How long do stents last after angioplasty surgery ?

The longevity of stents used in angioplasty procedures can vary depending on several factors. Generally, stents are designed to remain in the body permanently, providing support to the treated artery and preventing it from narrowing again. However, it's important to note that the long-term success of a stent depends on various factors such as the type of stent used, the location of the stent within the artery, the patient's overall health, and their adherence to lifestyle modifications and prescribed medications. In some cases, stents may develop complications or issues over time. Restenosis, which is the re-narrowing of the artery, can occur even with the presence of a stent. This can happen due to the buildup of plaque or scar tissue within or around the stent. In such cases, additional procedures or interventions may be required. It's worth noting that advances in stent technology and medical techniques have led to the development of newer-generation drug-eluting stents (DES), which release medication to help prevent restenosis. These DES have shown improved long-term outcomes compared to older bare-metal stents. Ultimately, the duration of stent effectiveness can vary among individuals. It is essential to follow up with your healthcare provider regularly and adhere to their recommendations regarding medications, lifestyle modifications, and any necessary medical procedures to ensure the long-term success of the stent and overall cardiovascular health. What are the types of stents used in angioplasty surgery ? There are several types of stents used in angioplasty surgery. The choice of stent depends on various factors, including the patient's condition, the location and size of the blocked artery, and the physician's preference. Here are some common types of stents: Bare-Metal Stents (BMS): These stents are made of metal, usually stainless steel or cobalt-chromium alloy. They provide structural support to the artery and help keep it open. BMS do not have a coating, so there is a higher risk of restenosis (re-narrowing) compared to other types of stents. Drug-Eluting Stents (DES): These stents are similar to bare-metal stents but have a coating that releases medication slowly over time. The medication is usually an anti-proliferative drug that helps prevent the growth of scar tissue and reduces the risk of restenosis. DES have shown to be effective in reducing restenosis rates compared to bare-metal stents. Bioresorbable Vascular Scaffold (BVS): Also known as bioresorbable stents, these stents are made from a biodegradable material that gradually dissolves over time. The purpose of BVS is to provide temporary support to the artery during the healing process and then naturally disappear, allowing the artery to regain its natural function. However, BVS technology is still evolving, and its usage is not as common as other stent types. Covered Stents: These stents have a fabric or polymer covering that encloses the metal stent. They are typically used in special cases where the artery has a tear or a lesion that needs to be sealed off, such as in certain types of aneurysms or arterial dissections. It's important to note that these are general categories, and there are variations and newer stent technologies being developed. The specific stent chosen for an individual patient will depend on various factors, including the clinical situation and the interventional cardiologist's judgment.