Carotid stiffness is significantly correlated with wall-to-lumen ratio of retinal arterioles

Carotid stiffness is significantly correlated with wall-to-lumen ratio of retinal arterioles Backgroud and purpose:Wall-to-lumen ratio of retinal arterioles (W/L ratio) might serve as an in-vivo parameter of microvascular damage. No study has investigated the relationship between carotid stiffness and W/L ratio of retinal arteries. Therefore, the aim of the current study was to assess the correlation between local carotid stiffness, as assessed by echotracking technique, and W/L ratio of retinal arterioles, as assessed by noninvasive flowmetry in normotensive patients and in patients with primary hypertension.Methods:Two hundred and twenty-seven patients underwent renal arteries W/L ratio and local carotid-pulse wave velocity (carotid PWV) measurement. One hundred and fifteen patients had a diagnosis of primary hypertension, whereas 112 were normotensive patients.Results:W/L ratio and carotid PWV were both related with clinic SBP (r = 0.17, P < 0.05; r = 0.50, P < 0.001), clinic pulse pressure (r = 0.22, P < 0.001; r = 0.55, P < 0.001), carotid SBP (r = 0.18, P < 0.05; r = 0.51, P < 0.001) and carotid pulse pressure (r = 0.24, P < 0.001; r = 0.56, P < 0.001). W/L ratio was correlated with carotid PWV (r = 0.18, P < 0.005). At multivariate analysis, carotid PWV remained independently associated with W/L ratio.Conclusion:In hypertensive and normotensive patients, carotid stiffness is significantly correlated with W/L ratio of retinal arteries, independently of possible confounders. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Hypertension Wolters Kluwer Health

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Publisher
Wolters Kluwer Health
Copyright
Copyright © 2018 Wolters Kluwer Health, Inc. All rights reserved.
ISSN
0263-6352
eISSN
1473-5598
D.O.I.
10.1097/HJH.0000000000001595
Publisher site
See Article on Publisher Site

Abstract

Backgroud and purpose:Wall-to-lumen ratio of retinal arterioles (W/L ratio) might serve as an in-vivo parameter of microvascular damage. No study has investigated the relationship between carotid stiffness and W/L ratio of retinal arteries. Therefore, the aim of the current study was to assess the correlation between local carotid stiffness, as assessed by echotracking technique, and W/L ratio of retinal arterioles, as assessed by noninvasive flowmetry in normotensive patients and in patients with primary hypertension.Methods:Two hundred and twenty-seven patients underwent renal arteries W/L ratio and local carotid-pulse wave velocity (carotid PWV) measurement. One hundred and fifteen patients had a diagnosis of primary hypertension, whereas 112 were normotensive patients.Results:W/L ratio and carotid PWV were both related with clinic SBP (r = 0.17, P < 0.05; r = 0.50, P < 0.001), clinic pulse pressure (r = 0.22, P < 0.001; r = 0.55, P < 0.001), carotid SBP (r = 0.18, P < 0.05; r = 0.51, P < 0.001) and carotid pulse pressure (r = 0.24, P < 0.001; r = 0.56, P < 0.001). W/L ratio was correlated with carotid PWV (r = 0.18, P < 0.005). At multivariate analysis, carotid PWV remained independently associated with W/L ratio.Conclusion:In hypertensive and normotensive patients, carotid stiffness is significantly correlated with W/L ratio of retinal arteries, independently of possible confounders.

Journal

Journal of HypertensionWolters Kluwer Health

Published: Mar 1, 2018

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