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Article Citation - WoS: 31Citation - Scopus: 36Outcomes of Prolene Gonioscopy Assisted Transluminal Trabeculotomy in Primary Open Angle Glaucoma and Pseudoexfoliation Glaucoma: a Comparative Study(Lippincott Williams & Wilkins, 2022) Aktas, Zeynep; Zeydanli, Ece Ozdemir; Uysal, Betul Seher; Yigiter, AhmetPrecis: Gonioscopy-assisted transluminal trabeculotomy (GATT) provides greater intraocular pressure (TOP) reduction in pseudoexfoliative glaucoma (PXG) than in primary open angle glaucoma (POAG) in the first year of surgery; however, the difference between groups equalizes in the long term. Purpose: To compare outcomes of GATT in eyes with POAG and PXG. Methods: Single-center, retrospective, comparative case-series. A total of 202 eyes (91 eyes of POAG; 111 eyes of PXG) were included. GATT was performed as a standalone procedure or in combination with cataract extraction. Outcome measures were change in IOP and number of medications at all time points (1, 3, 6, 9, 12, 18, 24, and 36 mo after surgery), success rate (IOP reduction >= 20% from baseline or IOP between 6 and 21 mmHg, without further glaucoma surgery), and complication rate. Cumulative success probabilities were compared using Kaplan-Meier survival analyses. Results: The mean IOP decreased by 8.8 mmHg (34.4%) in the POAG group with a mean decrease of 2 glaucoma medications at final visit. In the PXG group, the mean IOP decreased by 12.8 mm Hg (44.6%) on 2.3 fewer medications. Mean IOP reduction was significantly higher in PXG than POAG at all time points up to 2-year visit (P < 0 .0 5 for all), after which the difference was not significant. Cumulative success probability during the first year was significantly higher in PXG (97.6%) than in POAG (86.8%) (P = 0.01); no significant difference was found at 2-year (P = 0.07) and 3-year visits (P = 0.24). Conclusion: GATT was safe and effectively reduced the IOP and medication burden in patients with POAG and PXG. In the first year after GATT, a significantly higher success rate was noted in PXG compared with POAG; however, in subsequent years, the success rate was similar at similar to 75%.Article Surgical Treatment of a Patient With Recurrent Bleb Leak and Glaucoma: Bleb Excision Combined With Gonioscopy-Assisted Transluminal Trabeculotomy(Galenos Publ House, 2022) Boluk, Ceyda Eristi; Aktas, ZeynepHere we present a case of intermittent bleb leakage with increased intraocular pressure (IOP) during recovery periods that was treated with gonioscopy-assisted transluminal trabeculotomy (GATT) combined with avascular bleb excision. A 60-year-old woman exhibiting simultaneous leaking bleb and glaucoma underwent GATT and bleb revision. At her final visit, the bleb leakage had resolved and IOP was under control without any further antiglaucoma medication. GATT may be useful for glaucoma patients exhibiting intermittent bleb leakage after failed trabeculectomy.Article Citation - WoS: 14Citation - Scopus: 16Efficacy and Safety of Gonioscopy-Assisted Transluminal Trabeculotomy for Primary Congenital Glaucoma(Lippincott Williams & Wilkins, 2023) Aktas, Zeynep; Ozmen, Mehmet C.; Ozdemir Zeydanli, Ece; Oral, Merve; Eskalen, OguzcanPrecis:Gonioscopy-assisted transluminal trabeculotomy (GATT) provided effective intraocular pressure (IOP) control in primary congenital glaucoma (PCG). Also, approximately two third of patients did not need antiglaucoma medication at an average follow-up of 1 year after surgery. Purpose:The purpose of this study was to assess the safety and efficacy of GATT surgery in eyes with PCG. Materials and Methods:This study is a retrospective review of patients who underwent GATT surgery for PCG. Outcome measures were changes in IOP and number of medications at all time points (1, 3, 6, 9, 12, 18, 24, and 36 mo after surgery), and success rates. Success was defined as IOP<21 mm Hg with at least a 30% reduction from the baseline, complete if without medications, or qualified if with or without medications. Cumulative success probabilities were analyzed using the Kaplan-Meier survival analyses. Results:Twenty-two eyes of 14 patients diagnosed with PCG were enrolled in this study. The mean IOP reduction was 13.1 mm Hg (57.7%) with a mean decrease of 2 glaucoma medications at the final follow-up. All mean IOP readings during postoperative follow-up were significantly lower than baseline (P<0.05 for all). Cumulative probability of qualified success was 95.5% and the cumulative probability of complete success was 66.7%. Conclusion:GATT was safe and successfully lowered IOP in patients with PCG with the advantage of avoiding conjunctival and scleral incisions.
