In mitral valve regurgitation due to anterior leaflet prolapse and other complicated lesions, chordal replacement with expanded polytetrafluoroethylene is widely practiced. The most troublesome aspects of this procedure are the determination of the necessary length of the artificial chorda and the tying of the knot. We describe a simple technique for artificial chordal replacement using an Alfieri stitch, that has been successfully applied to 10 patients with anterior leaflet prolapse.
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