title: [Difficult cases in mitral valve valvuloplasty, intraoperative evaluation and surgical techniques].
mesh_terms: D006348:Cardiac Surgical Procedures / Q000379:methods; D006801:Humans; D007430:Intraoperative Care; D008943:Mitral Valve / Q000601:surgery*; D008944:Mitral Valve Insufficiency / Q000601:surgery; D008945:Mitral Valve Prolapse / Q000601:surgery