Purpose. Cyclectomy/trabeculectomy and Ahmed glaucoma valve implant are operations suggested for refractory glaucomas. In this study, we have evaluated the outcomes that we observed with these two techniques in neovascular glaucoma patients. Material and Methods. Thirty-five eyes with neovascular glaucomas were included in this study. Ahmed Glaucoma valve (group A) was applied to ten eyes, while cyclectomy/trabeculectomy was applied to 25 eyes (group C/T). Vision, intraocular pressure and complications were evaluated at the end of the first week and after 6 and 12 months. Results. Vision preservations were 80% and 92%, and success rates in reducing intraocular pressure were 50% and 72% for Ahmed glaucoma valve and cyclectomy/trabeculectomy groups, respectively. None of the differences in complication rates was found to be statistically significant. Conclusions. In the surgical management of neovascular glaucoma, cyclectomy/trabeculectomy was shown to be an alternative to Ahmed glaucoma valve operation.
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http://dx.doi.org/10.5402/2011/680827 | DOI Listing |
Cornea
January 2025
VST Centre for Glaucoma Care, L V Prasad Eye Institute, Kallam Anji Reddy Campus, Hyderabad, India.
Purpose: To evaluate intermediate-term outcomes and complications associated with Ahmed glaucoma valve (AGV) implantation in eyes with type 1 keratoprosthesis (KPro).
Methods: We retrospectively reviewed records of 43 eyes of 43 Indian patients with type 1 KPro and AGV from 2009 to 2021 with a minimum of 6-months of follow-up. Five eyes that had AGV before KPro were excluded, leaving 38 eyes for analysis.
Cureus
December 2024
Cornea and Refractive Surgery, Al-Shifa Trust Eye Hospital, Rawalpindi, PAK.
Background: Glaucoma, particularly open-angle glaucoma (OAG), is a leading cause of irreversible blindness, associated with optic nerve damage, retinal ganglion cell death, and visual field defects. Corneal biomechanical properties and cellular components, such as corneal nerve and keratocyte densities assessed by in vivo confocal microscopy (IVCM), may serve as biomarkers for glaucoma progression. This study aimed to explore the relationship between corneal nerve parameters, keratocyte density, and optical coherence tomography (OCT)-derived retinal nerve fiber layer (RNFL) thickness in primary open-angle glaucoma (POAG) patients and controls.
View Article and Find Full Text PDFActa Ophthalmol
January 2025
Department of Ophthalmology, Aarhus University Hospital, Aarhus, Denmark.
Purpose: To evaluate the intraocular pressure (IOP) lowering effect and success rate of Paul glaucoma implant (PGI) in refractory glaucoma after changing practice pattern from Ahmed and Baerveldt tubes to PGI.
Methods: A prospective observational study of the first 50 consecutive PGI surgeries at a single Danish tertiary centre from January 2022 to October 2023. Primary endpoints were IOP and success rates after 12 months.
Sci Prog
January 2025
School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.
Purpose: The aim of this study was to evaluate the efficacy and safety of the Ahmed glaucoma valve in pediatric patients with refractory glaucoma.
Methods: A comprehensive literature search was conducted across multiple major databases, including PubMed, Embase, the Cochrane Library of Systematic Reviews, Science Direct, China's National Knowledge Infrastructure, and the Wanfang database. We retrieved studies published before December 2022 that met the inclusion criteria, including clinical controlled trials (randomized controlled trials) and clinical noncontrolled trials (non-randomized controlled trials) on the use of Ahmed glaucoma valve in pediatric patients with refractory glaucoma.
Sci Rep
January 2025
Horang-i Eye Clinic, Seoul, South Korea.
The purpose of this study was to evaluate the difference in the incidence of the hypertensive phase (HP) between Ahmed glaucoma valve (AGV) patients who received intracameral air injection and those who did not. A total of 78 patients who underwent AGV surgery between January 1, 2016 and June 30, 2023 were included in this retrospective study. HP was defined as intraocular pressure (IOP) greater than 21 mmHg within the first 6 postoperative months.
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