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Comparing vision and macular thickness in neovascular age-related macular degeneration, diabetic macular oedema and retinal vein occlusion patients treated with intravitreal antivascular endothelial growth factor injections in clinical practice

Citation

Gurung, RL and Fitzgerald, LM and McComish, BJ and Hewitt, AW and Verma, N and Burdon, KP, Comparing vision and macular thickness in neovascular age-related macular degeneration, diabetic macular oedema and retinal vein occlusion patients treated with intravitreal antivascular endothelial growth factor injections in clinical practice, BMJ Open Ophthalmology, 6, (1) pp. 1-10. ISSN 2397-3269 (2021) [Refereed Article]


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Copyright 2021 the Author(s) or their employer(s). Licensed under Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0) https://creativecommons.org/licenses/by-nc/4.0/

DOI: doi:10.1136/bmjophth-2021-000749

Abstract

Objective: To compare the visual outcomes of intravitreal antivascular endothelial growth factor (anti-VEGF) injections in neovascular age-related macular degeneration (nAMD), diabetic macular oedema (DMO) and retinal vein occlusion (RVO) in a real-world setting.

Methods and analysis: Retrospective analysis of data from the Tasmanian Ophthalmic Biobank database. The median change in best-corrected visual acuity (BCVA) between baseline and 12 months post initiating intravitreal anti-VEGF treatment were compared between the three diseases. Final BCVA, central macular thickness (CMT), cumulative number of injections and overall predictors of change in BCVA and CMT were also determined.

Results: At 12 months, change in BCVA was significantly different between nAMD, DMO and RVO cohorts (p=0.032), with lower median change for DMO (2 letters, range -5 to 20) than for RVO (11 letters, range -20 to 35). Likewise, CMT change was significantly different between the three cohorts (p=0.022), with a smaller reduction in CMT in DMO (-54 Ám, range -482 to 50) than RVO patients (-137 Ám, range -478 to 43; p=0.033). Total number of injections received (p=0.028) and final BCVA score (p=0.024) were also significantly different between the groups. Baseline BCVA was a negative predictor (p=0.042) and baseline CMT a positive predictor (p<0.001) of outcome. After adjusting for baseline BCVA and CMT, diagnosis of nAMD or RVO was a predictor of visual improvement compared with the DMO.

Conclusions:At the end of 12 months, nAMD and RVO cohorts had the greatest improvement in BCVA, however the final BCVA for DMO was significantly better than for nAMD.

Item Details

Item Type:Refereed Article
Keywords:angiogenesis, vision, anti-VEGF, neovascular age-related macular degeneration, diabetic macular oedema, retinal vein occlusion
Research Division:Biomedical and Clinical Sciences
Research Group:Ophthalmology and optometry
Research Field:Ophthalmology
Objective Division:Health
Objective Group:Clinical health
Objective Field:Treatment of human diseases and conditions
UTAS Author:Gurung, RL (Dr Rajya Gurung)
UTAS Author:Fitzgerald, LM (Dr Liesel Fitzgerald)
UTAS Author:McComish, BJ (Dr Bennet McComish)
UTAS Author:Hewitt, AW (Professor Alex Hewitt)
UTAS Author:Verma, N (Dr Nitin Verma)
UTAS Author:Burdon, KP (Professor Kathryn Burdon)
ID Code:144725
Year Published:2021
Deposited By:Menzies Institute for Medical Research
Deposited On:2021-06-07
Last Modified:2021-08-04
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