title: Invited commentary.
authors.affiliation: Cardiothoracic Surgery, New York University Medical Center, New York, NY10016, USA. alfred.culliford@med.nyu.edu
authors.forename: Alfred T
authors.initials: AT
authors.lastname: Culliford
mesh_terms: D005500:Follow-Up Studies; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000601:surgery*; D013906:Thoracoscopy / Q000379:methods*; D013997:Time Factors; D016896:Treatment Outcome