Venous Disease state & Imaging

Question 1

venous anatomy includes superficial veins, deep veins, and ______.

Answer 1

perforator veins

Question 2

compared to arteries, veins have thinner walls, larger lumens, valves, and are _________.

Answer 2

more compliant

Question 3

Virchow’s triad is referring to

Answer 3

the formation of thrombus

Question 4

virchow’s triad includes vein damage, _____, and _______.

Answer 4

• venous stasis
• hypercoagulability

Question 5

arterial thrombus has _____ flow and venous thrombus has _____ flow.

Answer 5

• high shear
• low shear

Question 6

May Thurner syndrome occurs when there is a compression of the ______ vien on the ______ artery.

Answer 6

-left illiac
-right illiac

Question 7

VTE is associated with a _____ unpredicatable population compared to PAD.

Answer 7

more

Question 8

Virchow’s triad: venous stasis, vein damage, and hypercoagulabilty increase the risk for ____.

Answer 8

DVT

Question 9

T or F: May-thurner syndrome is often misdiagnosed, and is common in younger women

Answer 9

True

Question 10

T or F: up to half of the DVT patients reach PTS

Answer 10

True

Question 11

How old does DVT have to be to be considered chronic?

Answer 11

> 28 days

Question 12

What is the most common symptom of May-Thurner syndrome?

Answer 12

left leg swelling

Question 13

PE causes death in what percentage of diagnoses?

Answer 13

30%

Question 14

Virchow’s triiad does not access the following factors:

Answer 14

lifestyle habits

Question 15

Venous lesions occur due to two main causes:

Answer 15

• non-thrombotic lesions
• venous thromboembolism

Question 16

Virchow’s triangle can be used to determine:

Answer 16

the presence of thrombus

Question 17

DVT is the primary disease that fals under:

Answer 17

VTE

Question 18

What is a result of damage from chronic DVT:

Answer 18

PTS

Question 19

duplex ultrasound, computed temgraphy (CTV), magnetic resonance venography (MRV) are all part of:

Answer 19

diagnostic imaging

Question 20

venography and Intravascular Ultrasound (IVUS) are part of:

Answer 20

Intraprocedural imaging

Question 21

T or F: If the vein can be compressed using duplex ultrasound, there is no DVT present

Answer 21

True

Question 22

What ultrasound can differientate acute from chronic disease?

Answer 22

CTV

Question 23

Often used when duplex ultrasound is inconclusive. Commonly used to view adominal/pelvic area in 3D image and has the ability to obtain blood flow information:

Answer 23

MRV

Question 24

Similar to arterial angioplasty. X-ray that uses contrast to help place devices and guide treatment:

Answer 24

Venography

Question 25

Used to access presence and extent of disease, examine lesion geometry and morphology, and position guidewire and stent:

Answer 25

IVUS

Question 26

Viewing on IVUS, when placing a stent, you take the avg min and max diameters and oversize by:

Answer 26

1-2 mm

Question 27

Imaging falls under 2 main categories:

Answer 27

• diagnostic
• intraprocedural

Question 28

______ is particulary useful to evaluate lesion severity and for accurate stent placement.

Answer 28

IVUS

Question 29

Describe what may0thurner syndrome looks like on a MRV image

Answer 29

vein is compressed and the outflow in obstructed blood flow is redistributed and collaterals are activated and/or formed

Question 30

What is the main takeaway of the VIDIO trial?

Answer 30

IVUS is more effective at visualizing venous disease than venography

Question 31

the Venovo™ Venous Stent System IFU recommends oversizing by how much?

Answer 31

1 – 3 mm

Question 32

True or False: Venography is used for both diagnostic and intraprocedural imaging.

Answer 32

True

Question 33

Which of the following is a negative aspect of venography?

Answer 33

High radiation

Question 34

Which of the following is a positive aspect of IVUS?

Answer 34

All of the above