1. Advantages of installing cardiac stents in the elderly: People with acute myocardial infarction and severe angina pectoris are more suitable for installing coronary stents. The advantages of installing coronary stent in the elderly are that the surgical trauma is relatively small and easy to recover, which is helpful to open the coronary artery, solve the problem of myocardial blood supply, reduce the incidence of heart disease and improve the quality of life.

2. Disadvantages of installing heart stents in the elderly: the elderly have poor physical fitness and the functions of various organs in the body have declined. There is a risk of surgical infection when installing coronary stents. There is a risk of restenosis or occlusion after stent installation, and it will also lead to gastrointestinal bleeding. Patients need to see a doctor in time when they feel unwell, and actively cooperate with doctors to carry out corresponding treatment, which is conducive to physical recovery.

3. The very old refers to people over 80 years old. This group occupies an important position in society, and its proportion in the population increases with age.