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Abstract #81228 Published in IGR 20-3

Ab interno canaloplasty (ABiC)-12-month results of a new minimally invasive glaucoma surgery (MIGS)

Davids AM; Pahlitzsch M; Boeker A; Winterhalter S; Maier-Wenzel AK; Klamann M
Graefe's Archive for Clinical and Experimental Ophthalmology 2019; 257: 1947-1953

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PURPOSE: The aim of this study is to assess whether the ab interno canaloplasty is a reasonable minimally invasive method to lower significantly the IOP level and number of antiglaucomatous medication over a certain period of time in adult primary open angle glaucoma (POAG). METHODS: In this retrospective cohort outcome study, 36 eyes of 28 POAG patients (mean age 74.8 ± 9.3 years) with an IOP above target pressure were included. Ab interno canaloplasty (ABiC) was performed in all subjects (MEyeTech GmbH, Alsdorf, Germany) as sole procedure in pseudophakic eyes (n = 20) or in combination with cataract surgery in phakic eyes (n = 16). The intraocular pressure (IOP) and the number of glaucoma medication were assessed preoperatively, day 1, week 6, month 3, month 6, and month 12. RESULTS: IOP decreased from 19.8 ± 4.1 to 13.8 ± 3 mmHg at 12 months follow-up (n = 21, p < 0.001). The IOP reduction showed significant results at all time points (1 day p < 0.001; 6 weeks p < 0.001; 3 months p < 0.001; 6 months p = 0.001; 12 months p < 0.001). Glaucoma therapy was stabilized at 2.1 ± 1.6 number of medications after 12 months postoperatively. There was no significant difference in the number of medication at 12 months follow-up (p = 1.0). No major perioperative complications can be reported. CONCLUSION: The ABiC effectively lowers the IOP in POAG in the short term follow-up of 12 months. A reduction of glaucoma therapy cannot be achieved and should be discussed with the patients prior to surgery.

Department of Ophthalmology, Charité - University Medicine Berlin, Campus Benjamin Franklin, Hindenburgdamm 30, 12203, Berlin, Germany. anja-maria.davids@charite.de.

Full article

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Classification:

12.9 Trabeculotomy, goniotomy (Part of: 12 Surgical treatment)

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