1名（5.88%）43岁（患者4）既往有冠心病、高血压、高脂血症病史的

One (5.88%) 43-year-old (patient 4) male patient with a history of coronary heart disease, hypertension, and hyperlipidemia died during hospitalization. The patient underwent splenectomy due to a car accident 5 years before the hospitalization. This time, Bentall was performed for aortic root aneurysm, aortic arch descending pseudoaneurysm, type B aortic dissection, coronary atherosclerotic heart disease Aortic root replacement surgery, coronary artery bypass surgery and intraoperative stent implantation. The operation process was smooth. The patient was successfully removed after tracheal intubation and returned to the general ward by the ICU. Sudden severe chest pain 3 days after surgery, loss of consciousness, blood pressure disappeared, and breathing stopped. Arterial rupture and death.

One (5.88%) 43-year-old (patient 4) had a history of coronary heart disease, hypertension and hyperlipidemia and died during hospitalization. The patient in this hospital 5 years ago had a car accident trauma spleen excision, this time due to aortic root tumor, aortic arch apoerotic pseudo-aneurysm, B-type aortic mezzanine, coronary atherosclerotic heart disease line Bentall aortic root replacement, coronary artery bypass surgery and in-surgery stent artificial hemangioid. The procedure went smoothly, the patient was successfully removed by the TRAC pipe after waking up and returned to the general ward by the ICU, 3 days after the operation sudden severe chest pain, loss of consciousness, loss of blood pressure, respiratory stop, considered for the surgical stent artificial blood vessels far end of the aorta rupture death.

One (5.88%) 43 year old (patient 4) male patient with previous history of coronary heart disease, hypertension and hyperlipidemia died in hospital. Five years before the hospitalization, the patient had undergone splenectomy due to traffic accident injury, Bentall aortic root replacement, coronary artery bypass grafting and intraoperative stent implantation due to aortic root aneurysm, aortic arch descending pseudoaneurysm, type B aortic dissection and coronary atherosclerotic heart disease. During the operation, the tracheal intubation was successfully removed and the patient was returned to the general ward from the ICU after waking up. Severe chest pain, loss of consciousness, disappearance of blood pressure, and respiratory arrest occurred 3 days after the operation. The death of distal descending aorta rupture of stent artificial blood vessel was considered.