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Is aspirin associated with diabetic retinopathy? The Singapore Epidemiology of Eye Disease (SEED) study.

Is aspirin associated with diabetic retinopathy? The Singapore Epidemiology of Eye Disease (SEED) study.
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Shi Y, Tham YC, Cheung N, Chua J, Tan G, Mitchell P, Wang JJ, Cheung YB, Cheng CY, Wong TY,


Shi Y, Tham YC, Cheung N, Chua J, Tan G, Mitchell P, Wang JJ, Cheung YB, Cheng CY, Wong TY, (click to view)

Shi Y, Tham YC, Cheung N, Chua J, Tan G, Mitchell P, Wang JJ, Cheung YB, Cheng CY, Wong TY,

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PloS one 2017 04 2812(4) e0175966 doi 10.1371/journal.pone.0175966
Abstract
BACKGROUND/AIMS
To determine the association between aspirin use and diabetic retinopathy (DR) among persons with diabetes, in a population-based, cross-sectional study.

METHODS
Subjects with diabetes aged >40 years from the Singapore Epidemiology of Eye Diseases Study were enrolled in this study. Retinal photographs were graded for DR according to the modified Airlie House classification system. Vision threatening diabetic retinopathy (VTDR) was defined as the presence of severe non-proliferative DR, or proliferative DR, or clinically significant macular oedema. The association between aspirin use and the presence of DR or VTDR was assessed using multivariable logistic regression models including age, gender, ethnicity, socioeconomic status, HbA1c, systolic blood pressure, anti-hypertension medicine, total cholesterol, anti-cholesterol medicine, BMI, current smoking status, diabetes duration, history of cardiovascular disease (CVD) and chronic kidney disease (CKD.).

RESULTS
A total of 2,061 participants with diabetes and complete record of relevant systemic and DR data were included. Of these, 711 (34.5%) had any stage of DR, and among these 177 (8.6%) had VTDR. After adjusting for co-variables listed, the association between aspirin use and VTDR was significant (OR = 1.69, P = 0.019), while the association between aspirin use and any DR was borderline (OR = 1.31, P = 0.063). Aspirin use was not associated with either DR or VTDR after additional adjustment of CVD and CKD. Further stratification by history of CVD or CKD showed no association between aspirin use and DR/VTDR in either subgroup.

CONCLUSION
Aspirin use was not significantly associated with DR but might be an indicator of diabetic complications (CVD, CKD) that were co-present with more severe DR type. Future longitudinal studies are warranted to confirm our findings.

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