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Management of Persistent Hypotony after Supraciliary CyPass® Implantation Using Argon Laser.


ABSTRACT:

Purpose

To report a case and management of persistent hypotony with hypotony-induced maculopathy after CyPass® device implant.

Background

The CyPass® was the first supraciliary ab interno device approved by FDA and commercially available. Efficacy studies showed adequate intraocular pressure (IOP)-lowering results in combination with phacoemulsification. Hypotony induced by suprachoroidal minimally invasive glaucoma surgery (MIGS) was reported to be lower than 3% in the population that comprised the COMPASS study.

Case description

A 57-year-old female patient with mild open-angle glaucoma with maximum topical medical therapy who underwent sequential bilateral CyPass® implantation developed persistent hypotony. Device obstruction was induced through argon laser burns directed to the peripheral iris, and the device was no longer visible on follow-up examinations. Topical IOP-lowering medication was restarted (timolol-dorzolamide) and has since been controlled under 16 mm Hg, without progression on visual fields.

Conclusion

Argon laser burns directed to the peripheral iris to induce synechiae development that produces device obstruction are an effective technique to manage persistent hypotony after supraciliary CyPass® implantation.

Clinical significance

Here, authors show a novel approach for treatment of persistent hypotony secondary to CyPass® implantation. In the knowledge of the authors, this is the first report that describes a noninvasive management for this complication, and this case could help other physicians to manage similar cases.

How to cite this article

Fernando DV-N, Díez-Cattini GF, Alfonso G-L, et al. Management of Persistent Hypotony after Supraciliary CyPass® Implantation Using Argon Laser. J Curr Glaucoma Pract 2019;13(3):116-118.

SUBMITTER: Fernando DV 

PROVIDER: S-EPMC7221243 | biostudies-literature | 2019 Sep-Dec

REPOSITORIES: biostudies-literature

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Publications

Management of Persistent Hypotony after Supraciliary CyPass<sup>®</sup> Implantation Using Argon Laser.

Fernando Del Valle-Nava DV   Díez-Cattini G F GF   Alfonso García-López GL   Francisco Ortega-Santana OS  

Journal of current glaucoma practice 20190901 3


<h4>Purpose</h4>To report a case and management of persistent hypotony with hypotony-induced maculopathy after CyPass<sup>®</sup> device implant.<h4>Background</h4>The CyPass<sup>®</sup> was the first supraciliary <i>ab interno</i> device approved by FDA and commercially available. Efficacy studies showed adequate intraocular pressure (IOP)-lowering results in combination with phacoemulsification. Hypotony induced by suprachoroidal minimally invasive glaucoma surgery (MIGS) was reported to be lo  ...[more]

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