In young patients with BAV, aortic dilation Z-scores remain constant over time, suggesting those with early moderate/severe dilation are at highest risk for adult complications.
Moderate/severe dilation of the ascending aorta is common in young patients with BAV, but moderate/severe dilation of the aortic root is less common. The Z-scores for both remained relatively constant over time even in patients with significant dilation, implying that young children with moderate/severe aortic dilation may be at the highest risk for dilation-related complications as adults.
Fernandes et al. (Tue,) studied this question.