24-Month outcomes of gonioscopy-assisted transluminal trabeculotomy for congenital glaucoma

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Abstract
To report the surgical outcomes of patients with primary congenital glaucoma who underwent gonioscopy-assisted transluminal trabeculotomy. This retrospective, noncomparative, interventional study included consecutive patients with primary congenital glaucoma with uncontrolled intraocular pressure undergoing gonioscopy-assisted transluminal trabeculotomy between January 2017 and January 2020. The included participants were followed up for at least 24 months, and only one surgeon performed all the procedures. The number of glaucoma medications, pre- and postoperative intraocular pressure, treatment extension (in quadrants), surgical complications, and any associated events or interventions were documented. This study included 13 eyes from 10 patients (mean age, 4.5 ± 3.2 years; range, 3 months to 10 years). After a 24-month follow-up, the mean intraocular pressure significantly decreased from 26.1 ± 3.7 to 11.8 ± 2.5 mmHg (p<0.001). The mean number of glaucoma medications was reduced from 3.3 ± 0.5 to 0.85 ± 1.0 (p<0.001). At the end of the follow-up interval, all eyes (13 out of 13) had an intraocular pressure between 7 and 15 mmHg. In 11 of 13 eyes (84.6%), gonioscopy-assisted transluminal trabeculotomy was performed in all quadrants (360º). The most frequent postoperative complication was transitory (self-limited) hyphema (7 out of 13 eyes [53.8%]). No sight-threatening adverse events occurred during the entire follow-up period. The 2-year follow-up results indicated gonioscopy-assisted transluminal trabeculotomy as an efficient and safe option for primary congenital glaucoma treatment with minimal postoperative complications.

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