Browsing by Author "Kal, All"

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    Retinal and Choroidal Thickness Changes After Single Anti-VEGF Injection in Neovascular Age-Related Macular Degeneration: Ranibizumab vs Bevacizumab
    (2014) Sizmaz, Selcuk; Kucukerdonmez, Cem; Kal, All; Pinarci, Eylem Yaman; Canan, Handan; Yilmaz, Gursel; https://orcid.org/0000-0002-5877-6536; https://orcid.org/0000-0002-2589-7294; 24803153; AAB-6394-2021; AAK-6987-2021
    Purpose: To evaluate and compare the effects of single intravitreal injection of ranibizumab and bevacizumab on central retinal and choroidal thickness in patients with neovascular age-related macular degeneration (AMD). Methods: Forty eyes of 40 patients with neovascular AMD that underwent intravitreal injection of vascular endothelial growth factor inhibitors (anti-VEGFs) were included. Patients were randomized into 2 groups: 20 eyes received ranibizumab and 20 eyes received bevacizumab injection. Central retinal and choroidal thicknesses of all eyes at baseline and 1 month postinjection scans were measured with Fourier-domain optical coherence tomography (OCT). Student t test and Mann-Whitney U test were used to compare the data. Results: The mean central retinal thickness (CRT) showed significant decrease after single injection of ranibizumab (from 345.0 mu m to 253.5 mu m, p<0.01) and bevacizumab (from 329.5 mu m to 251.0 mu m, p<0.01) at the first month, respectively. There was no significant difference regarding the CRT change between groups (p = 0.39). The mean choroidal thickness decreased from 158.6 mu m (115-317) to 155.5 mu m (111-322) in the ranibizumab group and from 211.5 mu m (143-284) to 201.5 mu m (93-338) in bevacizumab group. The decrease was not significant between groups (p = 0.35). Conclusions: Intravitreal injection of both ranibizumab and bevacizumab provided a significant decrease in CRT; however, the agents caused no significant change in choroidal thickness. Additionally, no difference between ranibizumab versus bevacizumab was observed related to macular edema inhibition.