ArticleGraefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie2023
Benefit of intravitreal injections in patients with sub-threshold baseline visual acuity: a retrospective single-centre study.
Article in Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo investigate the lower visual acuity threshold for recommending intravitreal injection therapy (IVI). The lower limit of 1.3 logMAR best-corrected visual acuity (BCVA) was adopted in 2006 and has been maintained since then.
methodsIn this retrospective study, data from patients with a logMAR BCVA ≤ 1.3 and 24 months follow-up were analysed. We included patients with neovascular age-related macular degeneration (nAMD), diabetic macular oedema (DME), or retinal vein occlusion (RVO).
resultsThe data from 164 patients (nAMD: 107; DME: 15; RVO: 42) were analysed. We observed a significant improvement at all time intervals (0 to 6, 6 to 12, 12 to 18, and 18 to 24 months after initiating IVI) compared to baseline. Across all indications, median BCVA improved from 1.4 to 1.0 within the first 6 months and remained stable within 24 months. Patients received a median of 5 and 10 injections within 6 and 24 months, respectively. Median foveal retinal thickness was 594.5 μm at baseline and dropped to 244.5 μm, 235.5 µm, 183 µm, and 180 µm during the four consecutive time intervals.
conclusionPatients with nAMD, DME, and RVO with poor baseline BCVA may also benefit from intravitreal therapy with VEGF-inhibitors. In the present study, we observed functional and morphological improvement over 2 years irrespective of the underlying macular disease. Those patients should not be excluded from therapy.
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