In addition, the left internal thoracic artery graft was found to be patent. Resection of the saccular LMCA aneurysm and closure using a small internal thoracic artery patch is safe and offer excellent results.

References

May 15, 1991·The American Journal of Cardiology·O TopazG W Vetrovec
Nov 18, 2000·The Annals of Thoracic Surgery·M S FirstenbergJ D Thomas
Dec 24, 2003·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Michael MalyshevNatalie Rostovykh
Jul 28, 2004·The Annals of Thoracic Surgery·Thomas M T HwongAnthony P C Yim
Mar 28, 2006·The Annals of Thoracic Surgery·Anders JönssonJan Liska

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Citations

Jan 15, 2020·Journal of Cardiothoracic Surgery·Peng TengYiming Ni

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Methods Mentioned

BETA
surgical resection
coronary artery

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