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Routine echocardiograms were used to track aortic root diameter in participants of the Framingham Heart Study. Short-term (4 years) change in aortic root diameter was evaluated in 3506 individuals with at least 2 consecutive echocardiograms (6099 observations). Long-term (16 years) tracking of aortic root size was performed in 4542 individuals who attended up to 4 serial echocardiograms (14628 observations).
