Page 40 - Virtual Vascular Vol 2 Sep 2020-f

IMAGES

• Young lady with an

arteriovenous

malformation (AVM)
involving T11-12

intercostal artery and

veins

• Presented as a soft

lump on her back with
occasional pain

• The venous sac
measured 2.4 x 1.5cm

Bard Covera™ Vascular covered stent in size
Angiogram showing the

AVM (white arrow)

COVERED VASCULAR STENT

(Above) This is a self-expandable version consisted of expanded polytetrafluoroethylene • Catheter embolization
(ePTFE) encapsulating a helical nitinol (nickel-titanium) stent framework for flexibility and
support. They usually comes in delivery systems of 8-9 Fr sizes, with diameters of 6-10mm is usually the first line
and lengths varying from 30 - 100 mm. treatment for AVMs

Indications include post-angioplasty for arterial occlusive diseases, arteriovenous hemodialy- • Super-selective
sis access, and as a bridging stent for branched endovascular repairs.
cannulation and coil

embolization with coils
was performed by

interventional

radiologist

• Confirmed no residual

flow by doppler
ultrasound Post embolization angiogram
40 Gore Viabahn™ covered stent showing no blood flow into the 41

venous sac