1. Preservation of Anterior and Posterior Leaflet in Mitral Valve Replacement With a Tilting- Disc Valve 
Joong H Choh 
The Annals of Thoracic Surgery 
Volume 64, Issue 1, Pages (July 1997)
DOI: /S (97)

2. Fig. 1
An incision is made at the base of the anterior leaflet along the attachment in the central fibrous body, the incision is carried to both sides, and the detached anterior mitral leaflet is divided into three or four islands of leaflet tissue, each with attached underlying chordae tendineae.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

3. Fig. 2
These islands are transposed under the posterior leaflet and secured with 4-0 polypropylene mattress sutures.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

4. Fig. 3
Multiple 2-0 sutures are placed in everting mattress technique along the entire mitral annulus.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )

5. Fig. 4
The prosthetic valve is secured with multiple everting mattress sutures along the entire annulus with pledgets on the left atrial side.
The Annals of Thoracic Surgery  , DOI: ( /S (97) )