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Graph comparing indexed neo-aortic valve annular area z-score (left panel) and tricuspid valve annular area z-score (right panel) for the cohort with paired studies at the 14 months, pre-Fontan, and 6-year intervals. The annular z-score decreased significantly for both the neo-aortic and tricuspid valves between 14 months and 6 years for the cohort with no differences in either valve z-score between pre-Fontan and 6 year studies.
