Endovascular Grafting


Aneurysms are balloon-shaped bulges in artery walls. The bulges make the artery walls thin and weak, which means they might rupture. Endovascular stent grafting is a procedure that’s done to reinforce an aortic aneurysm or iliac aneurysm. An endovascular graft is a fabric tube held up by a metal stent. Once it’s placed inside the aneurysm, blood can flow through the stent graft and take the pressure off the aneurysm wall to reduce the chance of rupture.

Endovascular stent graft repair can't treat all aortic aneurysms. Depending on their size and location, some may need to be treated with traditional surgery. Newer stent grafts, called fenestrated stent grafts, are available for certain aneurysms near the kidney and internal arteries.

Like all surgeries, endovascular stent grafting has potential risks, which may include: 

  • Blockage of blood flow through the graft
  • Graft fracture
  • Infection
  • Leaking of blood around the graft
  • Movement of the graft from its original location
Regular yearly follow up with a CT scan can detect and prevent complications. 

What to Expect

Before your procedure, your doctor will order tests to make sure you’re strong enough for surgery. You may be asked to see your primary care doctor or cardiologist prior to surgery. You will be told which medications need to be stopped prior to the procedure. 

On the day of your procedure, you need to arrive 2 hours prior to the procedure. You will be put to sleep with general anesthesia. Next, the vascular team will trim the hair at the groin to prepare for a surgical incision in each groin to insert the stent graft.

With the help of ultrasound images viewed on a screen, the stent graft will be positioned inside the aneurysm and secured to seal off the aneurysm. This will prevent the aneurysm from growing any further and take the pressure off the vessel wall to prevent rupture.


You’ll stay in the hospital for 1 to 3 days. Before you go home, your doctor will go over restrictions on driving and other activities. You can have a sponge bath or take a shower, but should not soak or take a bath until the groin incisions have healed. Any discomfort should be minimal, but your doctor can prescribe pain medication if needed. You can expect to fully recover in about a month.  

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