LONG-TERM MORPHOLOGIC CHANGES IN MACULAR NEOVASCULARIZATION UNDER AFLIBERCEPT TREATMENT WITH A TREAT-AND-EXTEND REGIMEN

Yuyako Nakano, Jun Takeuchi, Etsuyo Horiguchi, Hikaru Ota, Yosuke Taki, Yasuki Ito, Hiroko Terasaki, Koji M. Nishiguchi, Keiko Kataoka

研究成果: ジャーナルへの寄稿学術論文査読

抄録

Purpose:To examine the morphologic changes in macular neovascularization (MNV) secondary to age-related macular degeneration after 2 years of aflibercept treatment under a treat-and-extend (T&E) regimen.Methods:This retrospective study analyzed the medical records for 26 eyes of 25 patients diagnosed with treatment-naive neovascular age-related macular degeneration and treated with aflibercept under a treat-and-extend regimen for 2 years. The areas of the MNV and vascular structures were assessed using swept-source optical coherence tomography angiography at baseline and after 2 years of treatment.Results:The mean MNV area increased significantly from 0.65 ± 0.42 mm2 at baseline to 0.78 ± 0.45 mm2 at 2 years. At 2 years, the mean change in the MNV area from baseline was 22% (interquartile range: 4%-60%). The baseline MNV area was negatively correlated with the change ratio of the MNV areas at 2 years and baseline (R = -0.68, P < 0.001). Nine of the 26 eyes (34.6%) showed newly formed mature vessels, and 7 eyes (26.9%) showed prominently developing preexisting mature vessels.Conclusion:Macular neovascularization expanded and showed vascular maturation under aflibercept treatment with a treat-and-extend regimen. The smaller the MNV at baseline, the greater is its expansion in 2 years.

本文言語英語
ページ(範囲)412-419
ページ数8
ジャーナルRetina
43
3
DOI
出版ステータス出版済み - 01-03-2023

All Science Journal Classification (ASJC) codes

  • 眼科学

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