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Quantitative Micro-CT Analysis of Aortopathy in a Mouse Model of β-aminopropionitrile-induced Aortic Aneurysm and Dissection
Published on: July 16, 2018
Can chest CT be used to exclude aortic injury?
D S Dyer1, E E Moore, M F Mestek
1Dept of Radiology, University of Colorado Health Sciences Center, Denver 80262, USA. Deb.Dyer@UCHSC.edu
Radiology
|November 30, 1999
Summary
Chest computed tomography (CT) effectively excludes traumatic aortic injury, demonstrating 100% sensitivity and negative predictive value. This imaging technique is reliable for ruling out aortic damage in suspected cases.
Area of Science:
- Radiology
- Trauma Surgery
- Cardiovascular Imaging
Background:
- Traumatic aortic injury is a life-threatening condition requiring prompt diagnosis.
- Conventional aortography is invasive and associated with risks.
- Non-invasive imaging modalities are sought to accurately diagnose aortic injuries.
Purpose of the Study:
- To evaluate the diagnostic accuracy of chest computed tomography (CT) in excluding traumatic aortic injury.
- To determine if CT can serve as a reliable tool to rule out aortic injury, potentially avoiding further invasive procedures.
Main Methods:
- A prospective study involving 1,009 patients with suspected traumatic aortic injury over 4.5 years.
- Patients underwent either direct aortography or contrast-enhanced CT.
- Follow-up aortography was performed for moderate-to-high suspicion cases and all positive CT scans.
Main Results:
- Chest CT demonstrated 100% sensitivity and 100% negative predictive value for detecting traumatic aortic injury.
- No false-negative CT scans were identified in the study group.
- CT accurately identified mediastinal hematoma or direct signs of aortic injury.
Conclusions:
- Contrast-enhanced chest CT is a highly accurate and reliable method for excluding traumatic aortic injury.
- CT imaging can potentially replace invasive aortography in the initial evaluation of suspected aortic trauma.
- The high sensitivity and negative predictive value of CT support its use in ruling out aortic injury.
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