The Two Tales of Tricuspid Valve Anomaly


Authors: E A Pradipta, R Ariani, and AM Soesanto
Page Range: 227-235
Published in: World Heart Journal, 15#4 (2023)
ISSN: 1556-4002

Table of Contents


Tricuspid valve anomalies, including valvar dysplasia, atresia, and Ebstein’s anomaly have been well described in the literature. In addition to these anomalies, a very rare malformation, a complete absence of tricuspid valve tissue with a normal orifice between the right atrium and the right ventricle, was first described by Kanjuh et al. and termed as ‘unguarded tricuspid orifice.’ The purpose of this report is to describe two distinct cases of tricuspid valve dysplasia. A 41-year old male and a 56-year old female presenting with a right heart failure were initially diagnosed as Ebstein’s anomaly. Echocardiography examination showed that the first case had completely no tricuspid valve apparatus with a rudimentary valve leaflet inserted to the valve annulus and diagnosed as an unguarded tricuspid valve. The second patient was a confirmed an Ebstein’s anomaly case for comparison. Despite similarities to Ebstein’s anomaly, unguarded tricuspid valve has its own distinctive impact on management due to the absence of all tricuspid valve apparatus. Therefore, distinguishing between these two anomalies is pivotal in managing these cases.

Keywords: Ebstein’s anomaly, tricuspid valve dysplasia, unguarded tricuspid valve

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