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VOLUME 17 , ISSUE 3 ( July-September, 2023 ) > List of Articles

RETROSPECTIVE COHORT STUDY

Decision Factors for Glaucoma Suspects and Ocular Hypertensive Treatment at an Academic Center

Elizabeth C Ciociola, Alicia Anderson, Huijun Jiang, Ian Funk, Feng-Chang Lin, Jean-Claude Mwanza, Meredith R Klifto, David Fleischman

Keywords : Cohort study, Ganglion cell–inner plexiform layer, Glaucoma suspect, Retinal nerve fiber layer, Treatment, Visual field

Citation Information : Ciociola EC, Anderson A, Jiang H, Funk I, Lin F, Mwanza J, Klifto MR, Fleischman D. Decision Factors for Glaucoma Suspects and Ocular Hypertensive Treatment at an Academic Center. J Curr Glaucoma Pract 2023; 17 (3):157-165.

DOI: 10.5005/jp-journals-10078-1417

License: CC BY-NC 4.0

Published Online: 11-10-2023

Copyright Statement:  Copyright © 2023; The Author(s).


Abstract

Aims and background: Practice guidelines assert that high-risk glaucoma suspects should be treated. Yet, there is ambiguity regarding what constitutes a high enough risk for treatment. The purpose of this study was to determine which factors contribute to the decision to treat glaucoma suspects and ocular hypertensive patients in an academic ophthalmology practice. Materials and methods: Retrospective cohort study of glaucoma suspects or ocular hypertensives at an academic ophthalmology practice from 2014 to 2020. Demographics, comorbidities, intraocular pressure (IOP), optical coherence tomography (OCT) findings, and visual field measurements were compared between treated and untreated patients. A multivariable logistic regression model assessed predictors of glaucoma suspected treatment. Results: Of the 388 patients included, 311 (80%) were untreated, and 77 (20%) were treated. There was no statistical difference in age, race/ethnicity, family history of glaucoma, central corneal thickness (CCT), or any visual field parameters between the two groups. Treated glaucoma suspects had higher IOP, thinner retinal nerve fiber layers (RNFL), more RNFL asymmetry, thinner ganglion cell–inner plexiform layers (GCIPL), and a higher prevalence of optic disc drusen, disc hemorrhage, ocular trauma, and proliferative diabetic retinopathy (PDR) (p < 0.05 for all). In the multivariable model, elevated IOP {odds ratio [OR] 1.16 [95% confidence interval (CI) 1.04–1.30], p = 0.008}, yellow temporal [5.76 (1.80–18.40), p = 0.003] and superior [3.18 (1.01–10.0), p = 0.05] RNFL quadrants, and a history of optic disc drusen [8.77 (1.96–39.34), p = 0.005] were significant predictors of glaucoma suspect treatment. Conclusion: Higher IOP, RNFL thinning, and optic disc drusen were the strongest factors in the decision to treat a glaucoma suspect or ocular hypertensive patient. RNFL asymmetry, GCIPL thinning, and ocular comorbidities may also factor into treatment decisions. Clinical significance: Understanding the clinical characteristics that prompt glaucoma suspect treatment helps further define glaucoma suspect disease status and inform when treatment should be initiated.

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