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Abstract #94437 Published in IGR 22-2

Prognostic factors affecting the surgical success of gonioscopy-assisted transluminal trabeculotomy

Bektas C; Aktas Z; Ucgul AY; Karamert SS
Indian Journal of Ophthalmology 2021; 69: 1425-1429

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PURPOSE: To investigate the prognostic factors affecting gonioscopy-assisted transluminal trabeculotomy (GATT) surgical success. METHODS: Fifty-three eyes were retrospectively enrolled. Open-angle glaucoma patients with at least 6-month follow-up were included. At baseline, demographic characteristics, intraocular pressure (IOP), number of anti-glaucomatous medications (AG), and glaucoma type were recorded. Postoperatively, IOP, complications, and number of AG were noted. The effects of these parameters on surgical success were investigated. RESULTS: The median follow-up time was 13.7 months. The mean IOP decreased from 25.6 ± 6.2 mm Hg at baseline to 14.6 ± 3.5 mm Hg at final, and the number of AG decreased from 3.2 ± 0.78 to 1.2 ± 1.3. When target IOP was considered as 18 mm Hg and 15 mm Hg, surgical success rates were 81.1% and 60.4%, respectively. When target IOP was considered as 18 mm Hg, a positive effect of the combination with cataract surgery and a negative effect of postoperative macrohyphema on success rates were observed. Other factors did not show any association with the success rates for both target IOP values when analyzed by the Cox proportional hazards regression analysis. CONCLUSION: Postoperative macrohyphema may affect surgical success rates negatively. The contribution of the combination with cataract surgery is controversial. Glaucoma stage does not seem to affect surgical success.

Department of Ophthalmology, Can State Hospital, Can, 17400, Canakkale, Turkey.

Full article

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Classification:

12.9 Trabeculotomy, goniotomy (Part of: 12 Surgical treatment)
13.1 Prognostic factors (Part of: 13 Therapeutic prognosis and outcome)
6.4 Gonioscopy (Part of: 6 Clinical examination methods)

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