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Abstract #127537 Published in IGR 25-3
Effect of combined therapy based on transscleral peripheral retinal cryotherapy in the treatment of open-angle neovascular glaucoma: a retrospective study
Gao L; Huang J; Cao L; Rong L; Cui B; Zhang X; Shao W; Wang FBMC Ophthalmology 2025; 25: 375
BACKGROUNDS: This study aims to describe and evaluate the efficacy of transscleral peripheral retinal cryotherapy (TPRC) combined with other intraocular pressure (IOP)-lowering treatments in patients with open-angle neovascular glaucoma (NVG). METHODS: A retrospective observational case series was conducted, including 16 eyes from 16 patients with open-angle NVG, treated with combinations of TPRC and IOP-lowering eyedrops, TPRC and cyclocryotherapy, or TPRC and transscleral ciliary photocoagulation (TCP) over a 4-year period (01/2020-01/2024). Preoperative, intraoperative data, and postoperative data at day 1, week 1, and months 1, 6, and 12 were systematically collected. RESULTS: The primary causes of NVG were proliferative diabetic retinopathy (68.75%) and central retinal vein occlusion (31.25%). The mean (± SD) pre-treatment IOP was 36.56 ± 6.73 mmHg, decreasing to 14.81 ± 2.59 mmHg at 12 months of follow-up. The mean (± SD) best-corrected visual acuity (BCVA) in LogMAR was 2.25 ± 0.8 at baseline, improving to 1.81 ± 0.50 at 12 months. All patients demonstrated a reduction in iris neovascularization following TPRC. No serious complications were observed. CONCLUSIONS: TPRC-based IOP-lowering combination therapies appear to be an effective treatment option for open-angle NVG. These approaches may be particularly suitable for primary healthcare settings, hospitals without advanced glaucoma surgery capabilities, or NVG patients with limited economic resources and extremely elevated IOP.
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