Well, another thing that should be taken into account is that people who have undergone heart surgery or, for example, heart stents, have the question that, well, we probably can't do any surgery anymore. It should be noted that when you have cardiac stents placed for your heart colleagues or open coronary artery bypass surgeries are performed, these are done with the aim of increasing the performance and improving the performance of your heart. This means you have a healthier heart than before. Therefore, surgery is not necessarily dangerous for anyone who has undergone these operations; This means that he can be easily re-evaluated by cardiologists, his pre-operative medications are adjusted, and special instructions and tips that the anesthesiologists must follow during the operation are issued, and he can undergo knee joint replacement again.