Using keywords (main) artery dissection aneurysm (main) artery haematoma (main) To diagnose X-ray imaging reports and medical record home page is a search, check the unit 11 hospitals in Zhejiang Province during the year aortic injury clinical data of 11 years, through the electronic questionnaire to fill in the form of information, information of diagnosis and treatment of the basic information for the patient injury mechanism and so on carries on the statistical analysis. Basic information includes gender, age, history of hypertension. Injury information includes injury mechanism information and trauma information. Injury mechanism refers to injuries caused by car accidents, high falls and other causes. Injury information includes diagnosis, injury severity score, Glasgow coma index, and Stanford classification of aortic injury. The information of diagnosis and treatment includes the method of treatment, the reason for referral, the time of definitive treatment and the prognosis. The method of treatment is divided into the first treatment group and the referral group. The first treatment group refers to the patients admitted by the hospital for the first time, and the referral group refers to the patients transferred from other hospitals. The reasons for referral include: the suggestion of the hospital after comprehensive consideration, the lack of diagnosis and treatment qualification of the hospital, the subjective will of the patient's family members. Deterministic treatment time refers to the time from injury to imaging examination and the time from injury to surgery and other data to be statistically analyzed.

Inclusion Criteria:

• Diagnosis of trauma patients with aortic dissection (aortic aneurysm) (aortic hematoma)

Exclusion Criteria:

• Patients with primary aortic dissection, limb pseudoaneurysm, non-aortic associated hematoma, etc.Incomplete or lost data, patients refused

Trauma patients