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Oculus

Abstract #82600 Published in IGR 20-4

Prevalence and Associated Factors of Pseudoexfoliation in a Russian Population: The Ural Eye and Medical Study

Bikbov MM; Zainullin RM; Gilmanshin TR; Kazakbaeva GM; Yakupova DF; Nuriev IF; Zaynetdinov AF; Khalimov TA; Panda-Jonas S; Uzianbaeva YV; Rakhimova EM; Rusakova IA; Salavatova VF; Arslangareeva II; Bikbova GM; Nikitin NA; Jonas JB
American Journal of Ophthalmology 2020; 210: 158-166

See also comment(s) by Miriam Kolko & Anne Horwitz


PURPOSE: To assess the prevalence of pseudoexfoliation (PEX) and its associations in a Russian population. DESIGN: Population-based cross-sectional study. METHODS: Setting: Ufa capital of Bashkortostan, Russia and a rural region in Bashkortostan. PARTICIPANTS: the Ural Eye and Medical Study included 5,899 (80.5%) of 7,328 eligible individuals (mean age, 59.0 ± 10.7 years old; range, 40-94 years). OBSERVATION PROCEDURES: as part of an ophthalmological and general examination, presence and degree of PEX was assessed using slit-lamp biomicroscopy after medical pupillary dilation. MAIN OUTCOME MEASUREMENTS: PEX prevalence. RESULTS: After excluding pseudophakic and aphakic individuals, the study included 5,451 (92.4%) participants. PEX prevalence (3.6%; 95% confidence interval [CI]:3.1-4.1), increased from 0.5% (95% CI, 0.1-0.9) in individuals 40 to <50 years old to 10.4% (95% CI, 5.0-15.8) in individuals aged 80+ years. Higher PEX prevalence was associated (multivariate analysis) with older age (odds ratio [OR], 1.09; 95% CI, 1.07-1.11; P < 0.001), Russian ethnicity (OR, 1.50; 95% CI, 2.09-1.11;P = 0.02), higher prevalence of open-angle glaucoma (OR, 2.40; 95% CI, 1.36-4.23;P = 0.003), and higher intraocular pressure (OR, 1.06; 95% CI, 1.02-1.09;P = 0.001). PEX prevalence was not significantly associated with gender (P = 0.49), region of habitation (P = 0.11), body mass index (P = 0.68), level of education (P = 0.26), smoking (P = 0.11), alcohol consumption (P = 0.52), history of cardiovascular or cerebrovascular disease (P = 0.94) and dementia (P = 0.77), prevalence of diabetes mellitus (P = 0.16), arterial hypertension (P = 0.45), chronic obstructive pulmonary disease (P = 0.73), chronic kidney disease (P = 0.09), and hearing loss (P = 0.31). CONCLUSIONS: In this typical, ethnically mixed, population from Russia with an age of 40+ years, PEX prevalence (3.6%; 95% CI, 3.1-4.1) was associated with older age, Russian ethnicity, higher intraocular pressure and open-angle glaucoma. It was independent of any systemic parameter including diabetes, arterial hypertension, previous cardiovascular and cerebrovascular diseases and dementia.

Ufa Eye Research Institute, Ufa, Bashkortostan, Russia. Electronic address: Bikbov.m@gmail.com.

Full article

Classification:

9.4.4.1 Exfoliation syndrome (Part of: 9 Clinical forms of glaucomas > 9.4 Glaucomas associated with other ocular and systemic disorders > 9.4.4 Glaucomas associated with disorders of the lens)
1.1 Epidemiology (Part of: 1 General aspects)



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