Artificial chordal replacement using polytetrafluoroethylene sutures has become an established component in the technique for mitral valve replacement with good long-term results. Although various techniques have been described to determine the length of the artificial chordae, this has remained somewhat problematic. A neo-chordae that is too short will, in effect, result in a restricted leaflet movement. A neo-chordae that is too long will be ineffective in controlling leaflet prolapse.
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School of Veterinary Medicine, University of Surrey, Daphne Jackson Rd, Guildford GU2 7AL, United Kingdom; The Surrey Institute for People-Centred Artificial Intelligence, Stag Hill University Campus, Guildford GU2 7XH, United Kingdom; Institute for Sustainability, University of Surrey, Guildford, United Kingdom; University of Exeter, Exeter, United Kingdom.
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Bioengineering Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Boston, MA, 02114, USA.
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