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Updated: Jun 26, 2026

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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Structure and anatomy of the aortic root
1Cardiac Morphology Unit, National Heart and Lung Institute, Imperial College and Royal Brompton Hospital, Dovehouse Street, London SW3 6LY, UK. yen.ho@imperial.ac.uk
Summary
Understanding aortic root anatomy is crucial for new valve and device implantation techniques. This review details the aortic root
Area of Science:
- Cardiovascular Anatomy
- Cardiac Surgery
Background:
- Aortic root anatomy is critical for evolving percutaneous and transcatheter valve/device implantation strategies.
- Accurate anatomical understanding aids in managing aortic root pathologies.
Purpose of the Study:
- To review the complex composite structure of the aortic root.
- To highlight anatomical features relevant to cardiac interventions and disease.
Main Methods:
- Descriptive review of aortic root anatomical components.
- Emphasis on leaflet morphology, hingelines, sinuses, and junctions.
Main Results:
- The aortic root is a composite structure including leaflets, sinuses, and interleaflet triangles.
- Leaflet shape, hingeline configuration, and coronary orifice location are key features.
- Interleaflet triangles guide the atrioventricular conduction bundle; variations cause valve dysfunction.
Conclusions:
- Comprehensive consideration of leaflets, hingelines, sinuses, and junctions is vital for aortic root assessment.
- The aortic root's central location necessitates understanding its relationship with cardiac chambers and conduction pathways.
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