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Aortic Surgery Glossary

100 terms total — 24 showing — Last updated 15 Sep 2026

aortic stiffness index

Advanced Technical IVT

A measure of aortic wall elasticity calculated from the relationship between pressure change and relative diameter change.

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aortopulmonary window

Intermediate Technical IVT

Congenital heart defect characterized by abnormal communication between the ascending aorta and pulmonary artery.

Technical Term Full entry →

aortotomy

Professional Technical IVT

Surgical incision into the aortic wall, typically performed for access during cardiac or aortic procedures.

Technical Term Full entry →

Bentall procedure

Professional Technical IVT

A cardiac surgical technique involving replacement of the aortic root, aortic valve, and reimplantation of coronary arte...

Technical Term Full entry →

bicuspid aortic valve

Intermediate Technical IVT

A congenital malformation where the aortic valve has two leaflets instead of the normal three.

Technical Term Full entry →

bird-beak configuration

Intermediate Technical IVT

Radiographic appearance on imaging where endograft material tapers to a point, resembling a bird's beak, often indicatin...

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branch vessel perfusion

Advanced Technical IVT

Selective blood flow maintenance to critical aortic branch vessels during complex aortic surgery to prevent organ ischem...

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button Bentall technique

Advanced Technical IVT

A modified surgical approach where coronary arteries are reimplanted as 'buttons' of aortic wall tissue during aortic ro...

Technical Term Full entry →

cardioplegia

Intermediate Technical IVT

Solution used to arrest the heart during cardiac surgery while providing myocardial protection and preservation.

Technical Term Full entry →

cerebrospinal fluid drainage

Intermediate Technical IVT

Procedure involving spinal catheter placement to reduce cerebrospinal fluid pressure during aortic surgery to minimize s...

Technical Term Full entry →

circulatory arrest

Professional Technical IVT

Complete cessation of blood circulation during cardiac surgery, typically achieved through cardiopulmonary bypass and hy...

Technical Term Full entry →

circulatory arrest time

Intermediate Technical IVT

Duration of complete cessation of blood circulation during cardiac surgery, typically measured from aortic cross-clamp t...

Technical Term Full entry →

coarctation of the aorta

Intermediate Technical IVT

A congenital narrowing of the aorta, typically near the ductus arteriosus insertion site.

Technical Term Full entry →

commissural fusion

Intermediate Technical IVT

Abnormal joining of aortic valve leaflet commissures, typically seen in congenital aortic stenosis.

Technical Term Full entry →

Crawford classification

Professional Technical IVT

A system for categorizing thoracoabdominal aortic aneurysms based on anatomical extent and organ involvement.

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cusp effective height

Advanced Technical IVT

The distance from the aortic annulus to the free edge of the aortic valve cusp at the point of commissural attachment, c...

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David procedure

Advanced Technical IVT

A valve-sparing aortic root replacement technique that preserves the native aortic valve.

Technical Term Full entry →

DeBakey classification

Professional Technical IVT

A system for categorizing aortic dissections based on the anatomical extent and involvement of the ascending aorta.

Technical Term Full entry →

elephant trunk procedure

Professional Technical IVT

A two-stage surgical technique for extensive thoracoabdominal aortic aneurysm repair involving staged reconstruction.

Technical Term Full entry →

endoleak

Professional Technical IVT

Persistent blood flow into the aneurysm sac after endovascular repair, classified by location and mechanism.

Technical Term Full entry →

EVAR

Intermediate Technical IVT

Endovascular aneurysm repair using stent-grafts to exclude aneurysms from circulation.

Technical Term Full entry →

false lumen thrombosis

Intermediate Technical IVT

Complete or partial clotting of blood within the false channel of an aortic dissection.

Technical Term Full entry →

fenestrated EVAR

Professional Technical IVT

An endovascular technique using custom grafts with openings to preserve blood flow to visceral arteries during aneurysm...

Technical Term Full entry →

frozen elephant trunk

Advanced Technical IVT

A hybrid technique combining open arch replacement with antegrade stent-graft deployment into the descending aorta.

Technical Term Full entry →

hemiarch replacement

Advanced Technical IVT

A surgical procedure involving replacement of the ascending aorta and partial aortic arch, typically including the lesse...

Surgical Procedure Full entry →
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