Durability of coronary stents

The article was professionally consulted with Specialist Doctor II Nguyen Quoc Viet - Interventional Cardiologist - Department of Medical Examination & Internal Medicine - Vinmec Danang International General Hospital.

A coronary stent is a metal or polymer mesh framework that may or may not be coated. Drug-eluting stents are coated with a special drug that prevents the progression of scar tissue, keeps the vessel lumen smooth, and limits the rate of restenosis compared with conventional stents.
Coronary stenting is a percutaneous coronary intervention technique by bringing the stent to the site of blockage, helping to widen the lumen and prevent stenosis. Coronary stenting helps patients with coronary stenosis avoid the risk of death when experiencing acute coronary syndrome and improve angina caused by coronary artery stenosis.

Coronary stents can last a lifetime, but the anti-embolism effect only lasts a certain time, from a few months to 10 to 15 years, depending on the type of stent, placement technique, placement as well as compliance. patient's treatment.
The effective time of coronary stenting depends on the following factors:
Scar tissue proliferation: during the stenting procedure can damage blood vessels leading to scar tissue formation, increasing the risk of coronary artery disease. narrow re-occlusion. Blood clots: the formation of blood clots in the lumen also reduces the effectiveness of the stent, causing angina, which can lead to acute myocardial infarction. Atheroma: Unscientific diet, exercise as well as the body of each person can lead to the formation of atheroma. Type of stent used: each type of stent, depending on the material and manufacturing method, has a different lifespan. Bare metal-frame stents may be permanent, but are less durable and have a higher risk of thrombosis. The absorbable stent will dissolve into the bloodstream and disappear after about 3 to 5 years. Drug-eluting stents, especially dual-therapy stents, can last a lifetime and will last the longest. Choosing the right type of stent depends on the economic condition and condition of the patient as well as the facilities at the hospital.

Patients consciously adhere to treatment and change their lifestyle plays a decisive role in maintaining the function and prolonging the effective duration of the stent. To reduce the risk of re-occlusion and prevent complications after coronary stenting, patients should pay attention to the following:
During the first 1 month after stenting, the patient should limit vigorous physical activity. Should exercise moderately with increasing intensity, rest as soon as chest pain, shortness of breath. Take the medicine as prescribed by your doctor, never stop taking it on your own. Patients should get into the habit of taking their medicine at a fixed time of the day to avoid forgetting. Follow-up appointment on schedule. Limit eating foods high in fat such as fat, animal organs. Reduce the amount of sugar and salt in the daily diet, increase fresh vegetables and fruits. Do not smoke, do not drink alcohol and use stimulants, avoid stress. Coronary stenting is a technique that requires a high level of experience of the doctor and the perfect coordination of the team. At Vinmec International General Hospital, with a team of specialists with many years of experience in specialized fields, with complete and modern specialized equipment. Cathlab room with state-of-the-art equipment such as DSA angiography machine, meets the requirements of coronary angiography and intervention with the most modern minimally invasive techniques, increasing the lifespan and durability of coronary stents.
Especially, in the inpatient area with a completely separate disease prevention system, full of supporting equipment and facilities. In addition, Vinmec also has a clinic equipped with advanced cardiovascular diagnostic equipment such as 2D and 3D echocardiography machines with full features of transesophageal and chest wall ultrasound, electrocardiogram machine, blood Holter machine. pressure, Holter electrocardiogram machine, stress ECG machine... bring optimal treatment results for customers.