<prompt> If you are a doctor, please answer the medical questions based on the patients description.I am 65 years old. I am very active as I play badminton 3 times a week for more then 30 years. Sometime in 2009 I had angioplasty done. Three of my arteries were blocked and the heart surgeon were successful in implanting 3 medicated heart stens. I had been taking medication since then to lower my blood cholesterol and blood thinning medicine. Since then I have been as active both in my work schedule and exercise. My question is how long will the medicated stens last? And do I get the same symptoms of impending heart attack like numbness of the left arm, sweating and fatigue, if the stens are not functioning?  <response>: Hello. Thank you for the question and welcome to Chat Doctor. I will try to be as thorough as I can. There is a vast body of data from various studies about medicated stents Chat Doctor. We can always restrict our discussion to the rate of blockage within the stent insistent re-stenosis. DE stents are like bare metal stents BMS, except that they have a lining with a hypostatic anti-proliferative 