Computed tomography analysis and diagnosis of infective native aortic aneurysm
HUO Zhengkun
GAO Peixian
KONG Xiangqian
ZHOU Hua
YANG Le
WU Xuejun
Abstract：Objective By comparing the CT features of infective aortic aneurysm(INAA)and non-infective aortic aneu-rysm(NIAA)to build a nomogram diagnostic model so as to determine the CT imaging differences between INAA and NIAA.Methods 87 patients with INAA and 87 patients with NIAA were selected by propensity-scoring match method.The clinical data were reported and the difference of CT characteristics between two groups was compared.The diagnostic model was built in nomogram.Results INAA had smaller diameter compared to the NIAA(56.0mm).Saccular(52.9%versus 16.1%),multilobu-lar(40.2%versus 3.4%)aneurysm were more common in INAA.Periaortic gas(37.9%versus 0%),fluid(59.8%versus 5.7%)and adjacent infection(54.0%versus 0%)were the characteristic imaging features of INAA.A nomogram model based on fea-tures as saccular,multilobular,periaortic gas,fluid and mural thrombus was constructed,which can diagnose INAA with high accuracy.Conclusions The nomogram model has a good sensitivity and specificity.Rapid progression can be indicated by the absence of calcification.The indication of the diagnosis of INAA by multiple aneurysms needs further discussion.
Keywords：Infective native aortic aneurysmAneurysmNomogram modelTomographyX-ray computed
Publication Date：2024-05-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：5( 51-55 )