All patients with stenosis, who have stents, need regular long-term medication. Like renal artery stenting just done, the same need for double antibiotic treatment. What does double antibiotic mean? It means aspirin plus clopidogrel, which is a double antibiotic. It also includes statin therapy, which is mandatory. After three months, you can switch to monotherapy. There are also conventional risk factor control, such as hypertension, certainly need to take long-term antihypertensive drugs, high blood pressure, diabetes, must be long-term medication to control blood sugar, blood pressure. But also some patients with hyperhomocysteinemia, hyperuricemia, also need long-term medication.