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Aim <p>To assess peripapillary intervortex venous anastomoses in patients with central serous chorioretinopathy (CSCR) and in healthy individuals and its association with the clinical characteristics of CSCR.</p> Methods <p>All participants received multimodal imaging, including a 12-mm optical coherence tomography angiography (OCTA) scan pattern centered on the optic disc for assessment of intervortex venous anastomoses in en face mode. Index of Vortex Anastomoses Number (IVAN) was defined as the number of quadrants of the peripapillary area with apparent vascular connectivity between neighboring quadrants of the eye fundus. IVAN was assessed in accordance with conventional and multimodal-based classifications of CSCR, as well as with laterality of the disease, its course, best-corrected visual acuity, subfoveal choroidal thickness, and central retinal thickness.</p> Results <p>One hundred twenty eyes of 60 CSCR patients (46 males (76.7%), 41.7 ± 7.9&#xa0;years) and 47 eyes of 47 healthy individuals (36 males (76.6%), 42.2 ± 11.8&#xa0;years) were included. IVAN was higher in chronic CSCR (median 4.0) compared to acute CSCR (median 2.0), and in chronic and acute CSCR compared to healthy eyes (median 1.0) (<i>p</i> &lt; 0.001). IVAN was higher in the eyes of patients with bilateral CSCR (median 4.0), than in the active eye of unilateral CSCR patients (median 2.0) (p = 0.0002). The area of retinal pigment epithelium alteration and subfoveal choroidal thickness showed a statistically significant correlation with IVAN (r = 0.45, p<i> &lt;</i> 0.001 and r = 0.35, p = 0.006).</p> Conclusion <p>Semiquantitative analysis of intervortex venous anastomoses in peripapillary area based on en face OCTA showed their variable prevalence in eyes with CSCR, which correlates with clinical classifications of CSCR.</p>

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Peripapillary intervortex venous anastomoses in central serous chorioretinopathy

  • 期刊论文

  • 发表日期：

    2026年1月29日

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  • Dmitrii S. Maltsev,
  • Alexei N. Kulikov,
  • Yana A. Kalinicheva,
  • Jay Chhablani

摘要

Aim

To assess peripapillary intervortex venous anastomoses in patients with central serous chorioretinopathy (CSCR) and in healthy individuals and its association with the clinical characteristics of CSCR.

Methods

All participants received multimodal imaging, including a 12-mm optical coherence tomography angiography (OCTA) scan pattern centered on the optic disc for assessment of intervortex venous anastomoses in en face mode. Index of Vortex Anastomoses Number (IVAN) was defined as the number of quadrants of the peripapillary area with apparent vascular connectivity between neighboring quadrants of the eye fundus. IVAN was assessed in accordance with conventional and multimodal-based classifications of CSCR, as well as with laterality of the disease, its course, best-corrected visual acuity, subfoveal choroidal thickness, and central retinal thickness.

Results

One hundred twenty eyes of 60 CSCR patients (46 males (76.7%), 41.7 ± 7.9 years) and 47 eyes of 47 healthy individuals (36 males (76.6%), 42.2 ± 11.8 years) were included. IVAN was higher in chronic CSCR (median 4.0) compared to acute CSCR (median 2.0), and in chronic and acute CSCR compared to healthy eyes (median 1.0) (p < 0.001). IVAN was higher in the eyes of patients with bilateral CSCR (median 4.0), than in the active eye of unilateral CSCR patients (median 2.0) (p = 0.0002). The area of retinal pigment epithelium alteration and subfoveal choroidal thickness showed a statistically significant correlation with IVAN (r = 0.45, p < 0.001 and r = 0.35, p = 0.006).

Conclusion

Semiquantitative analysis of intervortex venous anastomoses in peripapillary area based on en face OCTA showed their variable prevalence in eyes with CSCR, which correlates with clinical classifications of CSCR.