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Int J Cardiol. 2009 Aug 14;136(2):e37-8. doi: 10.1016/j.ijcard.2008.04.093. Epub 2008 Jul 25.

Isolated tricuspid prolapse in young child.


The geometric and hemodynamic determinants of functional tricuspid regurgitation severity are mainly determined by septal leaflet tethering, septal-lateral annular dilatation, and the severity of pulmonary hypertension. Isolated significant tricuspid regurgitation can occur from isolated prolapse of valvar leaflets. Tricuspid prolapse has been found more frequently to be associated with mitral valve prolapse or with other cardiac and lung diseases and it has been rarely found as an isolated finding. Isolated primitive tricuspid prolapse appears in fact a relatively unknown anatomo-clinical entity and is of clinical importance, since this condition may be associated with significant tricuspid incompetence, a high incidence of cardiac arrhythmias, and possibly with bacterial endocarditis. We present a case of isolated prolapse of the tricuspid septal leaflet in an 11-year-old Italian boy. Also this case is illustrative of an isolated tricuspid prolapse.

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