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  • Title: [Major tricuspid insufficiency and absence of systolic valvular coaptation. Echocardiographic study. Apropos of 6 cases].
    Author: Roudaut R, Héraudeau A, Gosse P, Aouizerate E, Dequecker JL, Dallocchio M.
    Journal: Arch Mal Coeur Vaiss; 1986 Sep; 79(10):1487-94. PubMed ID: 3099683.
    Abstract:
    In a retrospective series of 960 cases of tricuspid regurgitation studied by two-dimensional echocardiography 6 patients presented a systolic defect of valvular coaptation. The origin of this defect varied: one case was due to carcinoid, two to rheumatic cardiopathy, two to papyraceous right ventricle and one to sclerodermia associated with pulmonary arterial hypertension. The mechanism of the lacking coaptation varies according to the etiology: valvular retraction in carcinoid cardiopathy, right-ventricle dilatation, dilatation of the tricuspid ring and altered kinetics of the right ventricle in the other cases. Changed contractility of the right ventricle is the only element allowing to distinguish tricuspid regurgitation with and without a coaptation defect. Clinically this abnormality always points to an advanced stage of severe tricuspid regurgitation.
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