Impact of aortic valve calcification on ascending aortic elasticity based on coronary CT angiography
10.3969/j.issn.1002-1671.2025.08.013
- VernacularTitle:基于冠状动脉CT血管成像主动脉瓣钙化对升主动脉弹性影响的研究
- Author:
Benlei XIN
1
;
Bin DOU
1
;
Changjiang LI
1
;
Yongjie YAO
1
;
Zheng LIU
1
Author Information
1. 日照市中医医院CT室,山东日照 276800
- Publication Type:Journal Article
- Keywords:
aortic valve calcification;
ascending aorta;
arterial elasticity;
computed tomography
- From:
Journal of Practical Radiology
2025;41(8):1315-1318
- CountryChina
- Language:Chinese
-
Abstract:
Objective To investigate the impact of aortic valve calcification on ascending aortic elasticity.Methods A total of 103 patients with aortic valve calcification indicated by coronary computed tomography angiography(CCTA)(calcification group),and 101 patients without aortic valve calcification(non calcification group)were selected.The calcification group was subdivided into group A,group B,and group C based on the number of calcified leaflets.The original data was automatically reconstructed at 5％R-R intervals throughout the cardiac cycle.Cross-sectional area and diameter of the ascending aorta were measured at 45 mm above the annulus,and four ascending aortic elasticity indicators aortic(％A),aortic distensibility(AD),aortic compliance(AC)and aortic stiffness index(ASI)were calculated.Agatston method was used to calculate the aortic valve calcification score.The effect of aortic valve calcification on the elasticity of the ascending aortic and its correlation were analyzed.Results The％A,AD,and AC of the calcification group were lower than those of the non calcification group,but the ASI was higher than that of the non calcification group,the difference was statistically significant(P＜0.05).The number of calcified leaflets affected ascending aortic elasticity,with comparisons between groups A and B,the difference was no statistically significant(P＞0.05),groups A and C,and groups B and C,the difference was statistically significant(P＜0.05).Calcification score was negatively correlated with％A,AD,and AC,and positively correlated with ASI.Conclusion Aortic valve calcification can affect the elasticity of the ascending aortic,and more than two calcified leaflets have more significant effects on the elasticity of the ascending aortic.
