2014
DOI: 10.1111/echo.12516
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Cor Triatriatum Dexter, Atrial Septal Defects, and Pulmonary Stenosis—A Rare Association

Abstract: Cor triatriatum dexter (CTD) is an extremely rare congenital anomaly in which the right atrium is divided into 2 chambers by a membrane. The estimated incidence of cor triatriatum has been reported as 0.1% of congenital cardiac malformations. The septation of the right atrium in the setting of CTD is the result of failed resorption of the right valve of the sinus venosus. This results in anterolateral and posteromedial portions of the divided right atrium. CTD can be diagnosed at any age, especially if it is i… Show more

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Cited by 5 publications
(4 citation statements)
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“…The classification of CTS is based upon the course and location of the intraatrial membrane using the system of Loeffler or Lama, resulting in three categories of CTS [ 3 ]. There are, in most cases, other associated cardiac defects such as ostium secundum type ASD and a VSD [ 2 ], anomalous pulmonary venous return [ 4 ], and very rarely a division of the right ventricle [ 5 ].…”
Section: Discussionmentioning
confidence: 99%
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“…The classification of CTS is based upon the course and location of the intraatrial membrane using the system of Loeffler or Lama, resulting in three categories of CTS [ 3 ]. There are, in most cases, other associated cardiac defects such as ostium secundum type ASD and a VSD [ 2 ], anomalous pulmonary venous return [ 4 ], and very rarely a division of the right ventricle [ 5 ].…”
Section: Discussionmentioning
confidence: 99%
“…This results in an anterolateral and posteromedial subdivision of the right atrium. A diagnosis of CTD can be made at any age, often accidentally [ 3 ]. We have not found, however, any reports of an accidental diagnosis of CTD during a fetal autopsy.…”
Section: Discussionmentioning
confidence: 99%
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“…Cor-triatriatum dexter can occur as an isolated cardiac anomaly as in our case or in association with other heart abnormalities. [ 3 4 5 6 ] In cor-triatriatum dexter, most of systemic venous blood is directed to LA through PFO, which explains the central cyanosis associated with this condition. Depending on the degree of flow obstruction at atrial or TV level, cor-triatriatum dexter might lead to right sided heart failure.…”
Section: Discussionmentioning
confidence: 99%