360° ab-interno Schlemm’s canal viscodilation in primary open-angle glaucoma
Simon Ondrejka,1 Norbert Körber1,21Augencentrum Köln, Köln, Germany; 2Eye Clinic, University Eye Hospital, Padova, ItalyPurpose: To evaluate the safety and effectiveness of ab-interno microcatheterization and 360° viscodilation of Schlemm’s canal (SC) usi...
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| Autores principales: | , |
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| Formato: | article |
| Lenguaje: | EN |
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Dove Medical Press
2019
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| Acceso en línea: | https://doaj.org/article/58a1737e2a9249649cd658bd1f16901f |
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| Sumario: | Simon Ondrejka,1 Norbert Körber1,21Augencentrum Köln, Köln, Germany; 2Eye Clinic, University Eye Hospital, Padova, ItalyPurpose: To evaluate the safety and effectiveness of ab-interno microcatheterization and 360° viscodilation of Schlemm’s canal (SC) using the VISCO360®, Viscosurgical System in treatment of primary open angle glaucoma (POAG).Setting: Surgical center (Augencentrum Köln, Köln, Germany).Design: Retrospective analysis of 106 eyes from 71 consecutive patients.Methods: Ab-interno canal viscodilation (VISCO360®,) with or without cataract extraction was performed in two groups of patients with mild-moderate POAG: Group 1 had a baseline intraocular pressure (IOP) ≥18 mmHg (n=72 eyes) and Group 2 had a baseline IOP <18 mmHg (n=34 eyes). IOP without washout was measured and number of IOP-lowering medications were documented at all visits. Effectiveness was determined by reduction in IOP and reduction in the number of IOP-lowering medications at 12±3 months from baseline. Safety was determined by the rate of adverse events (AEs) and secondary surgical interventions (SSI).Results: In Group 1, all eyes available at 12±3 months (n=72), had a 41.0% reduction in mean IOP (from 24.6±7.1 mmHg to 14.6±2.8 mmHg), 87% (n=62) of which showed an IOP reduction of ≥20% with no increase in IOP-lowering medications. In Group 2, all eyes (n=34) maintained their baseline IOP at all postoperative visits. In both groups, a significant decrease (>89%) in mean number of IOP-lowering medications was seen at 12 months with 86% of eyes completely off medication with no increase in IOP. The most common AE seen was hyphema (13%) and no eye required SSI during the study period.Conclusion: Ab-interno SC viscodilation (VISCO360) is safe and effective in lowering IOP and reducing hypotensive medications in patients with OAG.Keywords: 360-degree trabeculotomy, blebless, MIGS, VISCO360,® POAG, canaloplasty |
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