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Published on: November 24, 2014
Aortic connector for coronary revascularization in a patient with Takayasu's disease
Atsushi Yamaguchi1, Hideo Adachi, Koji Kawahito
1Department of Cardiovascular Surgery, Omiya Medical Center, Jichi Medical School, Saitama, Japan.
Insights
Takayasu's disease can complicate coronary artery bypass grafting (CABG) due to aortic calcification. This case study demonstrates successful off-pump CABG using mechanical aortic connectors for a patient with severe aortic calcification.
Area of Science:
- Cardiology
- Vascular Surgery
Background:
- Takayasu's arteritis is a large vessel vasculitis affecting the aorta and its branches.
- Aortic calcification in Takayasu's disease presents significant challenges for coronary artery bypass grafting (CABG), particularly for proximal vein graft anastomosis.
- Internal mammary arteries are often unsuitable for use in CABG due to disease involvement.
Observation:
- A 60-year-old woman presented with left main coronary artery stenosis and severe aortic calcification secondary to Takayasu's disease.
- The patient experienced severe angina symptoms.
- Standard CABG techniques were deemed difficult due to extensive aortic calcification.
Findings:
- Off-pump CABG was successfully performed using mechanical aortic connectors.
- These connectors facilitated proximal vein graft anastomoses despite severe aortic calcification.
- The patient's severe angina was effectively relieved post-procedure.
Implications:
- Mechanical aortic connectors offer a viable solution for performing CABG in patients with Takayasu's disease and severe aortic calcification.
- This technique expands surgical options for complex cardiovascular cases.
- Improved outcomes for patients with challenging aortic pathology undergoing revascularization are possible.
Abstract:
Takayasu's disease affects the aorta and its major branches including coronary arteries, some of which may require coronary artery bypass grafting (CABG). However, calcification of the aorta affected by Takayasu's disease often makes proximal anastomosis of a vein graft very difficult. In addition, since the major branches of the aortic arch are also frequently affected by it, the internal mammary arteries are unsuitable for use in CABG. We report a 60-year-old woman with stenosis of the left main coronary artery and heavy aortic calcification caused by Takayasu's disease whose severe angina was successfully relieved by off-pump CABG using mechanical aortic connectors for proximal vein graft anastomoses.
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