Assertion: aorta's diameter | /r/CapableOf | exceed 99th percentile
Facets:
value: 18–20 mm
type: OTHER
value: for the aortic valve annulus measures
type: OTHER
value: for age
type: OTHER
Source sentences:
text: In children with Loeys-Dietz syndrome, prophylactic surgery is undertaken when the aortic diameter exceeds the 99th percentile for age and the aortic valve annulus measures 18–20 mm .