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Purpose <p>To detect choroidal markers of disease activity in eyes with chronic active unilateral pachychoroid disease spectrum (PDS) compared to the non-active contralateral eyes, based on multimodal imaging and particularly indocyanine green angiography (ICGA).</p> Methods <p>An observational retrospective case-control study. The study evaluated individuals diagnosed with chronic active unilateral PDS (group 1) by comparing the eyes with the non-active fellow eyes (group 2). Imaging was performed using fundus photographs, ICGA, and spectral-domain optical coherence tomography (SD-OCT). Choroidal thickness, choroidal vascular density, choroidal vasodilation, choroidal vascular leakage, and choroidal meridian breakdown were evaluated.</p> Results <p>Of the 90 patients with chronic PDS with ICGA at our database, 27 Caucasians (mean age: 55.9 years) were identified with active unilateral PDS. Group 1 showed a higher prevalence of the following parameters compared to Group 2: choroidal meridian breakdown (81.5% vs. 25.9%; <i>p</i> &lt; 0.001), choroidal vasodilation (88.9% vs. 48.1%; <i>p</i> &lt; 0.001), greater subfoveal choroidal thickness (420 ± 79.8&#xa0;μm vs. 346 ± 78.5&#xa0;μm; <i>p</i> = 0.002), ICGA choroidal vascular leakage (96.3% vs. 29.6%; <i>p</i> &lt; 0.001), and choroidal hyperpermeability (100% vs. 29.6%; <i>p</i> &lt; 0.001), with a nonsignificant increase in choroidal vascular density (55.4%±13.4 vs. 49.3%±13.5 in the contralateral eye; <i>p</i> = 0.167).</p> Conclusion <p>Choroidal meridian breakdown, thicker choroid, choroidal vasodilation, and ICGA choroidal vascular leakage are potential posterior choroidal markers of disease activity in PDS.</p>

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Analysis of choroidal markers of activity in pachychoroid disease spectrum

  • 期刊论文

  • 发表日期：

    2025年1月24日

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  • Raphaela M. Fuganti,
  • Fernando Campiolo,
  • Ahmad Mansour,
  • Luiz H. Lima,
  • Mauricio Maia,
  • Antonio Marcelo Casella

摘要

Purpose

To detect choroidal markers of disease activity in eyes with chronic active unilateral pachychoroid disease spectrum (PDS) compared to the non-active contralateral eyes, based on multimodal imaging and particularly indocyanine green angiography (ICGA).

Methods

An observational retrospective case-control study. The study evaluated individuals diagnosed with chronic active unilateral PDS (group 1) by comparing the eyes with the non-active fellow eyes (group 2). Imaging was performed using fundus photographs, ICGA, and spectral-domain optical coherence tomography (SD-OCT). Choroidal thickness, choroidal vascular density, choroidal vasodilation, choroidal vascular leakage, and choroidal meridian breakdown were evaluated.

Results

Of the 90 patients with chronic PDS with ICGA at our database, 27 Caucasians (mean age: 55.9 years) were identified with active unilateral PDS. Group 1 showed a higher prevalence of the following parameters compared to Group 2: choroidal meridian breakdown (81.5% vs. 25.9%; p < 0.001), choroidal vasodilation (88.9% vs. 48.1%; p < 0.001), greater subfoveal choroidal thickness (420 ± 79.8 μm vs. 346 ± 78.5 μm; p = 0.002), ICGA choroidal vascular leakage (96.3% vs. 29.6%; p < 0.001), and choroidal hyperpermeability (100% vs. 29.6%; p < 0.001), with a nonsignificant increase in choroidal vascular density (55.4%±13.4 vs. 49.3%±13.5 in the contralateral eye; p = 0.167).

Conclusion

Choroidal meridian breakdown, thicker choroid, choroidal vasodilation, and ICGA choroidal vascular leakage are potential posterior choroidal markers of disease activity in PDS.