PAEA Surgery End Of Rotation (EOR) Practice Exam 2026 - Free Surgery EOR Practice Questions and Study Guide

Type A aortic dissection, also referred to as Type I, requires surgical repair due to its location involving the ascending aorta. This is a critical area since dissections that start here can lead to significant complications, including aortic rupture, cardiac tamponade, and impaired coronary blood flow, all of which can be life-threatening.

In contrast, Type B dissections (which begin in the descending aorta) can often be managed medically, depending on their characteristics and symptoms. The same goes for other types that do not involve the ascending aorta. Non-surgical management might be appropriate in certain cases of Type B and Type C dissections, particularly when the patient is stable and without significant complications.

The urgent nature of Type A dissections, along with the increased risk of catastrophic outcomes, necessitates prompt surgical intervention, which is why it is classified as requiring surgical repair.