Recently, some patients asked me why we use interventional therapy, also known as “stenting”, for some patients and coronary artery bypass surgery for some patients with the same coronary heart disease. In fact, both interventional treatment and coronary artery bypass surgery have their indications and contraindications, so let me explain this issue. What is coronary stenting? Coronary stenting is a treatment method to improve myocardial perfusion by unblocking the narrowed or even occluded coronary artery lumen via cardiac catheterization technique. Usually a guidewire is inserted after puncturing the radial artery in the right hand or femoral artery in the thigh, and then a stent is placed after imaging. Coronary stenting is favored by heart patients because of its minimal trauma, quick recovery and immediate results. Which patients are indicated for coronary stenting? As I mentioned before, stents are not a panacea, meaning that not all patients with coronary artery disease are suitable for “stenting”. Interventional therapy requires certain indications for the procedure, such as coronary stenting as an effective way to relieve symptoms in patients with chronic stable coronary artery disease with evidence of widespread myocardial ischemia. In cases such as acute myocardial infarction, stenosis reaching >50% of the left main stem of the coronary artery, and stenosis of >70% in any vessel, the hospital will perform cardiac stenting with the patient’s consent. If the situation is not serious, medication may be considered first. So what is coronary artery bypass grafting? Coronary artery bypass grafting (CABG for short) takes the patient’s own saphenous vein, radial artery or internal mammary artery to re-establish a vascular channel between the proximal and distal ends of the narrowed coronary artery, allowing blood to bypass the narrowed area and reach the distal end, thereby improving myocardial ischemia and hypoxia. As for which patients are suitable for coronary artery bypass grafting? It mainly includes people with partial left main stem lesions, trifurcation lesions; patients with diabetes, trifurcation lesions, etc. Coronary artery bypass surgery is a “big battle”, which can solve serious coronary artery lesions, but requires general anesthesia, tracheal intubation, extracorporeal circulation, long operation time and long hospital stay. As interventional techniques continue to mature and new devices emerge, the indications for coronary stent implantation are expanding, and stent intervention requires only local anesthesia, as long as the radial artery in the right hand or femoral artery in the thigh is punctured. However, not all patients are suitable for stent intervention. Patients with diabetes or multiple lesions have a higher chance of restenosis or thrombosis after surgery, and certain patients with severe coronary lesions or cardiac insufficiency require surgical treatment. Therefore, there is no difference between coronary stenting and coronary artery bypass grafting, only the appropriateness. At present, the development of these two procedures in China has matured, especially stent intervention has been widely used in recent years, and the results are quite remarkable. Patients should trust that their primary care physicians will choose the most suitable treatment for you, and if you have any questions, you can communicate with your physician, so that you can eliminate your doubts and learn more about the disease.