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Intravitreal dexamethasone implant in patients with persistent diabetic macular edema

Ophthalmologica, ISSN: 0030-3755, Vol: 228, Issue: 2, Page: 117-122
2012
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Article Description

Purpose: To evaluate the effects of a single injection of Ozurdex over 6 months in eyes with persistent diabetic macular edema (DME). Methods: In this retrospective interventional study, 9 patients with decreased visual acuity, as a result of persistent DME, received Ozurdex (intravitreal dexamethasone implant 0.7 mg). Main outcome measures included changes in best-corrected visual acuity (BCVA) and central retinal thickness (CRT). Results: Nine eyes of 9 patients (5 males, 4 females; mean age 58 years) were included in the analysis. The mean duration of DME was 49.9 months (range 24-85). All patients had undergone previous treatments for DME (intravitreal injection of anti-vascular endothelial growth factor, steroids or laser photocoagulation) before entering the study. At baseline, the mean BCVA was 0.74 ± 0.33 logMAR, and the mean CRT was 502 ± 222.16 μm. The mean BCVA was unchanged on the third day (0.74 ± 0.38 logMAR, p = 0.5), improved to 0.62 ± 0.32 logMAR (p = 0.02), 0.59 ± 0.26 logMAR (p = 0.02) and 0.63 ± 0.38 logMAR (p = 0.6) after the first, third and fourth months, respectively, and decreased again to 0.73 ± 0.35 logMAR (p = 0.4) at 6 months. The mean CRT improved to 397 ± 115.31 μm (p = 0.17), 271 ± 99.97 μm (p = 0.007), 325 ± 133.05 μm (p = 0.03) and 462 ± 176.48 μm (p = 0.36) on the third day and after 1, 3 and 4 months of follow-up and then increased again to 537 ± 265.42 μm (p = 0.33) at 6 months. Eight patients needed retreatments in the sixth month. One eye developed a transient intraocular pressure (IOP) increase 1 month after injection, which was successfully managed with topical IOP-lowering medication. Conclusion: In eyes with persistent DME, Ozurdex produces improvement in BCVA and CRT as soon as the first days after the injection. Such improvement is maintained until the fourth month. Copyright © 2012 S. Karger AG, Basel.

Bibliographic Details

Zucchiatti, Ilaria; Lattanzio, Rosangela; Querques, Giuseppe; Querques, Lea; Del Turco, Claudia; Cascavilla, Maria Lucia; Bandello, Francesco

S. Karger AG

Medicine

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