Preoperative evaluation value of aortic arch lesions by multidetector computed tomography angiography in type A aortic dissection.
The purpose of this study was to preoperatively evaluate the value of aortic arch lesions by multidetector computed tomography (MDCT) angiography in type A aortic dissection (AD).From January 2013 to December 2015, we enrolled 42 patients with type A AD who underwent MDCT angiography in our hospital. The institutional database of patients was retrospectively reviewed to identify MDCT angiography examinations for type A AD. Surgical corrections were conducted in all patients to confirm diagnostic accuracy.In this study, the diagnostic accuracy of MDCT angiography was 100% in all 42 patients. The intimal tear site locations that were identified in patients included the ascending aorta (n = 25), aortic arch (n = 12), and all other sites (n = 5). Compared with the control group, there were significant differences in the aortic arch anatomy among the cases. Regarding the distance between the left common carotid and left subclavian arteries, compared with the control group, most cases with type A AD had a significant variation.MDCT angiography plays an important role in detecting aortic arch lesions of type A AD, especially in determining the location of the intimal entry site and change of branch blood vessels. Surgeons can formulate an appropriate operating plan, according to the preoperative MDCT diagnosis information.
aDepartment of Radiology, The Second Affiliated Hospital, Fujian Medical University, Quanzhou bDepartment of Cardiovascular Surgery, Union Hospital, Fujian Medical University, Fuzhou, P.R. China.
Fang
F
Huang
Qiang
Q
Chen
Qing-Quan
QQ
Lai
Wen-Han
WH
Huang
Hong
H
Wu
Wei-Cheng
WC
Li
D000784:Aortic Dissection / Q000175:diagnosis*; D001013:Aorta, Thoracic / Q000000981:diagnostic imaging*; D017545:Aortic Aneurysm, Thoracic / Q000175:diagnosis*; D000072226:Computed Tomography Angiography / Q000379:methods*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D061330:Multidetector Computed Tomography / Q000379:methods*; D015203:Reproducibility of Results; D012189:Retrospective Studies
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