Journal
PHOTODIAGNOSIS AND PHOTODYNAMIC THERAPY
Volume 39, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.pdpdt.2022.102996
Keywords
Aflibercept; Choroidal vascularity index; Dexamethasone; Diabetic macular oedema; Enhanced depth -optical coherence tomography
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This study evaluated the choroidal vascularity index (CVI) in patients with refractory diabetic macular oedema (DME) after a single dose of intravitreal dexamethasone implant. The results showed a significant decrease in CVI after treatment, indicating potential benefits of this treatment for improving macular oedema in patients.
Purpose: To evaluate choroidal vascularity index (CVI) after a single dose of intravitreal dexamethasone implant in refractory diabetic macular oedema (DME). Methods: Total choroidal area, luminal area, and CVI were measured at baseline, 1st month, and at 3rd month after dexamethasone implant using binarization of enhanced depth imaging optical coherence tomography (EDI-OCT) images. Results: A total of 25 eyes of 25 patients (mean age: 61.4 +/- 8.3 years; 12 males, 13 females), were enroled in the study. All eyes had been previously treated with intravitreal aflibercept injections (mean number of injections 4.6 +/- 2.5). Mean CVI was 70.3 +/- 8.1 prior to intravitreal dexamethasone treatment. It was decreased to 66.1 +/- 9.3 at 1 month and 63.5 & PLUSMN; 10.1 at 3 months after treatment. The mean CVI was significantly decreased at 3 months compared with pre-treatment measures (p = 0.033). Conclusion: CVI was found to be decreased in patients who responded to intravitreal dexamethasone implant.
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