Autopsy revealed that the cause of death was an acute aortic dissection. aorta as type A, regardless of the site of intimal tear, and all other dissections as type. Type I - Originates in ascending aorta, propagates at least to the aortic arch and often International Registry of Acute Aortic Dissection (IRAD). Download figure · Download PowerPoint An aortic dissection is a tear in the inner layer of the aortic wall, which allows blood to enter into the wall If the dissection involves only the descending aorta (type B), medical treatment is indicated. Describe the most common classification systems of aortic dissection (Todd) Stanford: Type A: Involving the ascending aorta (with or without descending aortic. Rupture (free or contained). Shock. Malperfusion. Uncontrolled pain or hypertension. Acute Aortic Dissection (AAD). Consider AAD in all patients presenting with. Teaching repair of acute type A aortic dissection taxes even master surgical educators. These operations are emergencies, require complex surgical decision . •short term (in-hospital and 30 day) mortality: % - 25%. Acute aortic syndromes. Natural History of Type A Dissection. (approx 60% of dissections are Type A). Discuss different types and pathologies of aortic disease. For ascending aortic aneurysms, yearly risk of rupture, dissection, or death at 6 cm is %!. First successful outcome of modern treatment of aortic dissection was attributed to Dr. DeBakey in his Should be treated like an acute type A aortic dissection. Predicting Death in Type A Aortic Dissection (Mehta et al. Circulation. ; ) □ Evaluated patients enrolled in IRAD from Jan.