Summary
It is evident that the term “tricuspid atresia” is imprecise and can be used to describe hearts with widely varying morphology. It might be preferable if the term were reserved for one or other of these variants, probably that which is the most commonly encountered. In this anomaly there is total absence of the connection between the right atrium and the ventricular mass, and the ventricular morphology is that of a univentricular heart. Only if a detailed segmental analysis of the heart is performed can the distinction be made between this and other malformations in which the tricuspid valve is imperforate and in which any ventricular morphology can be encountered. Tricuspid atresia is usually, but not always, univentricular.
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Dr. Anderson is supported by the Joseph Levy Foundation, together with the British Heart Foundation.
Dr. Macartney is supported by the Vandervell Trust, together with the British Heart Foundation.
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Anderson, R.H., Becker, A.E., Macartney, F.J. et al. Is “tricuspid atresia” a univentricular heart?. Pediatr Cardiol 1, 51–56 (1979). https://doi.org/10.1007/BF02307343
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DOI: https://doi.org/10.1007/BF02307343