Cardiac stent after half a year sudden myocardial infarction, why is stent useless?The doctor explained in detail

The patient is 56 years old and received cardiac stent implantation at the beginning of July 2021. At that time, 90% of the stenosis was angiographed and the symptoms were obvious, which seriously affected daily life. Therefore, the patient underwent stent surgery on the advice of the doctor, and the postoperative symptoms were significantly improved.However,…