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  • Title: Conservative surgery for atrioventricular valve myxoma.
    Author: Roques F, Ulmer B, Sanchez B, Godreuil J, Bernasconi F, Smadja D, Bucher B.
    Journal: J Heart Valve Dis; 1999 Jul; 8(4):460-2. PubMed ID: 10461251.
    Abstract:
    Patients with valvular myxoma are usually candidates for surgery because of the high incidence of life-threatening embolism. In some cases, the tumor is sessile or presents with a large peduncle: complete excision may then lead to valve replacement. We report two cases of atrioventricular valve myxoma where replacement was avoided. In one patient, a mitral myxoma appended from the edge of the anterior leaflet close to the chordae insertion; safe excision implied destruction of the two chordae and a peritumoral section of the anterior leaflet. A chordal transposition technique was used to preserve valve competence. In a second patient, a tricuspid myxoma causing syncopal episodes was resected; this was characterized by a large stalk, located on the anterior tricuspid leaflet away from chordal attachment and the valvular annulus. Treatment was by resection and the leaflet reconstructed with a pericardial patch. Techniques for conservative treatment of degenerative valvular disease or endocarditis, when monitored peroperatively by transesophageal echocardiography, may be successful in the surgical resection of atrioventricular myxoma.
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