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Vortex vein engorgement and different shapes of venous drainage systems in polypoid choroidal vasculopathy vs. age‑related macular degeneration on indocyanine green angiography

  • Authors:
    • Chen-Xi Cai
    • Xiao-Mei Xiong
    • Tao Li
    • Bing-Qian Liu
    • Xin-Hua Huang
    • Shan-Shan Yu
    • Zhen-Qiang Lin
    • Qiang Wang
    • Jin-Li Cui
    • Lin Lu
    • Ying Lin

  • View Affiliations

  • Published online on: February 23, 2023     https://doi.org/10.3892/etm.2023.11861
  • Article Number: 162

  • Copyright: © Cai et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

There are differences in vortex vein engorgement and appearance in polypoid choroidal vasculopathy (PCV), age‑related macular degeneration (AMD), and healthy eyes. The present study aimed to use indocyanine green angiography (ICGA) to find a simple, clinically meaningful method for evaluating the filling degree of vortex veins in various eye diseases. Participant clinical characteristics were recorded. The number of vortex veins (NVV), central vortex vein diameter (CVVD), mean root area of the vortex vein (MRAVV), mean diameter of the thickest peripheral branch (MDPTB), subfoveal choroidal thickness and percentage of vortex vein anastomosis (PVVA) were obtained by marking the vortex veins on ICGA. The proportion of subretinal haemorrhage and the numbers and types of vortex veins in each quadrant were counted separately. The CVVD and MDPTB were significantly increased in the PCV compared with those in the AMD group (P<0.05). The CVVD, MRAV, and PVVA were significantly increased in the PCV compared with those in the healthy group (P<0.05). The type IV vortex vein (complete with ampulla) proportion was the lowest while the type I (vortex vein absent) proportion was the highest in the PCV group (P<0.001). NVV in the inferior‑temporal region was increased in the PCV compared with that in the AMD group (P=0.034). Subretinal haemorrhage occurred in the inferior temporal choroid in 47.62% of examined eyes in PCV group, and in the superior temporal choroid in 23.81% of the PCV group, with significant differences between the quadrants (P<0.001). Vortex vein engorgement and shape differed significantly between PCV, AMD and healthy eyes. The vortex vein branches in PCV eyes were significantly dilated in the posterior pole; moreover, the peripheral choroid and the lower proportion of type IV vortex veins may be pathognomonic for PCV.
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April-2023
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Spandidos Publications style
Cai C, Xiong X, Li T, Liu B, Huang X, Yu S, Lin Z, Wang Q, Cui J, Lu L, Lu L, et al: Vortex vein engorgement and different shapes of venous drainage systems in polypoid choroidal vasculopathy vs. age‑related macular degeneration on indocyanine green angiography. Exp Ther Med 25: 162, 2023
APA
Cai, C., Xiong, X., Li, T., Liu, B., Huang, X., Yu, S. ... Lin, Y. (2023). Vortex vein engorgement and different shapes of venous drainage systems in polypoid choroidal vasculopathy vs. age‑related macular degeneration on indocyanine green angiography. Experimental and Therapeutic Medicine, 25, 162. https://doi.org/10.3892/etm.2023.11861
MLA
Cai, C., Xiong, X., Li, T., Liu, B., Huang, X., Yu, S., Lin, Z., Wang, Q., Cui, J., Lu, L., Lin, Y."Vortex vein engorgement and different shapes of venous drainage systems in polypoid choroidal vasculopathy vs. age‑related macular degeneration on indocyanine green angiography". Experimental and Therapeutic Medicine 25.4 (2023): 162.
Chicago
Cai, C., Xiong, X., Li, T., Liu, B., Huang, X., Yu, S., Lin, Z., Wang, Q., Cui, J., Lu, L., Lin, Y."Vortex vein engorgement and different shapes of venous drainage systems in polypoid choroidal vasculopathy vs. age‑related macular degeneration on indocyanine green angiography". Experimental and Therapeutic Medicine 25, no. 4 (2023): 162. https://doi.org/10.3892/etm.2023.11861