High-Frequency Deep Sclerotomy as Adjunctive Therapy in Open-Angle Glaucoma Patients
Introduction: Glaucoma is a chronic, progressive disease of the optic nerve that can cause vision loss and blindness. High-frequency deep sclerotomy (HFDS) is a novel ab interno procedure used to lower intraocular pressure (IOP). This study aims at examining hypotensive effects of HFDS in patients with medically uncontrolled primary open-angle glaucoma (POAG). Methods: 23 patients (23 eyes) participated in this study. They were all affected by POAG and used maximum prescribed medical therapy. It is important to note that the target IOP was not detected in any study participant. The target IOP is the highest IOP value at which no new damages of the optic nerve occur. The procedure was performed with a custom-made, high-frequency dissection probe by applying bipolar current of 500 kHz. Six pockets (1 mm deep, 0.3 mm high, and 6 mm wide) were made ab interno in nasal sclera (through trabecular meshwork and Schlemm’s canal). Tobramycin/dexamethasone and pilocarpine eye drops were administered postoperatively for a month. Results: The mean value of the base IOP had been 25.6 mm Hg before the procedure. Significant complications were not recorded either during the surgery or in a postoperative follow-up period. The average IOP for our patients reduced by 8.6 mm Hg (33.6%) after a year. The mean value of the instilled anti-glaucoma eye drops had been 2.78 (SD = 0.45) before the HFDS and 0.61 (SD = 1.04) at the end of the research. The target IOP was not achieved in five cases (21.7% of our sample). Discussion/Conclusion: This study presents the data on our first surgical experience with HFDS that was conducted on 23 patients who had medically uncontrolled POAG. The results indicate that HFDS is safe and efficient in reducing IOP.
- Location
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Deutsche Nationalbibliothek Frankfurt am Main
- Extent
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Online-Ressource
- Language
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Englisch
- Bibliographic citation
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High-Frequency Deep Sclerotomy as Adjunctive Therapy in Open-Angle Glaucoma Patients ; volume:66 ; number:1 ; year:2022 ; pages:339-344 ; extent:6
Ophthalmic research ; 66, Heft 1 (2022), 339-344 (gesamt 6)
- Creator
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Kontic, Marko
Todorovic, Dusan
Zecevic, Rada
Vulovic, Tatjana Sarenac
- DOI
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10.1159/000527677
- URN
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urn:nbn:de:101:1-2023122800533001041303
- Rights
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Open Access; Der Zugriff auf das Objekt ist unbeschränkt möglich.
- Last update
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15.08.2025, 7:30 AM CEST
Data provider
Deutsche Nationalbibliothek. If you have any questions about the object, please contact the data provider.
Associated
- Kontic, Marko
- Todorovic, Dusan
- Zecevic, Rada
- Vulovic, Tatjana Sarenac
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