Introduction: The purpose of the study was to evaluate the long-term anatomical and functional outcomes in patients with diabetic macular edema (DME) treated with intravitreal dexamethasone implant and to determine the predictive factors for the final visual outcome.
Methods: The study included 54 patients with DME refractory to previous antivascular endothelial growth factor (anti-VEGF) who were treated with intravitreal dexamethasone implant. Predictive factors for visual outcome were assessed. In addition, the change in best-corrected visual acuity (BCVA) and the percentage of patients with edema resolution were evaluated.
Results: At the end of the 12-month follow-up, patients with DME gained + 5.2 letters (about 1 Snellen line), while 57.4% of patients presented total resolution of macular edema. Negative predictive factors for the final visual outcome were found to be increasing age, increasing macular thickness, phakic status, the presence of intraretinal fluid, hyperreflective foci, hard exudates, as well as external limiting membrane and ellipsoid zone disruption. The mean number of injections was 2.1.
Conclusions: The various predictive factors that determine the visual outcome and possibly define patient prognosis after dexamethasone intravitreal implant in DME cases have been studied. The long follow-up showed that dexamethasone intravitreal implant seems to be a safe and effective treatment for this disease, requiring a limited number of injections.
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| http://dx.doi.org/10.1007/s13300-017-0332-x | DOI Listing |
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