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Abstract #84987 Published in IGR 21-1
Is kidney function associated with primary open-angle glaucoma? Findings from the Asian Eye Epidemiology Consortium
Tham YC; Tao Y; Zhang L; Rim THT; Thakur S; Lim ZW; Chee ML; Chee ML; Bikbov MM; Kazakbaeva GM; Wang N; Cao K; Hao J; Nangia V; Panda-Jonas S; Wang YX; Wong IY; Chan JCH; Meng Q; Sabanayagam C; Wong TY; Jonas JB; Zhong H; Cheng CY;British Journal of Ophthalmology 2020; 0:
AIM: To comprehensively examine the association between kidney function and primary open angle glaucoma (POAG) in a large consortium of multiple Asian population-based studies. METHODS: 28 925 participants (57 340 eyes) from 9 population-based studies (from China, Hong Kong, India, Korea, Russia, Singapore) of the Asian Eye Epidemiology Consortium were included. Across all studies, POAG was defined based on the International Society of Geographical and Epidemiological Ophthalmology criteria. Estimated glomerular filtration rate (eGFR) was calculated from serum creatinine. Chronic kidney disease (CKD) was defined as eGFR<60 mL/min/1.73 m. Eye-specific data were pooled from each study. Multivariable regression analysis with generalised estimating equation models was performed to evaluate the associations between kidney function with POAG and intraocular pressure (IOP). RESULTS: After adjusting for age, gender, study group, hypertension, diabetes, hyperlipidaemia, body mass index, smoking status and IOP, lower eGFR (per 10 mL/min/1.73 m decrease) was not significantly associated with POAG (OR=1.01; p=0.77). Presence of CKD was also not significantly associated with POAG (OR=1.01; p=0.739). Furthermore, lower eGFR and presence of CKD were not associated with IOP (all p≥0.12), However, in the subgroup of combined Korean and Chinese individuals, significant associations between lower eGFR (OR=1.09; 95% CI 1.00 to 1.18; p=0.048) and severe kidney function decline (<45 mL/min/1.73 m; OR=2.57; 95% CI 1.34 to 4.93; p=0.004) with POAG, were observed. CONCLUSION: In this large pooled-analysis of multiple Asian population-based studies, our findings suggest that the association between CKD and POAG may only be present in East Asians specifically but not in the overall Asian population. Further evaluation in Japanese population is warranted to confirm this observation.
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Classification:
9.4.15 Glaucoma in relation to systemic disease (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders)
