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. 2015:2015:374616.
doi: 10.1155/2015/374616. Epub 2015 Oct 19.

Atrial Fibrillation and Coronary Artery Disease as Risk Factors of Retinal Artery Occlusion: A Nationwide Population-Based Study

Ju-Chuan Yen  1 , Hsiu-Li Lin  2 , Chia-An Hsu  3 , Yu-Chuan Jack Li  4 , Min-Huei Hsu  5
Affiliations

Atrial Fibrillation and Coronary Artery Disease as Risk Factors of Retinal Artery Occlusion: A Nationwide Population-Based Study

Ju-Chuan Yen et al. Biomed Res Int. 2015.

Abstract

We use Taiwanese national health insurance research database (NHIRD) to investigate whether thrombolism (carotid artery disease (CAD) as a surrogate) or embolism (atrial fibrillation (AF) as a surrogate) plays roles in later retinal artery occlusion (RAO) development and examine their relative weights. The relative risks of RAO between AF and CAD patients and controls were compared by estimating the crude hazard ratio with logistic regression. Kaplan-Meier analysis was used to calculate the cumulative incidence rates of developing RAO, and a log-rank test was used to analyze the differences between the survival curves. Separate Cox proportional hazard regressions were done to compute the RAO-free rate after adjusting for possible confounding factors such as age and sex. The crude hazard ratios were 7.98 for the AF group and 5.27 for the CAD group, and the adjusted hazard ratios were 8.32 and 5.34 for the AF and CAD groups, respectively. The observation time with RAO-free was shorter for AF compared with CAD group (1490 versus 1819 days). AF and CAD were both risk factors for RAO with different hazard ratios. To tackle both AF and CAD is crucial for curbing RAO.

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Figures

Figure 1
Figure 1
Kaplan-Meier survival analysis of AF patients with RAO-free time.
Figure 2
Figure 2
Kaplan-Meier survival analysis of CAD patients with RAO-free time.
See this image and copyright information in PMC

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