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Endophthalmitis After XEN Gel Stent Implantation: 2 Cases

Olgun, Ali, MD, FEBO*; Imamoğlu, Serhat, MD; Karapapak, Murat, MD*; Düzgün, Eyüp, MD*; Kaçar, Hakan, MD*

doi: 10.1097/IJG.0000000000001076
Case Report/Small Case Series: PDF Only

Herein, we report 2 cases of endophthalmitis after XEN Gel Stent implantation. A 68-year-old woman and an 80-year-old man had previously undergone uncomplicated XEN Gel Stent implantation for primary open angle glaucoma (POAG) 4 and 5 months prior, respectively. Both patients had presented with pain, redness, loss of vision, and sensitivity to light. For both patients, the best corrected visual acuity (BCVA) was hand motion, eyelids and conjunctiva were hyperemic and edematous, anterior chamber had +3 cells and exhibited hypopyon, and B-scan ultrasonography revealed vitreous condensation. Blebitis was absent; the bleb height was medium, bleb width was 1-2 hours, and the bleb was avascular in the first case. In the second case, approximately 2▒mm of the XEN Gel Stent implant protruded from the conjunctiva; therefore, bleb formation was not observed. On a previous visit, the bleb height was medium, bleb width was 2-3 hours, and the bleb was mildly vascular. Both patients had undergone vitrectomy with silicone oil injection, but only the female patient had received intravitreal and topical antibiotics preoperatively. After surgery, both patients received topical antibiotic therapy. After 2 to 3 months, the silicone oil was removed; the final visual acuity remained low for the female patient (hand motion level). Despite immediate treatment, the final visual acuity may remain poor, similar to the outcome of patients with other types of endophthalmitis. It is important to provide the patients scheduled for XEN Gel Stent implantation, information on the risk of infection and the other risk factors involved.

*Department of Ophthalmology, Sisli Hamidiye Etfal Teaching and Research Hospital, University of Health Sciences, Istanbul, Turkey

Department of Ophthalmology, Haydarpasa Numune Teaching and Research Hospital, University of Health Sciences, Istanbul, Turkey

Acknowledgments: None of the authors have any financial interest regarding the materials or methods described herein

Disclosure: The authors declare no conflicts of interest.

Reprints: Hakan Kaçar, MD, Halaskargazi caddesi, Etfal sokak, Şişli hamidiye etfal eğitim araştırma hastanesi kat:6 göz kliniği, Şişli, Istanbul/Turkey (e-mail: hakankacar@windowslive.com).

Received June 14, 2018

Accepted August 23, 2018

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