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Title

High-frequency deep sclerotomy, a minimal invasive ab interno glaucoma procedure combined with cataract surgery: physical properties and clinical outcome

Authors
Cvejic, Zeljka
Mansouri, Kaweh
Resan, Mirko
Allemann, Reto
Published in Applied Sciences. 2020, vol. 10, no. 1, p. 218
Abstract Background: The efficiency and safety of primary open-angle glaucoma with high-frequency deep sclerotomy (HFDS) combined with cataract surgery has to be investigated. Methods: Right after cataract surgery, HFDS was performed ab interno in 205 consecutive patients with open angle glaucoma. HFDS was performed with a custom-made high-frequency disSection 19 G probe (abee tip 0.3 x 1 mm, Oertli Switzerland). The bipolar current with a frequency of 500 kHz is applied. The nasal sclera was penetrated repetitively six times through the trabecular meshwork and consecutively through Schlemm's canal. Every time, a pocket of 0.3 mm high and 0.6 mm width was created. Results: Mean preoperative intraocular pressure (IOP) was 24.5 +/- 2.1 mmHg (range 21 to 48 mmHg). After 48 months, the follow up average IOP was 15.0 +/- 1.7 mmHg (range 10 to 20 mmHg). Postoperative IOP has been significantly reduced compared to preoperative IOP for all studied cases (p < 0.001). After 48 months, the target IOP less than 21 mmHg reached in 84.9%. No serious complications were observed during the surgical procedure itself and in the postoperative period. Conclusions: HFDS is a minimally invasive procedure. It is a safe and efficacious surgical technique for lowering IOP combined with cataract surgery.
Keywords GlaucomaAb internoMinimally invasive glaucoma surgeryCataract surgeryHigh-frequency deep sclerotomyIntraocular pressure
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Research group Ophtalmologie expérimentale (925)
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PAJIC, Bojan et al. High-frequency deep sclerotomy, a minimal invasive ab interno glaucoma procedure combined with cataract surgery: physical properties and clinical outcome. In: Applied Sciences, 2020, vol. 10, n° 1, p. 218. doi: 10.3390/app10010218 https://archive-ouverte.unige.ch/unige:142385

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Deposited on : 2020-10-01

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