Key result
Various surgical techniques for mitral valve repair using artificial PTFE chordae tendineae have been developed and shown to be safe and effective, primarily differing in how neo-chordae length is measured.
Systematic Review
This systematic review summarizes the evolution of mitral valve repair techniques using PTFE artificial chordae tendineae for myxomatous mitral regurgitation.
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Multiple PTFE neo-chordae techniques offer safe mitral repair; extends options while research on length standardization continues.
Myxomatous mitral regurgitation (type II Carpentier's functional classification) affects about 1-2% of the population. This represents a very common indication for valve surgery resulting in a low percentage of repairs compared to replacement which is actually performed. In the last decades, several methods for mitral valve repair have been developed, to make the surgical feasibility easier, improve the long-term follow-up thus avoiding the need for reoperations. A very interesting method is represented by the combination of various valve repair techniques, depending on the involvement of the anterior, posterior, or both leaflets, and the use of PTFE artificial chordae tendineae when excessive chordal elongation or rupture due to myxomatous degeneration co-exists. The aim of this review is to summarize the evolution of these techniques from the beginning till now.
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Bizzarri et al. (2010) conducted a systematic review in Myxomatous mitral regurgitation. Mitral valve repair with artificial PTFE chordae tendineae was evaluated. Various surgical techniques for mitral valve repair using artificial PTFE chordae tendineae have been developed and shown to be safe and effective, primarily differing in how neo-chordae length is measured.
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