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Abdominal aortic aneurysm rupture CT aortography analysis
- Abdominal aortic aneurysm rupture CT aortography analysis
- Lee K.M.; Choi S.Y.; Kim M.U.; Lee D.Y.; Kim K.A.; Park S.; Sun Z.
- Ewha Authors
- 최선영; 박상희; 김민욱
- SCOPUS Author ID
- 최선영; 박상희
- Issue Date
- Journal Title
- Medicine (United States)
- vol. 96, no. 25
- 3-dimensional CT angiography; Abdominal aortic aneurysm; Precipitating factors; Ruptured aortic aneurysm
- Lippincott Williams and Wilkins
- SCI; SCIE; SCOPUS
- The aim of this study was to analyze the anatomical characteristics of patients with ruptured abdominal aortic aneurysms (AAAs) using computed tomography (CT) aortography in order to determine the risk factors for rupture. We retrospectively reviewed the CT aortography findings and medical records of patients with ruptured AAAs who underwent CT aortography between February 2002 and December 2014. Age, sex, blood pressure at the time of rupture, treatment methods used for the ruptured AAAs, and treatment outcomes were analyzed. Statistical analyses were performed to determine the association between the maximum aneurysm diameter, which is considered the standard predictor of aneurysm rupture, and anatomical characteristics such as proximal neck diameter, angle between the suprarenal aorta and the aneurysm neck (β angle), angle between the aneurysm neck and aneurysm sac (β angle), and angles between the abdominal aorta and both iliac arteries. Data were reviewed for a total of 36 patients. The mean maximum diameter of AAAs was 76.84±21.08mm. Multivariate analysis adjusted for age and sex indicated statistical correlations between the α and β angles and maximum aneurysm diameter and between the β angle and iliac artery involvement. Our results suggest that the tortuosity of the aorta tends to be associated with the diameter of AAAs and iliac artery involvement. Investigation of the anatomical characteristics of individual patients using CT aortography is expected to aid in predicting the risk of AAA rupture. © 2017 the Author(s).
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