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ORIGINAL ARTICLE
Year : 2021  |  Volume : 34  |  Issue : 1  |  Page : 391-397

Comparison of choroidal thickness before and after injection of ranibizumab in patients with diabetic macular edema


1 Department of Ophthalmology, Faculty of Medicine, Menoufia University, Menoufia, Egypt
2 Department of Ophthalmology, Ophthalmology Hospital, Menoufia, Egypt

Correspondence Address:
Lamiaa T. M. Kashkoush
Shebin El-Kom, Menoufia
Egypt
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/mmj.mmj_262_20

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Objective To compare choroidal thickness before and after injection of ranibizumab in patients with diabetic macular edema (DME) using enhanced depth optical coherence tomography (EDI-OCT). Background DME is one of the most common complications of diabetic retinopathy (DR) and the most common cause of visual impairment. Intravitreal injection of antivascular endothelial growth factor is currently the most commonly used procedure for the treatment of DME. Patients and methods A prospective clinical study was conducted on 30 eyes of 27 patients of DME who underwent intravitreal injection of ranibizumab. A complete history was taken from all cases, and a full ophthalmologic examination was done. Fluorescein angiography and EDI-OCT were performed before injection and also at 1 month after injection. The difference between preoperative and postoperative subfoveal choroidal thickness was calculated. Result The mean preoperative choroidal thickness measured subfoveally using EDI-OCT was 233.1 ± 20.22, whereas the mean of postoperative choroidal thickness after 1 month was 214.4 ± 19.61. The range of difference between preoperative and 1 month postoperative choroidal thickness using EDI-OCT was from 23 to 28 μm and the mean was 18.67 ± 8.99; the difference was calculated by subtracting the preoperative choroidal thickness from 1-month postoperative choroidal thickness. Conclusion There is a significant difference between the preoperative and 1-month postoperative choroidal thickness using EDI-OCT after injection of intravitreal ranibizumab in DME.


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