Case Inclusion Criteria:
- Subject who was diagnosed as thoracic aortic aneurysm/dissection by CT angiography, interventional angiography or vascular ultrasound;
- Age is less than 80 years old;
- male and non pregnancy female;
- Subject understands study requirements aand agrees to sign an informed consent form prior to any study procedures.
Case Exclusion Criteria:
Subject has one of the following:
- Pseudoaneurysm;
- Previous infection or trauma in the damaged part of aorta;
- Pregnancy female;
- Participate in other clinical trials in the last 1 months.
Control Inclusion Criteria:
- Age and gender are matched with cases;
- No aortic disease was detected by outpatient ultrasound;
- No family history of cardiovascular disease;
- Normal biochemical indicators;
Criteria for culling, shedding and suspension testing:
- Culling: Unqualified cases and controls. Data of culled subjects can not be used for statistical analysis;
- Shedding: Subject that self withdrawal, loss to follow-up, or quitted by doctors; Reasons for shedding should be indicated for each shed subject.
- Suspension: a) The researchers found significant safety problems or wrong study design; b) Researchers cannot continue clinical research due to funding or management reasons; c) Director ends the study. When suspension happens, all the CRF table should be reserved for future reference.