Table 1 Inclusion, exclusion and withdrawn criteria

Inclusion criteria

 – Aged 18 years or older

 – Patients with diagnosis of AAS confirmed by CTA, including aortic dissection, penetrating aortic ulcer or intramural hematoma

 – Symptoms started within 14 days from surgery

 – Patients received medical therapy, open surgical, endovascular, or hybrid repair

 – Any other major cardiac surgical procedure concomitant with surgery for AAS, such as coronary artery bypass grafting or carotid artery replacement;

 – The patient or guardian agrees to participate in this study

Exclusion criteria

 – Patients aged < 18 years

 – Onset of symptoms > 14 days from surgery

 – AAS secondary to traumatic or iatrogenic injury

 – Patients who declined participation in registration and follow-up investigation

Withdrawn criteria

 -Patients presenting with one or more of the following conditions will be withdrawn from this study:

 -The patient dissatisfies the inclusion criteria

 -The patient withdraws the informed consent form

 -Any situation where the investigators believe that the patient should discontinue from this study for safety reasons or conflict of interest of the patient