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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
Aortic valve-sparing operations: dealing with the coronary artery that is too close to the aortic annulus
Amir M Sheikh1, Tirone E David
1Peter Munk Cardiac Centre of Toronto General Hospital, University Health Network, University of Toronto, Toronto, Ontario, Canada. amsheikh10@hotmail.com
Insights
A novel surgical technique addresses challenges in aortic valve-sparing root replacement. This method allows for safe aortic valve preservation even with displaced coronary arteries near commissures.
Area of Science:
- Cardiovascular Surgery
- Cardiac Surgery Techniques
- Aortic Root Surgery
Background:
- Aortic valve-sparing root replacement (AVSRR) is a complex procedure.
- Displaced coronary ostia near commissures can complicate AVSRR.
- This anatomical variation has historically limited AVSRR in aortic root aneurysm cases.
Purpose of the Study:
- To present a modified reimplantation technique for AVSRR.
- To address the challenge of coronary ostia proximity to commissures.
- To expand the applicability of valve-sparing aortic root surgery.
Main Methods:
- Description of a specific surgical technique for AVSRR.
- Focus on managing coronary ostia located near aortic valve commissures.
- Adaptation of the reimplantation method for challenging anatomy.
Main Results:
- The described technique facilitates safe detachment of coronary buttons.
- Preservation of the native aortic valve is achievable.
- Enables AVSRR in patients with previously prohibitive coronary artery displacement.
Conclusions:
- This technique offers a solution for complex AVSRR cases.
- It expands the patient cohort eligible for aortic valve-sparing procedures.
- Improves surgical options for aortic root aneurysm with challenging coronary anatomy.
Abstract:
During aortic root surgery, one of the coronary ostia is sometimes found to lie too close to one of the commissures to allow its safe detachment as a button while still preserving the native aortic valve. In the past, this has prevented aortic valve-sparing root replacement in cases of aortic root aneurysm. We describe a technique pertaining to the reimplantation method of aortic valve-sparing root replacement to deal with such a displaced coronary artery.
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