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Two-year outcomes of PCV after PDT combined with anti-VEGF drug injections Kaho Yamamoto 1 , Satomi Shiose 1 , Shoji Notomi 1 , Yosuke Fukuda 1 , Sawako Hashimoto 1 , Shunji Nakatake 1 , Kumiko Kanou 1 , Masato Akiyama 1 , Keijiro Ishikawa 1 , Koh-Hei Sonoda 1 1Department of Ophthalmology, Graduate School of Medical Sciences, Kyushu University pp.477-483
Published Date 2023/4/15
DOI https://doi.org/10.11477/mf.1410214765
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Abstract Purpose:The purpose of this study is to investigate the two-year outcomes of initial photodynamic therapy(PDT)with anti-vascular endothelial growth factor(VEGF)injections for polypoidal choroidal vasculopathy(PCV).

Cases and methods:This retrospective study included 20 patients(20 eyes with PCV)who were treated with a combination of PDT and intravitreal anti-VEGF drug injection therapy between August 1st, 2017 and August 1st, 2019. The patients received PDT and anti-VEGF therapy over 3 times and were observed for 24 months after PDT. The recurrence was assessed based on new bleeding in the fundus photograph, exudative changes observed in spectral-domain optical coherent tomography, and the polyps in fluorescein fundus angiography. We evaluated the efficacy of this combination therapy by visual acuity, central retinal thickness(CRT), and central choroidal thickness(CCT)at 12 months and 24 months after PDT. In addition, the recurrence rate and the number of intravitreal anti-VEGF drug injections were also examined.

Results:The mean logMAR visual acuity was improved(0.25 at baseline, 0.12 at 1 year after, and 0.14 at 2 years after;P<0.05)with decrease in the mean CRT(333.3 μm at baseline, 231.9 μm at 1 year after, and 237.7 μm at 2 years after;P<0.05)and mean CCT(264.6 μm at baseline, 220.3 μm at 1 year after, and 234.9 μm at 2 years after;P<0.05). Fifteen eyes(75%)showed recurrence during the observation period. The patients' characteristics, polyp type, and baseline CCT and CRT had no correlation with the visual acuity at 24 months. Forty percent eyes in the recurrent group showed recurrence more than 12 months after PDT. Moreover, the eyes which showed recurrence in a year after PDT tended to have thinner CCT(234.9 μm)than those which showed recurrence one year after PDT(314.3 μm).

Conclusion:The combination of PDT and anti-VEGF drug therapy was effective in maintaining the visual acuity with subfoveal exudative improvement in PCV patients two years after the therapy. However, some patients showed long-term recurrence after PDT;they needed additional treatments and careful follow-up. The thinner CCT at baseline could be a risk factor for earlier recurrence after the PDT-combined anti-VEGF drug therapy for PCV.


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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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