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Updated: Mar 18, 2026

Author Spotlight: Unraveling the Molecular Mechanisms in PCO and Fibrosis Following Cataract Surgery
Published on: December 1, 2023
Cataract increases the risk of peripheral artery occlusive disease: A nationwide population-based cohort study with
Wei-Syun Hu1, Cheng-Li Lin2, Chih-Yang Huang3
1School of Medicine, College of Medicine, China Medical University, Taichung 40402, Taiwan; Division of Cardiovascular Medicine, Department of Medicine, China Medical University Hospital, Taichung 40447, Taiwan.
Purpose:
We conducted this study to evaluate the risk of peripheral artery occlusive disease (PAOD) among patients with cataracts.
Methods:
We analyzed the data from Taiwan National Health Insurance Research Database. Study participants were classified into the cataract group and the non-cataract group between 2000 and 2010. All patients were observed from the index year until PAOD diagnosis, loss to follow up, or the end of 2011. Both study groups were 1:1 matching based upon a propensity score. We used a cox proportional hazards regression model to assess the hazard ratio (HR) and 95% confidence interval (CI) of PAOD for the cataract cohort compared with the non-cataract cohort.
Results:
After adjustment for age, sex and comorbidities, the risk of PAOD was significantly higher in the cataract cohort [adjusted HR (aHR)=1.48, 95% CI=1.38-1.58] than the non-cataract cohort.
Conclusions:
We found that patients with cataracts had a 1.48-fold increased risk of developing PAOD compared to the non-cataract patients.
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Relative Risk