Type A aortic dissection - Thoracic Imaging


Title: Thoracic Imaging - Type A aortic dissection
Diagnosis: Type A aortic dissection
Author: Martins Martina
Comment: Howarth Nigel
Hospital: HUG
Department: Département de Radiologie
State: Terminée
Date: 21.03.2003
: 3446
KeyWords: Aortic dissection; intima flap
Anatomy: Mediastinum
Chapter: Mediastinum
ACR: 8.74


Clinical Presentation: Retrosternal chest pain; asymmetric pulse inthe upper limbs;
tachypnea.
Comment: Aortic dissection typically affects the thoracic aorta.There is a strong
correlation with high blood pressure and malesex. Surgeons used the Stanford
classification: type A (ascendingaorta) and type B (aortic arch and descending aorta). The
prognosisin type A is worse than in type B, requiring surgery. Type B may betreated
conservatively.
Description: Chest CT shows an intimal flap separating a truechannel from a false
channel in the aortic arch (image 1), theascending aorta and the descending aorta
(images 2 and3).


Order: 0
Dislocation: 0
Polytrauma: 0
Open: 0
Pathologic: 0
Operation: 00.00.00
Graft: 0


References: Kazui T, Washiyama N, Bashar AH, Terada H, Suzuki T.Surgical
outcome of acute type A aortic dissection: analysis ofrisk factors. Ann Thorac Surg
2002;74:75-81. Khan IA, Nair CK.Clinical, diagnostic, and management perspectives of
aorticdissection. Chest 2002; 122:311-28. Henning RJ, Eikman E, SiddiquePatel M. Acute
and chronic aortic dissection. Heart Dis2002;4:231-41. Erbel R, Alfonso F, Boileau C, et
al. Diagnosis andmanagement of aortic dissection. Eur Heart J2001;22:1642-81.

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