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1. The relationship of retinal vessel diameters and fractal dimensions with blood pressure and cardiovascular risk factors.

Author

Pengli Zhu, Feng Huang, Fan Lin, Qiaowei Li, Yin Yuan, Zhonghai Gao, and Falin Chen

Subjects
Medicine, Science
Abstract

BACKGROUND: This study aimed to investigate the correlation between quantitative retinal vascular parameters such as central retinal arteriolar equivalent (CRAE) and retinal vascular fractal dimension (D(f)), and cardiovascular risk factors in the Chinese Han population residing in the in islands of southeast China. METHODOLOGY/PRINCIPLE FINDINGS: In this cross-sectional study, fundus photographs were collected and semi-automated analysis software was used to analyze retinal vessel diameters and fractal dimensions. Cardiovascular risk factors such as relevant medical history, blood pressure (BP), lipids, and blood glucose data were collected. Subjects had a mean age of 51.9 ± 12.0 years and included 812 (37.4%) males and 1,357 (62.6%) females. Of the subjects, 726 (33.5%) were overweight, 226 (10.4%) were obese, 272 (12.5%) had diabetes, 738 (34.0%) had hypertension, and 1,156 (53.3%) had metabolic syndrome. After controlling for the effects of potential confounders, multivariate analyses found that age (β = 0.06, P = 0.008), sex (β = 1.33, P = 0.015), mean arterial blood pressure (β = -0.12, P

Published
2014
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2. The relationship of retinal vessel diameters and fractal dimensions with blood pressure and cardiovascular risk factors

Author

Fan Lin, Falin Chen, Pengli Zhu, Feng Huang, Yin Yuan, Zhonghai Gao, and Qiaowei Li

Subjects
Male, China, medicine.medical_specialty, Clinical Pathology, Cardiovascular risk factors, Cardiology, lcsh:Medicine, Blood Pressure, Pathology and Laboratory Medicine, Bioinformatics, Vascular Medicine, Fractal dimension, chemistry.chemical_compound, Fractal, Chinese han population, Diagnostic Medicine, Risk Factors, Ophthalmology, Medicine and Health Sciences, medicine, Humans, Cardiovascular Imaging, lcsh:Science, Multidisciplinary, business.industry, lcsh:R, Biology and Life Sciences, Retinal Vessels, Retinal, Retinal vessel, Clinical Microbiology, Cross-Sectional Studies, Blood pressure, chemistry, Cardiovascular Diseases, Hypertension, Multivariate Analysis, Cardiovascular Anatomy, Female, lcsh:Q, Anatomy, business, Research Article, circulatory and respiratory physiology
Abstract

BACKGROUND: This study aimed to investigate the correlation between quantitative retinal vascular parameters such as central retinal arteriolar equivalent (CRAE) and retinal vascular fractal dimension (D(f)), and cardiovascular risk factors in the Chinese Han population residing in the in islands of southeast China. METHODOLOGY/PRINCIPLE FINDINGS: In this cross-sectional study, fundus photographs were collected and semi-automated analysis software was used to analyze retinal vessel diameters and fractal dimensions. Cardiovascular risk factors such as relevant medical history, blood pressure (BP), lipids, and blood glucose data were collected. Subjects had a mean age of 51.9 ± 12.0 years and included 812 (37.4%) males and 1,357 (62.6%) females. Of the subjects, 726 (33.5%) were overweight, 226 (10.4%) were obese, 272 (12.5%) had diabetes, 738 (34.0%) had hypertension, and 1,156 (53.3%) had metabolic syndrome. After controlling for the effects of potential confounders, multivariate analyses found that age (β = 0.06, P = 0.008), sex (β = 1.33, P = 0.015), mean arterial blood pressure (β = -0.12, P

Published
2014

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