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PLoS One ; 15(5): e0233268, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32469900

RESUMO

PURPOSE: To analyse the disease burden of pseudoexfoliation (PXF) disease stages from East and South India. DESIGN: Prospective hospital based study of patients seen at 4 tertiary centres. SUBJECTS, PARTICIPANTS, AND/OR CONTROLS: Consecutive old and new patients of pseudoexfoliation with normal intraocular pressure (IOP), raised IOP (PXF with Ocular hypertension, OHT) and irreversible disc/field changes (pseudoexfoliation glaucoma, PXG) seen from April 2016-March 2017 at a tertiary centre in Odisha, East India and 3 centres in Andhra Pradesh and Telangana, South India, recruited into the prospective study were screened for baseline characteristics. METHODS: The clinical and demographic details including visual acuity, laterality, intraocular pressure (IOP) with details of medical/surgical therapy at presentation were collected from the hospital database at all 4 centres. INTERVENTION OR EXPOSURE: The World Health Organization WHO visual criteria were used for defining visual impairment/absolute blindness in different disease stages. OUTCOME MEASURES: The visual impairment/blindness rates with comorbidities in the anterior/posterior segment in PXF, OHT and PXG at baseline were compared and the influence of age, IOP fluctuations and laterality was analysed using multivariate logistic regression. RESULTS: Of 6284 PXF eyes (of 3142 patients) included from all centres, OHT and PXG was seen in 2.1% and 29% respectively which included 3676 (>50%) bilateral PXF eyes. Reversible visual impairment rates caused by PXF associated co-morbidities in PXF and OHT were 33% and 26% respectively with cataract being the major cause (67% in PXF and 74% in OHT). Irreversible blindness rate was higher in bilateral PXG eyes (30.5%) compared to bilateral PXF (23.2%) or bilateral OHT (21.6%) with overall absolute blindness rates of 28.2% at presentation. Older age (p<0.001), bilaterality and higher baseline IOP were significantly associated with higher rates of blindness in PXF eyes. CONCLUSION AND RELEVANCE: Pseudoexfoliation is associated with ≥30% visual impairment across all stages and 28% absolute blindness rate which is a huge hidden burden of glaucoma. Adequate disease staging and assessment of comorbidities is required for accurate prognostication at baseline and reducing avoidable pseudoexfoliation blindness.


Assuntos
Síndrome de Exfoliação/complicações , Glaucoma/complicações , Hipertensão Ocular/complicações , Baixa Visão/etiologia , Idoso , Feminino , Seguimentos , Humanos , Incidência , Índia/epidemiologia , Pressão Intraocular , Masculino , Prognóstico , Estudos Prospectivos , Baixa Visão/diagnóstico , Baixa Visão/epidemiologia , Acuidade Visual
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