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Vascular Surgery Glossary

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

type II endoleak

Professional Technical IVT

Retrograde flow into the aneurysm sac through patent branch vessels, most commonly lumbar arteries or inferior mesenteric artery.

Showing 49–72 of 100

hemodynamically significant

Advanced Technical IVT

Arterial stenosis causing measurable reduction in blood flow that produces clinical symptoms or objective evidence of is...

Technical Term Full entry →

heparinization

Intermediate Technical IVT

The process of administering heparin to achieve therapeutic anticoagulation during vascular procedures.

Technical Term Full entry →

hostile neck anatomy

Professional Technical IVT

Anatomical features that make standard endovascular aneurysm repair challenging, including short, angulated, or heavily...

Technical Term Full entry →

hybrid procedure

Intermediate Technical IVT

Combined open surgical and endovascular intervention performed in a single operative session for complex vascular diseas...

Technical Term Full entry →

in-stent restenosis

Advanced Technical IVT

Recurrent narrowing within a previously placed stent, typically due to neointimal hyperplasia or in-stent thrombosis.

Technical Term Full entry →

infrainguinal bypass

Professional Technical IVT

Surgical bypass procedures performed below the inguinal ligament to treat lower extremity arterial occlusive disease.

Technical Term Full entry →

intimal

Advanced Technical IVT

Relating to the intima, the innermost layer of an arterial wall consisting of endothelial cells and subendothelial conne...

Technical Term Full entry →

intimal flap

Intermediate Technical IVT

A separation or tear in the innermost layer of an artery that can obstruct blood flow.

Technical Term Full entry →

intimal hyperplasia

Professional Technical IVT

Abnormal thickening of arterial inner layer causing narrowing after intervention.

Technical Term Full entry →

intraluminal thrombus

Intermediate Technical IVT

Blood clot formation within the interior space of a blood vessel, potentially causing partial or complete blockage.

Technical Term Full entry →

intraoperative angioscopy

Advanced Technical

Direct visual examination of vessel interior using a flexible endoscope during surgery.

Technical Term Full entry →

ischemia-reperfusion injury

Advanced Technical IVT

Tissue damage that occurs when blood supply returns to tissue after prolonged ischemia.

Technical Term Full entry →

jump graft

Advanced Technical IVT

A bypass graft that originates from another graft rather than directly from a native vessel.

Technical Term Full entry →

jump graft configuration

Professional Technical IVT

A surgical technique using sequential bypass grafts to revascularize multiple arterial segments through interconnected c...

Technical Term Full entry →

Leriche syndrome

Advanced Technical IVT

Aortoiliac occlusive disease causing claudication, impotence, and absent femoral pulses. Named condition requiring prope...

Technical Term Full entry →

Magnetic resonance angiography

Intermediate Technical IVT

A non-invasive imaging modality using magnetic resonance to visualize blood vessels without ionizing radiation or iodina...

Technical Term Full entry →

multilevel disease

Intermediate Technical IVT

Atherosclerotic involvement of multiple arterial segments requiring staged or combined therapeutic approaches.

Technical Term Full entry →

no-option patient

Advanced Technical IVT

Patient with advanced vascular disease for whom conventional surgical or endovascular interventions are not feasible.

Clinical Term Full entry →

non-compressible vessel

Advanced Technical IVT

Calcified artery that cannot be adequately compressed during ankle-brachial index measurement, potentially giving falsel...

Technical Term Full entry →

operative arteriography

Intermediate Technical IVT

Real-time contrast imaging performed during surgery to assess vascular anatomy and repair quality.

Technical Term Full entry →

outflow tract

Intermediate Technical IVT

The distal arterial system beyond a repair site, crucial for determining bypass target and assessing long-term graft pat...

Technical Term Full entry →

patency

Intermediate Technical IVT

The state of being open and unobstructed, referring to blood vessels or surgical grafts that maintain adequate flow.

Technical Term Full entry →

percutaneous transluminal angioplasty

Intermediate Technical IVT

Minimally invasive procedure using balloon catheter inflation to open narrowed or blocked arteries.

Technical Term Full entry →

pop-off

Advanced Technical

Surgical technique creating an intentional small arterial branch to reduce pressure or improve flow dynamics.

Technical Term Full entry →
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