Intermediate Technical In the Industry Vocabulary Test

aortic root dilatation

Enlargement of the aortic root structures including the sinuses of Valsalva, often requiring surgical intervention.

Full Definition

Aortic root dilatation refers to the pathological enlargement of the aortic root structures, including the sinuses of Valsalva, sinotubular junction, and ascending aorta at the level of the aortic valve. This condition can be associated with connective tissue disorders (such as Marfan syndrome), bicuspid aortic valve, or degenerative processes. Progressive root dilatation can lead to aortic regurgitation and increased risk of aortic dissection or rupture. Surgical indications include root dimensions exceeding 4.5-5.0 cm or rapid progression, with treatment options ranging from valve-sparing root replacement to composite graft procedures.

Usage

Usage note: Always provide measurements and specify the level of measurement (sinuses of Valsalva, sinotubular junction, etc.).

In Context

"Serial echocardiography demonstrated progressive aortic root dilatation from 4.2 to 4.8 cm over two years." — Cardiology follow-up
"The patient with Marfan syndrome developed significant aortic root dilatation requiring prophylactic surgical intervention." — Genetic cardiology consultation

Also known as

aortic root aneurysm root enlargement

Contrasted with

aortic root stenosis

Don't confuse with

ascending aortic aneurysm aortic valve regurgitation

aortic root abscess ← Back to glossary aortic root geometry