. Author manuscript; available in PMC: 2023 Dec 13.

Published in final edited form as: Circulation. 2022 Nov 2;146(24):e334–e482. doi: 10.1161/CIR.0000000000001106

Table 27.

Consensus Features of Complicated Acute Type B Aortic Dissection

Feature	Comment
Aortic rupture¹	This can be either free or contained (including hemothorax, increasing periaortic hematoma, or both; or mediastinal hematoma) and should be addressed promptly.
Branch artery occlusion and malperfusion²	Complete or partial occlusion of a major branch, with or without clinical evidence of ischemia; this includes visceral, renal, and peripheral arterial branches.
Extension of dissection³	Extension of the dissection flap either distally or proximally (ie, retrograde type A dissection)
Aortic enlargement	Progressive enlargement of the true, false, or both lumens while in the acute phase may require prompt intervention.
Intractable pain¹⁵
Uncontrolled hypertension¹⁵