Identification of the atrioventricular conduction axis and its positional relationship with anatomical landmarks of a heart with tricuspid atresiaCentral Message

Previous reports of the atrioventricular conduction axis (AVCA) in patients with tricuspid atresia (TA) have focused on its anatomical association with the classical Fontan operations and adjunctive procedures, such as enlargement of the bulboventricular foramen and closure of the atrial septal defect.1 However, surgical techniques for TA have evolved in recent decades, and the total cavopulmonary connection and the Damus–Kaye–Stansel procedure have been widely adopted. Thus, the previous anatomical findings have become less relevant.

Abstract licence: CC BY-NC-ND

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