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Ascending aortic distensibility and target organ damage in primary hypertension without diabetes

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Abstract

To investigate the relationship between ascending aortic distensibility (AAD) and hypertensive target organ damage (TOD) and its potential value in prediction. One hundred and sixty seven primary hypertension inpatients who underwent coronary CTA examination were enrolled into our study. Retrospective ECG-triggering scanning mode were applied and the images were reconstructed every 5% phase in the entire R–R interval. Maximum and minimum ascending aortic areas as well as the AAD value were calculated on the interested slice. AAD (P < 0.001) and brachial-ankle pulse wave velocity (baPWV, P < 0.05) were changed significantly as the deterioration of TOD. Multivariate logistic regression analysis between TOD and its possible influence factors indicated that AAD was the only independent risk factor for the presence and severity of TOD. One standard deviation decrease on AAD would increase the risk of TOD significantly: TOD1 (odds ratio 0.45, P < 0.05), TOD2 (odds ratio 0.23, P < 0.05), and TOD3 (odds ratio 0.01, P < 0.05). The odds ratio of TOD in the third tertile group was found 5.47 times higher than that in the second tertile group, and the second tertile group TOD odds ratio was 6.4 times higher than that in the first tertile group. Decline of AAD can be taken as the independent predict factor for TOD in primary hypertension patients, superior to baPWV method and other conventional predictors. Without additional contrast media consumption and radiation dose, AAD derived from coronary CTA may provide early detection for hypertensive TOD.

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Authors and Affiliations

  1. Department of Cardiovascular Radiology, The First Affiliated Hospital of Dalian Medical University, 222#, Zhong Shan Road, Dalian, 116011, Liaoning, China

    Chong-fu Jia, Zhao-qian Wang, Xi-xia Sun, Zhi-qiang Yang & Yu-jie Zou

  2. Department of Cardiology, The First Affiliated Hospital of Dalian Medical University, 222#, Zhong Shan Road, Dalian, 116011, Liaoning, China

    Yi-nong Jiang

Authors
  1. Chong-fu Jia
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  2. Zhao-qian Wang
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  3. Xi-xia Sun
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  4. Zhi-qiang Yang
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  5. Yu-jie Zou
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  6. Yi-nong Jiang
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Correspondence to Zhao-qian Wang or Yi-nong Jiang.

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All authors in our study declare that we have no conflict of interest.

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The content of this study is proved by the institution ethics committee of the first affiliated hospital of Dalian Medical University. Our public trials registry number is ChiCTR-RIC-15007482.

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Informed consent was obtained from all individual participants included in the study.

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Jia, Cf., Wang, Zq., Sun, Xx. et al. Ascending aortic distensibility and target organ damage in primary hypertension without diabetes. Int J Cardiovasc Imaging 33, 1245–1251 (2017). https://doi.org/10.1007/s10554-017-1099-x

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  • DOI: https://doi.org/10.1007/s10554-017-1099-x

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