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@article{Wen:2017:10.1167/iovs.16-20786,
author = {Wen, JC and Reina-Torres, E and Sherwood, JM and Challa, P and Liu, KC and Li, G and Chang, JYH and Cousins, SW and Schuman, SG and Mettu, PS and Stamer, WD and Overby, DR and Allingham, RR},
doi = {10.1167/iovs.16-20786},
journal = {Investigative Ophthalmology & Visual Science},
pages = {1893--1898},
title = {Intravitreal anti-VEGF injections reduce aqueous outflow facility in patients with neovascular age-related macular degeneration},
url = {http://dx.doi.org/10.1167/iovs.16-20786},
volume = {58},
year = {2017}
}

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TY  - JOUR
AB  - Purpose: We assess the effect of intravitreal anti-VEGF injections on tonographic outflow facility.Methods: Patients with age-related macular degeneration who had received unilateral intravitreal anti-VEGF injections were recruited into two groups, those with ≤10 and those with ≥20 total anti-VEGF injections. Intraocular pressure and tonographic outflow facility of injected and uninjected fellow eyes were measured and compared between groups. Risk factors for development of reduced outflow facility also were assessed.Results: Outflow facility was 12% lower in the injected eyes of patients who received ≥20 anti-VEGF injections, compared to contralateral uninjected eyes (P = 0.02). In contrast, there was no facility reduction for patients with ≤10 anti-VEGF injections (P = 0.4). In patients with ocular hypertension in the uninjected eye (IOP > 21 mm Hg, n = 5), the outflow facility of injected eyes was on average 46% lower (P = 0.01) than in the uninjected fellow eyes. This was significantly greater than the difference observed in patients with IOP ≤ 21 mm Hg in the uninjected eye (P = 2 × 10−4). In patients with ocular hypertension in the injected eye (n = 6) the differences in facility and IOP between contralateral eyes were significantly greater than in patients with IOP ≤ 21 mm Hg in the injected eye (P = 2 × 10−4 and P = 7 × 10−4, respectively).Conclusions: Chronic anti-VEGF injections significantly reduce outflow facility in patients with AMD. The greatest facility reduction is observed in patients with baseline ocular hypertension. Ophthalmologists who administer anti-VEGF injections should be aware of these findings and monitor patients closely for changes in IOP or evidence of glaucoma, especially in those with pre-existing ocular hypertension.
AU  - Wen,JC
AU  - Reina-Torres,E
AU  - Sherwood,JM
AU  - Challa,P
AU  - Liu,KC
AU  - Li,G
AU  - Chang,JYH
AU  - Cousins,SW
AU  - Schuman,SG
AU  - Mettu,PS
AU  - Stamer,WD
AU  - Overby,DR
AU  - Allingham,RR
DO  - 10.1167/iovs.16-20786
EP  - 1898
PY  - 2017///
SN  - 0146-0404
SP  - 1893
TI  - Intravitreal anti-VEGF injections reduce aqueous outflow facility in patients with neovascular age-related macular degeneration
T2  - Investigative Ophthalmology & Visual Science
UR  - http://dx.doi.org/10.1167/iovs.16-20786
UR  - http://hdl.handle.net/10044/1/49329
VL  - 58
ER  -

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