Distinguishing acute from chronic aortic dissections using CT imaging features

被引:10
作者
Orabi, Norman A. [1 ]
Quint, Leslie E. [2 ]
Watcharotone, Kuanwong [3 ]
Nan, Bin [4 ]
Williams, David M. [2 ]
Kim, Karen M. [5 ]
机构
[1] Univ Michigan, Sch Med, Ann Arbor, MI 48109 USA
[2] Michigan Med, Dept Radiol, Ann Arbor, MI USA
[3] Univ Michigan, Michigan Inst Clin & Hlth Res, Ann Arbor, MI 48109 USA
[4] Univ Calif Irvine, Dept Stat, Irvine, CA USA
[5] Michigan Med, Dept Cardiac Surg, Ann Arbor, MI USA
关键词
Aortic dissection; Acute aortic syndromes; Computed tomography; Chronic dissection; INTERNATIONAL REGISTRY; COMPUTED-TOMOGRAPHY; FALSE LUMEN; MANAGEMENT; RUPTURE; GUIDELINES; DIAGNOSIS; ANEURYSMS; INSIGHTS; OUTCOMES;
D O I
10.1007/s10554-018-1398-x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
The aim was to compare computed tomography (CT) features in acute and chronic aortic dissections (AADs and CADs) and determine if a certain combination of imaging features was reliably predictive of the acute versus chronic nature of disease in individual patients. Consecutive patients with aortic dissection and a chest CT scan were identified, and 120 CT scans corresponding to 105 patients were reviewed for a variety of imaging features. Statistical tests assessed for differences in the frequency of these features. A predictive model was created and tested on an additional 120 CT scans from 115 patients. Statistically significant features of AAD included periaortic confluent soft tissue opacity, curved dissection flap, and highly mobile dissection flap, and features of CAD included thick dissection flap, false lumen (FL) outer wall calcification, FL thrombus, dilated FL, and tear edges curling into the FL. The model predicted the chronicity of a dissection with an area under the curve of 0.98 (CI 0.98-1.00). AADs and CADs demonstrated significantly different CT imaging features.
引用
收藏
页码:1831 / 1840
页数:10
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