Describes a rare case of flail tricuspid valve due to ruptured chordae tendineae in a patient with congenitally corrected transposition of the great arteries, successfully treated with valve replacement.
Supports surgical feasibility in rare flail tricuspid valve with ccTGA; leaves open need for systematic outcome data.
We describe a case of a 50-year-old woman with congenitally corrected transposition of the great vessels, in whom severe left-sided tricuspid (systemic atrioventricular) valve insufficiency was the only associated anomaly. The tricuspid valve was dysplastic and abnormally oriented toward the interventricular septum, without the downward displacement of Ebstein's anomaly. The mechanism of atrioventricular regurgitation was unusual in that it consisted of the rupture of chordae tendineae of both the anterior and septal leaflets. The left-sided tricuspid valve was replaced with a St. Jude prosthesis and the postoperative course was uneventful.
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Meloni et al. (1997) studied this question.
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