Endovascular Graft Anchoring Different Regions of Ascending Aorta in the Treatment of Ascending Aortic Dissection

Exclusion Criteria

• •Import difficult, such as external iliac artery diameter is less than 6 mm bilateral iliac, artery stenosis distortions;
• •Patients with severe comorbidities, such as severe myocardial insufficient blood supply, heart failure, arrhythmia, severe renal dysfunction, and severe blood coagulation dysfunction;
• •Patients with malignant tumor, or other serious illness, life expectancy of less than 1 year；
• •Puncture local infection and high fever;⑤ within 1 month of the large area;
• •Contrast media in patients with cerebrovascular accident or digestive tract hemorrhage patients with allergies;
• •Aortic ulcer or aortic wall hematoma and other atypical dissection.