Abstract
Mitral valve repair is the procedure of choice to treat mitral valve regurgitation. However, the feasibility and durability of repair are influenced strongly by the valve pathology. The classic features of degenerative mitral valve disease include leaflet prolapse and annular dilatation. Risk of repair failure is increased by isolated anterior leaflet prolapse or bileaflet prolapse. A variety of techniques have been used to treat this pathology. The most popular include partial leaflet resection, chordal shortening, chordal transfer and chordal replacement. Use of artificial chordae with expanded polytetrafluoroethylene (e-PTFE) sutures is a well-known technique for mitral valve repair and long-term data validate this approach. The primary challenges with this technique are judging the proper length of the neochordae and tying the PTFE. Several different techniques have been proposed to solve these items but none of the established are very satisfactory. I describe a preliminary experience with a new device to determine the correct length of the neo-chordae and tying the knots without sliding in ten patients with severe mitral insufficiency referred for mitral valve repair.
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