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Anterior Chamber Sulfur Hexafluoride (SF6) Injection for the Management of Postsurgery Hypotony in Glaucoma Patients

Gotzaridis, Stratos, V., MD*; Portaliou, Dimitra, M., MD, PhD, FEBO; Mela, Vasiliki, A., OD, MSc*; Xanthopoulou, Paraskevi, MD, MSc*; Kymionis, George, D., MD, PhD

doi: 10.1097/IJG.0000000000000958
Case Report/Small Case Series

Purpose: The purpose of this article was to describe a new technique involving the injection of sulfur hexafluoride (SF6) gas in the anterior chamber (A/C) for the management of hypotony in patients with previous glaucoma surgery.

Materials and Methods: Seven patients were included in this prospective case series. All patients had advanced glaucoma that was managed surgically either by trabeculectomy (6 patients) or Ahmed valve (1 patient). All patients presented with intraocular pressure (IOP) <7 mm Ηg, shallow A/C, and ultrasound images of choroidal detachment and ciliary body detachment. Patients’ hypotony was treated by 0.4 to 0.6 mL of 100% pure SF6 injection in the A/C followed by supine posture. The purpose of this injection was dual: to displace the ciliary body to its normal position and restore aqueous humor normal production, and to block aqueous humor outflow through bubble formation, causing an increase in IOP.

Results: Surgical technique was successful in all 7 patients with IOP normalization (>10 mm Hg) and A/C depth increase within the first week after surgery.

Conclusion: A new surgical technique of SF6 injection in the A/C for patients with choroidal detachment and hypotony shows promising results.

*My Retina Athens Eye Center

Department of Ophthalmology, University of Athens, Athens, Greece

St James University Hospital, Leeds, UK

Disclosure: The authors declare no conflict of interest.

Reprints: Stratos V. Gotzaridis, MD, My Retina Athens Eye Center, 66, Vassilisis Sophias Avenue, Athens 11528, Greece (e-mail: stratosgotzaridis@yahoo.com).

Received December 15, 2017

Accepted March 21, 2018

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