Analysis of imaging characteristics of blunt traumatic aortic dissection: an 8-year experience  被引量:1

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作  者:Li Li Li-ying Lin Yuan-qiang Lu 

机构地区:[1]Department of Emergency Medicine,the First Affi liated Hospital,School of Medicine,Zhejiang University,Hangzhou 310003,China [2]The Key Laboratory for Diagnosis and Treatment of Aging and Physic-chemical Injury Diseases of Zhejiang Province,Hangzhou 310003,China

出  处:《World Journal of Emergency Medicine》2022年第5期361-366,共6页世界急诊医学杂志(英文)

基  金:This study was supported by the National Natural Science Foundation of China(81272075 and 81801572);the Foundation of Key Discipline Construction of Zhejiang Province for Traditional Chinese Medicine(2017-XK-A36).

摘  要:BACKGROUND:Traumatic aortic dissection(TAD)has a low incidence but extremely high mortality.It always presents atypical clinical manifestations that are easily missed or misdiagnosed.This study mainly aims to describe the imaging characteristics and management of TAD patients.METHODS:A retrospective analysis of 27 blunt TAD patients was performed between 2013 and 2020.Demographic features,imaging characteristics,and management were analyzed.RESULTS:Twenty-seven patients with type B aortic dissection(age 56.04±16.07 years,20 men)were included.Aortic intimal tears were mostly initiated from the aortic isthmus.The sizes of the proximal intimal tears in the greater curvature were larger than those in the lesser curvature(1.78±0.56 cm vs.1.24±0.52 cm,P=0.031).Compared with those in the control group,the maximum diameters of the aortic arch,thoracic aorta,and abdominal aorta in the TAD patients were all significantly widened(all P<0.050).Multivariate logistic regression analysis showed that the maximum diameter of the thoracic aorta was an independent risk factor for TAD,with a predictive value with an area under the receiver operating characteristic curve(AUC)of 0.673.Finally,26 patients successfully underwent delayed thoracic endovascular aortic repair(TEVAR),and the remaining one patient was treated conservatively.No progression of aortic dissection or death occurred during the six-month follow-up period.CONCLUSIONS:In blunt trauma,the aortic isthmus is the most common site of proximal intimal tears.An accurate diagnosis of TAD requires an overall consideration of medical history and imaging characteristics.Delayed TEVAR might be an eff ective therapeutic option for TAD.

关 键 词:Blunt trauma Traumatic aortic dissection Imaging characteristic DIAGNOSIS Delayed thoracic endovascular aortic repair 

分 类 号:R654.3[医药卫生—外科学]

 

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