Data reported by the international registry of acute aortic dissection (IRAD) in not sufficient to reflect clinical characteristics of acute aortic dissection in China. Moreover, clinical characteristics of Acute aortic dissection have not evaluated to data. The aim of this study is analyze changing trend of clinical characteristics of Chinese patients with acute aortic dissection.

Acute aortic dissection is the most common aortic emergency, with an annual incidence of 3-5 cases per 100 000 population. About 50% of these patients are dead within 48 hours, if untreated. To assess the clinical manifestation, diagnosis, management, and outcomes of patients with AAD, the International Registry of Acute Aortic Dissection (IRAD) was established in 1996, and has grown to include about 2000 patients from 26 large referral centers to date. All patients from IRAD are caucasians from developed countries wiht advanced medical care, however, the proportion of Asian is very low. Data reported by the IRAD in not sufficient to reflect clinical characteristics of Acute aortic dissection in China. Clinical characteristics of Chinese patients with acute aortic dissection have not evaluated to data. The aim of this study is to analyze clinical characteristics of Chinese patients with acute aortic dissection and clinical trend of acute aortic dissection.

Inclusion Criteria:

• Clinical diagnosis of acute aortic dissection
• Type A dissection
• Type B dissection
• Retrograde type B dissection

Exclusion Criteria:

• Aortic aneurysm
• Myocardial infarction
• Cerebral accident
• Active infection
• Unwillingness to cooperation with study procedures or follow-up visits

Chinese patients suffering acute aortic dissection