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Aortic valve construction using new nitinol templates and pericardial tissue
Jaroslav Benedik1, Fanar Mourad2, Juri Lubarski1
1Department of Heart Surgery Helios Hospital Krefeld, Germany.
Multimedia Manual of Cardiothoracic Surgery : MMCTS
|May 28, 2020
Summary
This video demonstrates aortic valve construction using pericardial tissue. New templates and forceps ensure accurate sizing and symmetrical cusp coaptation for optimal valve function.
Area of Science:
- Cardiovascular Surgery
- Biomaterials Science
- Medical Device Engineering
Background:
- Pericardial tissue is a common biomaterial for cardiac valve reconstruction.
- Accurate sizing of neocusps is critical for prosthetic aortic valve function.
- Previous methods for aortic valve construction lack standardized sizing tools.
Observation:
- A novel technique for aortic valve construction using pericardial tissue is presented.
- Newly designed templates and forceps are utilized for precise neocusp sizing.
- The procedure emphasizes achieving symmetrical coaptation of the reconstructed aortic valve cusps.
Findings:
- The use of specialized templates and forceps simplifies and standardizes the sizing process.
- Enhanced symmetrical coaptation of neocusps is achieved, promoting optimal leaflet function.
- This method facilitates reproducible construction of pericardial aortic valves.
Implications:
- This technique offers a standardized approach to aortic valve reconstruction with pericardial tissue.
- Improved neocusp sizing and coaptation may lead to better long-term prosthetic valve performance.
- The video tutorial serves as a valuable educational resource for cardiac surgeons.
