Repair of idiopathic rupture of mitral chordae tendinea by triangular resection and annuloplasty

Major causes of rupture of chordae tendinea are myocardial infarction, trauma, hypertension, myxomatous degeneration, endocarditis and rheumatic heart disease. We describe an idiopathic rupture of the chordae tendinea of the posterior mitral leaflet in a 67 years old patient who had no evidence of coronary artery disease, rheumatic disease or other etiologies. The defect was repaired with triangular resection and annuloplasty. He had an uneventful postoperative course for 5 months