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Revascularization for coronary ostial stenosis in Takayasu's disease with calcified aorta
1Department of Thoracic Surgery, Nagoya University School of Medicine, Japan.
The Annals of Thoracic Surgery
|May 1, 1992
Insights
Coronary artery bypass grafting successfully treated a patient with Takayasu
Area of Science:
- Cardiovascular Surgery
- Immunology
- Vascular Medicine
Background:
- Takayasu's arteritis is a large vessel vasculitis affecting the aorta and its branches.
- Coronary ostial stenosis, often caused by Takayasu's arteritis, presents a surgical challenge.
- Aortic calcification complicates surgical approaches for coronary artery bypass grafting.
Observation:
- A patient with severe coronary ostial stenosis and aortic calcification due to Takayasu's disease underwent surgical treatment.
- Coronary artery bypass grafting was performed using a novel technique for aortic anastomosis.
- The aortic ends of the grafts were anastomosed to a xenopericardial patch secured to the ascending aorta.
Findings:
- Successful revascularization of the coronary arteries was achieved.
- The xenopericardial patch technique avoided the need for fine sutures typically required for proximal vein graft anastomosis.
- This method potentially reduces the risk of developing new ostial stenosis at the anastomosis site.
Implications:
- This surgical approach offers a viable alternative for complex coronary artery bypass grafting in patients with Takayasu's arteritis and aortic calcification.
- The xenopericardial patch technique may improve long-term outcomes by mitigating the risk of anastomotic stenosis.
- Further studies are warranted to evaluate the efficacy and durability of this technique in a larger patient cohort.
Abstract:
A case in which a patient with stenoses of the right and left coronary ostia and heavy calcification of the aorta caused by Takayasu's disease was successfully treated by coronary artery bypass grafting is presented. The aortic ends of the two grafts were attached to a xenopericardial patch, which was sutured into the ascending aorta. This technique can be done without fine sutures, which are required for proximal anastomosis of a vein graft, and may reduce the risk of ostial stenosis.