ArticleInternational ophthalmology2026
Peripapillary intervortex venous anastomoses in central serous chorioretinopathy.
Article in International ophthalmology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
aimTo 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.
methodsAll 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.
resultsOne 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).
conclusionSemiquantitative 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.
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