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A New Artificial Chordae Implantation Method in Mitral Valve Surgery
Murat Tavlasoglu1, Adem Guler2, Hikmet Sahratov2
1Department of Cardiovascular Surgery, Gulhane Military Medical Academy, Etlik, Ankara, Turkey. Electronic correspondence: mrttvls@gmail.com.
The Journal of Heart Valve Disease
|December 24, 2016
Summary
A new technique uses expanded polytetrafluoroethylene sutures for artificial chordae replacement in mitral valve repair. This knotless method preserves leaflet coaptation, offering a simple and adjustable solution for valve repair.
Area of Science:
- Cardiovascular Surgery
- Biomaterials Science
- Medical Devices
Background:
- Mitral valve repair often requires chordae tendineae replacement.
- Current methods may involve complex knot placement, potentially affecting leaflet function.
- Preserving the leaflet's smooth coapting surface is crucial for effective valve closure.
Purpose of the Study:
- To introduce a novel knotless technique for artificial chordae replacement using expanded polytetrafluoroethylene (ePTFE) suture.
- To evaluate the simplicity, reproducibility, and applicability of this technique in mitral valve repair.
- To assess the impact of the technique on preserving the leaflet coapting area.
Main Methods:
- Utilizing expanded polytetrafluoroethylene suture for artificial chordae construction.
- Implementing a technique that avoids knots on the free edge of mitral valve leaflets.
- Adjusting artificial chordae length rapidly and accurately during the procedure.
Main Results:
- The described technique successfully replaces artificial chordae without knots on the leaflet free edge.
- Artificial chords are suspended from the leaflet margin, maintaining its natural contour.
- The method preserves the smooth zone of the coapting area, crucial for valve function.
- The technique demonstrated simplicity, reproducibility, and applicability to both anterior and posterior leaflets.
Conclusions:
- This knotless artificial chordae replacement technique offers a significant advancement in mitral valve repair.
- The method ensures preservation of leaflet anatomy and coaptation.
- Its simplicity, reproducibility, and adjustable nature make it a valuable option for surgeons.
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