ArticleIndian journal of ophthalmology2026
Comparison of surgical outcomes of suture gonioscopy-assisted transluminal trabeculotomy versus excisional goniotomy with Kahook dual blade at 12 months.
Article in Indian journal of ophthalmology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo compare safety and efficacy of gonioscopy-assisted transluminal trabeculotomy (GATT) versus Kahook dual blade (KDB) with phacoemulsification in eyes with primary open angle glaucoma.
methodsThis retrospective comparative study included 122 eyes-61 in GATT-Phaco group (Group 1) and 61 in KDB-Phaco group (Group 2). Baseline parameters including intraocular pressure (IOP), best-corrected visual acuity, and number of anti-glaucoma medications (AGMs) were compared across visits at 2 weeks and 1, 3, 6, and 12 months. Surgical success was defined as IOP ≤21/≤18/≤15 mmHg with >20%/25%/30% reduction from baseline (Criteria 1,2,3). Postoperative complications, secondary interventions, and surgical risk factors were analyzed.
resultsThe mean (SD) IOP (mmHg) decreased from 21.15 ± 3.76 to 13.20 ± 3.21 in Group 1 and 22.90 ± 4.05 to 14.44 ± 5.01 in group 2 at 12 months, with no significant difference between groups (P = 0.100). AGM reduced from 1.64 ± 0.84 to 0.08 ± 0.28 and 1.67 ± 0.77 to 0.08 ± 0.38 in groups 1 and 2, respectively, at 12 months (P > 0.99). By criteria 1, 2, and 3, the overall success was 85.3%, 78.7%, and 60.7% in Group 1 and 86.9%, 83.6%, and 70.5% in Group 2, respectively. Micro hyphemas were observed in 28 patients (20 in group 1, 8 in group 2), macro hyphemas in 4 patients of group 1 (2 requiring AC wash) and transient IOP spikes in 6 patients (4 in group 1, 2 in group 2).
conclusionBoth GATT and KDB achieved significant reductions in intraocular pressure and anti-glaucoma medication use at 12 months, with KDB demonstrating equivalent efficacy to 360° suture trabeculotomy.
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