Postprocedural left-sided atrioventricular valvar abnormality in double-inlet ventricle

**Definition:** A postnatal pathological change in form or function of the left-sided atrioventricular valve in double inlet ventricle that occurred during or after an intervention.

**Exclusions:** - Congenital anomaly of an atrioventricular valve or atrioventricular septum