Cardiac stent surgery was once considered a “miracle tool” for treating coronary heart disease in the past. As stenting became more and more widespread and mature, it was gradually deified. The overuse of some stent procedures has led to some controversy and questions about the use of cardiac stents in public opinion and even in the medical community. In recent years, the argument that heart stent surgery is demonized began to appear in front of the public in various guises: heart stent is a time bomb in the human body, the interest of heart stent is more profitable than selling drugs, heart stent technology has long been eliminated in foreign countries …… go down the altar of heart stent, how will face the onslaught of all kinds of questions? A. Is the heart stent a time bomb in the body? Some people say that after the heart stent surgery, it means that a time bomb is buried in the body and will die within 3 minutes after the attack, which is faster than the 12-minute death of myocardial infarction. So, is a heart stent a ticking time bomb or not? Yes, even if there is only a one percent chance of causing a blood clot and sudden death, it is still a time bomb. But to release or not to release? It should be released, because coronary heart disease is a bomb that will explode soon, as long as the advantages outweigh the disadvantages. After stent implantation, about 5% of patients will have stenosis again at the stent, which can be solved by drugs, stenting again or coronary artery bypass, and also by using the latest drug-coated balloon to expand the stenosis; very few patients may form acute thrombosis within a year, once the formation of thrombosis is equivalent to an acute heart attack, and in fact the mortality rate of heart attack has dropped to less than 6% due to medical advances and the popularity of stenting Therefore, stents are not as terrible as rumors, and this risk is almost non-existent for most patients after one year. Second, the interest of heart stent is more profitable than buying drugs? There are rumors that stent surgery abroad costs only $500 to $800, while domestic stents go through layers of price increases to the patient is 20,000 to 30,000. Is it really true that it is much cheaper to have stent surgery abroad than at home? Data from the United States in 2007 showed that the cheapest bare metal stent with a relatively high restenosis rate required $800, which is just the price of a bare metal stent, plus the high cost of surgery far beyond China. Complex cases may require multiple stents, along with a combination of other operations such as rotary grinding, intravascular ultrasound, pressure guidewires, etc. High risk patients may also require balloon counterpulsation, hemofiltration, which may cost more, and the cost of doing a complex patient may be in the tens of thousands of dollars. They place more emphasis on putting the cost of care on the cost of labor and are more concerned with reflecting the value of the physician. The cost may vary greatly from patient to patient, and it is meaningless to make a simple comparison. As for the price of domestic stents, which is currently around 10,000 and some have been less than 10,000, the rumors are obviously unfounded. Third, heart stent technology has long been eliminated in foreign countries? The rumor that the stent surgery commonly used in China was eliminated in foreign countries in the 1970s and 1980s, and the first human heart stent surgery was only successful in 1986, the rumor that the stent surgery was eliminated abroad long ago is simply nonsense. Various medical data show that due to the small trauma of heart stent surgery and fast recovery of patients, it has developed rapidly in recent years and has now become one of the three major treatment means alongside with drug treatment and surgery. Cardiac stenting technology is still the routine and preferred treatment for most patients with coronary heart disease at home and abroad. By 1997, more than one million patients worldwide had been treated with cardiac stents. Currently, more than 1 million cases of cardiac stents are completed in the United States and more than 400,000 cases of cardiac stents are completed in China each year. Fourth, cardiac stents are misused? In the 10 years or so when stents first appeared, both doctors and patients were overly deified by stents due to the small number of cases, limitations of clinical experience, and lack of guidance of relevant norms and guidelines. It once happened that patients wanted to improve the quality of their survival and took the initiative to ask their doctors to put in more stents for them, and some doctors had also advised patients to implant more stents in the hope of making their treatment results close to perfect. In recent years, doctors have begun to realize that stent implantation should be “sufficient”, but it is difficult to determine how many stents should be implanted because it is difficult to grasp the proportion of “sufficient”. V. Which coronary lesions must be done for cardiac stenting? 1.Acute myocardial infarction should be done as soon as possible, the mortality rate of infarction is about 15% in the era without stent, and it can be reduced to 3%~6% after emergency stenting; 2.High-risk patients with obvious myocardial ischemia; 3.For more stable patients, the decision should be made based on the condition, imaging results, intravascular ultrasound and pressure guidewire measurement, etc.