For patients facing a leg stent procedure for the first time, understanding what actually happens during the appointment can ease much of the uncertainty. Leg stenting for peripheral artery disease is typically performed as a minimally invasive, catheter-based procedure rather than open surgery, and most patients go home the same day. Here is a general walkthrough of what the process usually involves, recognizing that specifics vary by patient and by the artery being treated.
Before the Procedure: Access and Imaging
The procedure typically begins with local anesthesia at the access site, most often the femoral artery in the groin or, in some cases, the wrist. A small sheath is inserted, through which catheters and wires can be advanced under fluoroscopic (X-ray) guidance to the blocked segment, whether that is the iliac artery, superficial femoral artery, or another affected vessel. Contrast dye is injected to obtain angiographic images that map the location, length, and severity of the blockage before any treatment begins.
Step One: Crossing the Blockage
Using a guidewire, the interventionalist navigates across the narrowed or occluded segment of the artery. For a straightforward narrowing this step is usually quick, though more complex blockages, particularly chronic total occlusions, can require specialized wires and techniques to cross safely.
Step Two: Angioplasty to Open the Artery
Once the wire has crossed the blockage, a balloon catheter is typically advanced to the site and inflated, physically widening the narrowed segment by compressing plaque against the vessel wall. This step, called angioplasty, restores some degree of blood flow on its own, though the artery may not stay open long-term without additional support in many cases.
Step Three: Stent Deployment
If the angioplasty result is not durable enough on its own — for example, if there is significant recoil of the vessel or a flow-limiting dissection — a stent is deployed to hold the artery open. Self-expanding nitinol stents are commonly used in peripheral arteries because they can flex with the vessel's natural movement, which is particularly relevant in areas subject to bending and compression, such as around the hip or knee. INVAMED's Atlas Peripheral Stent System is a self-expanding, laser-cut nitinol stent designed for iliac and related lesions following angioplasty, with a triaxial delivery shaft and radiopaque markers to support precise placement, according to manufacturer-reported specifications. More detail is available on the peripheral arterial disease product page.
Step Four: Confirming the Result
After stent deployment, final angiographic images are taken to confirm the artery is adequately open and that blood flow has improved. The interventionalist checks for any residual narrowing, dissection, or other issues before concluding the procedure and removing the catheters and sheath.
After the Procedure
Most leg stent procedures are completed within one to two hours, though this varies with the complexity of the blockage. Patients are typically monitored for a few hours afterward, with attention to the access site for any signs of bleeding, before being discharged the same day or, occasionally, after an overnight stay. A qualified physician provides specific aftercare instructions, including any antiplatelet medication regimen, based on the individual procedure performed.
How long does recovery take after a leg stent procedure?
Many patients resume light activity within a day or two, with a gradual return to more strenuous activity over the following couple of weeks, though this varies based on the artery treated and the patient's overall health. The treating physician provides individualized guidance on activity resumption and follow-up.
Device availability and regulatory status vary by country. Please contact INVAMED or your authorized local distributor for current regulatory information applicable to your region.