Fig. 2

a The strip is placed using six interrupted 2–0 Dacron mattress sutures that are passed through the 5-mm left atrial wall and posterior annulus. b For mitral regurgitation due to commissural chordal rupture, new chord placement (white arrowhead) and strip annuloplasty (white arrow) were performed. c In the saline test, the leaflet coaptation (white arrow) was placed below the strip. A: anterior leaflet; P: posterior leaflet