Aortic Root Reconstruction
Aortic Root Reconstruction - Related Videos
12:17
Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
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Cited by 4 •
2017
Full-root aortic valve replacement by stentless aortic xenograft is a viable option in patients with small aortic roots. We describe, a technique for the full-root implantation of stentless aortic xenografts, with emphasis on the management of the proximal suture line and coronary anastomoses, and discuss its limitations and alternative options.
14:14
Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
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2017
Valve-sparing aortic root replacement has the advantage of preserving the patient's own aortic valve. The complexity of the reported techniques to date restricts their use to a limited number of cardiac surgeons. This protocol describes step-by-step a standardized technique reproducible by a greater number of cardiac surgeons.
09:12
Aortic Ring Assay
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Cited by 42 •
2009
Angiogenesis, the sprouting of blood vessels from pre-existing vasculature, is associated with both natural and pathological processes. Here we demonstrate an aortic ring assay that allows angiogenic potentiators and inhibitors to be directly added to aortic rings in culture. Sprouting and neovessel outgrowth can be determined by inspecting the aortic rings over a period of 6-12 days.
07:49
Isolation and Analysis of Aortic Arch and Root Lesions in an Atherosclerotic Mouse Model
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2025
This protocol provides a comprehensive methodology for the quantitative analysis of atherosclerotic plaques to facilitate more in-depth research into the mechanisms and progression of atherosclerosis.
10:23
Creation of Murine Experimental Abdominal Aortic Aneurysms with Elastase
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Cited by 55 •
2009
This video shows how to induce abdominal aortic aneurysms (AAA) in mice via transient intraluminal infusion of porcine pancreatic elastase into the infrarenal segment of the abdominal aorta. The model has the ability to add broad insight into the pathobiology of AAA due to the emergence of numerous transgenic and gene knockout mice.
FAQs
Valve preservation depends on whether the native valve can function after the diseased root is repaired. When preservation is feasible, surgeons reimplant the valve within a vascular graft, maintaining the patient’s own valve while reconstructing the surrounding root. If tissue damage or associated valve disease prevents reliable function, replacement becomes necessary, linking root repair with correction of valve dysfunction.
The vascular graft replaces or reshapes the weakened portion of the aortic root and provides a reconstructed pathway between the left ventricle, aortic valve, and ascending aorta. Its placement allows surgeons to address dilated or damaged tissue while restoring anatomical continuity. This structural repair is intended to reduce the consequences of progressive root disease, including rupture, dissection, and valve dysfunction.
A valve-sparing approach keeps the native aortic valve and reimplants it within the graft, provided the valve can support satisfactory function after reconstruction. Combined replacement removes the need to rely on a diseased or unsuitable native valve. The distinction therefore reflects both the condition of the valve and the extent of associated valve-root disease, rather than the root abnormality alone.
Aortic root aneurysm and dissection are direct reasons to reconstruct or replace diseased root tissue. Connective-tissue disorders can also produce root abnormalities that require surgical management, while complex valve-root disease may affect both the surrounding aorta and the valve. These conditions differ in cause, but each can create structural problems that threaten aortic integrity or valve function.
The operation begins by addressing the abnormal root tissue through reshaping or replacement with a vascular graft. Surgeons then choose whether to preserve the native valve by reimplanting it within the graft or replace the valve when preservation is not feasible. The completed reconstruction restores continuity among the left ventricle, valve, and ascending aorta while treating the underlying root problem.
By repairing the diseased root and addressing associated valve dysfunction, the procedure aims to reduce the risk of rupture and dissection and limit progressive deterioration of valve performance. Its goals are therefore both protective and reconstructive: it restores the connection between cardiac outflow and the ascending aorta while managing structural disease that could otherwise worsen over time.