SAFETY AND EFFICACY OF INTRAVITREAL DEXAMETHASONE IMPLANTS IN THE MANAGEMENT OF MACULAR EDEMA SECONDARY TO INFECTIOUS UVEITIS

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Abstract

Purpose:

To assess the safety and efficacy of intravitreal dexamethasone implants in the treatment of macular edema secondary to infectious uveitis.

Methods:

We retrospectively reviewed clinical records from three uveitis referral units in Spain. The main outcome measures were rate of reactivation of infection, improvements in visual acuity and resolution of macular edema, as measured by optical coherence tomography.

Results:

We included eight eyes from seven patients with a median age of 64 years (30–75). Etiologies of the infections were Herpes simplex virus-type 1, Varicela-Zoster virus, Treponema pallidum, Brucella mellitensis, Borrelia burgdorferi, Toxoplasma gondii, and cytomegalovirus. Median visual acuity was 20/160 (20/30–20/400) at baseline and 20/70 (20/25–20/200) at the last follow-up visit. Mean macular thickness was 516 μm (115) at baseline and 266.3 μm (40) at the last follow-up visit. Visual acuity improved in 100% of the eyes and none of the eyes showed macular edema at the last follow-up visit. Five patients required reinjections of the implant. Only one patient required antiglaucoma drops for a temporary increase in ocular pressure. There were no cases of reactivation of the infectious ocular disease. Median follow-up time was 18 months.

Conclusion:

In this small case series of eyes with macular edema secondary to infectious uveitis, treatment with dexamethasone intravitreal implants was not associated with reactivation of the infectious ocular disease. Furthermore, significant improvements in visual acuity and macular thickness were observed in our patients.

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