Drug eluting self-expanding stents combine the structural support of a metal scaffold with the biological benefits of local drug delivery. Designed primarily for use in the superficial femoral and popliteal arteries, these stents are coated with paclitaxel, which is gradually released to inhibit smooth muscle cell proliferation and reduce the risk of in-stent restenosis. The self-expanding design allows the stent to adapt to the natural movement of vessels in the leg, reducing the risk of stent fracture and improving long-term performance in an anatomically demanding environment.
At Perth Vascular Clinic, drug eluting stents are considered when plain balloon angioplasty or conventional bare metal stenting is unlikely to deliver durable results. Careful patient selection and detailed lesion assessment guide the decision to use this technology, ensuring that patients most likely to benefit from drug elution receive this treatment option.
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Frequently Asked Questions
A drug-eluting self-expanding stent is a flexible mesh tube, coated with a drug that inhibits tissue regrowth, used to hold open a blocked or narrowed artery. Unlike balloon-expandable stents, self-expanding stents are made from shape-memory alloys such as nitinol and are particularly suited to arteries in locations subject to external compression or movement, such as the femoral artery.