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    To assess the efficacy of a single dexamethasone intravitreal implant (Dex-I) injection for the treatment of diabetic macular edema (DME). This was a retrospective chart review of 39 eyes (34 consecutive patients). Best-corrected visual acuity (BCVA), central macular thickness (CMT), and increase in intraocular pressure (IOP) (gt;24 mm Hg) were analyzed before treatment and 2 and 4 months after injection. Preoperative mean CMT was 559 ± 111 μm and decreased to 338 ± 84 and 477 ± 140 μm 2 and 4 months after injection, respectively. Although all eyes showed a significant decrease in CMT 2 months after injection (p<0.0001), a recurrence of the macular edema was observed 4 months after injection in 79% of eyes. Mean BCVA improvement (logMAR) was 0.13 ± 0.18 (p<0.0001) and 0.07 ± 0.21 (p = 0.049) 2 and 4 months after injection, respectively, without significant difference between vitrectomized and nonvitrectomized eyes. Eight eyes (21%) developed reversible increase in IOP 2 months after injection. Thirty percent of DME eyes had gained more than 2 logMAR lines 2 months after Dex-I injection and safety was good. Visual acuity gain was maintained 4 months after injection despite a recurrence of edema in most cases.

    Citation

    Sophie Bonnin, Bénédicte Dupas, Mohamed El Sanharawi, Julien Perol, Ali Erginay, Ramin Tadayoni, Pascale Massin. Efficacy of dexamethasone intravitreal implant for the treatment of diabetic macular edema. European journal of ophthalmology. 2015 Sep-Oct;25(5):448-53

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    PMID: 25684155

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