Research Article
Ahmed Glaucoma Valves versus EX-PRESS Devices in Glaucoma Secondary to Silicone Oil Emulsification
Table 1
Baseline characteristics of the study patients.
| Characteristic | AGV | EX-PRESS | value | Patients () | Patients () |
| Age (years), mean ± SD (range) | 46.8 ± 13.5 (15–65) | 44.3 ± 17.4 (14–75) | 0.708 | Gender, (%) | | Male | 11 (78.6) | 7 (77.8) | | Female | 3 (21.4) | 2 (22.2) | Indication for PPV, (%) | | RRD | 11 (78.6) | 7 (77.8) | | Giant retinal hole or multiple retinal holes | 4 (28.6) | 3 (33.3) | Macular hole caused by high myopia | 2 (14.3) | 2 (22.2) | Associated with choroidal detachment | 2 (14.3) | 1 (11.1) | PVR after failed PPV | 2 (14.3) | 2 (22.2) | Ocular injury | 3 (21.4) | 2 (22.2) | Penetrating injury | 3 (17.4) | 1 (11.1) | With endophthalmitis | 1 (8.7) | 1 (11.1) | With IOFB | 2 (14.3) | 0 (0) | Rupture | 0 (0) | 1 (11.1) | Tamponade duration (months), mean ± SD (range) | 11.3 ± 8.2 (3–31) | 10.0 ± 13.7 (3–46) | 0.153 | Duration between removal of silicone oil and antiglaucoma surgery (months), mean ± SD (range) | 2.8 ± 1.6 (1–5) | 3.6 ± 1.6 (1–6) | 0.240 | Axial length of the eye (mm), mean ± SD (range) | 25.5 ± 2.4 (23.3–30.7) | 26.9 ± 3.0 (24.2–31.1) | 0.208 | Anterior chamber depth (mm), mean ± SD (range) | 3.1 ± 0.5 (2.3–3.8) | 3.0 ± 0.5 (2.1–3.5) | 0.801 |
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AGV: Ahmed glaucoma valve; EX-PRESS: EX-PRESS glaucoma filtration device; SD: standard deviation; PPV: pars plana vitrectomy; RRD: rhegmatogenous retinal detachment; PVR: proliferative vitreoretinopathy; IOFB: intraocular foreign body.
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