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Short-Term Morphofunctional Changes in Previously Treated Neovascular AMD Eyes Switched to Brolucizumab

医学 阿柏西普 眼科 血管抑制剂 脉络膜新生血管 血管性 视力 黄斑变性 贝伐单抗 外科 化疗
作者
Pasquale Viggiano,Maria Oliva Grassi,Giacomo Boscia,Mariagrazia Pignataro,Giovanni Petruzzella,Enrico Borrelli,Teresa Molfetta,Giovanni Alessio,Francesco Boscia
出处
期刊:Journal of Clinical Medicine [Multidisciplinary Digital Publishing Institute]
卷期号:11 (19): 5517-5517 被引量:7
标识
DOI:10.3390/jcm11195517
摘要

The purpose of the study is to explore the morphofunctional fluctuations in eyes treated for neovascular AMD (nAMD) when treatment is switched from aflibercept or ranibizumab to brolucizumab. A total of 31 eyes of 31 patients with nAMD with type 1 macular neovascularization (MNV) were included. All patients were imaged using spectral domain optical coherence tomography (SD-OCT). The OCT acquisition was performed at the following visits: (i) “T1 visit” corresponding to the last follow-up examination in which an intravitreal injection of aflibercept or ranibizumab was performed before switching to brolucizumab because of the lack of improvement and (ii) “T2 visit” corresponding to the examination performed 1 month after T1, the latter visit corresponding to the day when a switch to brolucizumab injection was performed, (iii) and 1 month after the latter injection “(T3)”. The main outcome measures were: (1) central macular thickness (CMT), (2) choroidal vascularity index (CVI), (3) subfoveal choroidal thickness (CT), and best-corrected visual acuity (BCVA). Functional outcome showed significant differences at each time. Mean ± SD BCVA was 0.43 ± 0.12 LogMAR at T1 and 0.56 ± 0.16 LogMAR at T2 (p = 0.038). A significant improvement in BCVA was displayed at T3 (0.34 ± 0.21 LogMAR) as compared with T2 (p = 0.019). CMT analysis showed fluctuations three times. In detail, T2 displayed a thicker CMT in comparison with T1, although not statistically significant (p = 0.12). Contrariwise, T3 showed a thinner CMT in comparison with T2 (p = 0.002). Analyzing CVI among the three different times, the luminal choroidal area (LCA) and total choroidal area (TCA) showed significantly different values before and after switching to brolucizumab. T2 showed a significant reduction in both vessel lumen and total area compared with T1 (p = 0.032 and p = 0.046, respectively). Moreover, T3 showed a greater value of both LCA and TCA in comparison with T2 (p = 0.008 and p = 0.01, respectively). CT did not show significant differences at each time (p > 0.05). Our results reported early experiences on morphofunctional fluctuations in patients with nAMD who switched to brolucizumab. The anatomical impact of brolucizumab administration appears to result in choroidal vascular enlargement, accompanied by the resolution of subretinal fluid (SRF) and intraretinal fluid (IRF).
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