PAEA Surgery End Of Rotation (EOR) Practice Exam

Which type of aortic dissection classification involves the ascending aorta?

1. DeBakey Type 1

2. DeBakey Type 2

3. DeBakey Type 3

4. Stanford Type B

The correct answer is: DeBakey Type 1

DeBakey Type 1 classification of aortic dissection is characterized by the involvement of the ascending aorta, which is a critical area since dissections in this region can lead to serious complications like aortic rupture or involvement of the aortic valve. In this type, the dissection initiates in the ascending aorta and may extend to the aortic arch and descending aorta. Understanding the context of this classification is essential. DeBakey Type 1 is recognized as one of the most critical types due to its extensive involvement, impacting clinical management. In contrast, DeBakey Type 2 involves only the ascending aorta, but does not extend beyond it; Type 3 involves the descending aorta without affecting the ascending segment. The Stanford classification complements these by categorizing dissections based on the involvement of the ascending aorta: Stanford Type A includes dissections that affect the ascending aorta, while Type B does not. In summary, DeBakey Type 1's designation as involving the ascending aorta underlines the significant risk and severity faced by patients with this type of dissection, thereby guiding appropriate management and treatment strategies.