Retinal changes before and after silicone oil removal in eyes with rhegmatogenous retinal detachment using swept‐source optical coherence tomographyopen access
- Authors
- Lee, Jungwook; Cho, Heeyoon; Kang, Minho; Hong, Rimkyung; Seong, Mincheol; Shin, Yong Un
- Issue Date
- Nov-2021
- Publisher
- MDPI
- Keywords
- OCT angiography; Retinal thickness; Rhegmatogenous retinal detachment; Silicone oil removal; Silicone oil tamponade; Swept‐source optical coherence tomography
- Citation
- Journal of Clinical Medicine, v.10, no.22, pp.1 - 14
- Indexed
- SCIE
SCOPUS
- Journal Title
- Journal of Clinical Medicine
- Volume
- 10
- Number
- 22
- Start Page
- 1
- End Page
- 14
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/140446
- DOI
- 10.3390/jcm10225436
- ISSN
- 2077-0383
- Abstract
- This study aimed to evaluate and compare the retinal and choroidal thickness and vessel density (VD) changes between silicone oil (SO) tamponade and after SO removal using swept-source optical coherence tomography (SS‐OCT) and OCT angiography (OCTA). Thirty patients who underwent pars plana vitrectomy for retinal detachment (RD) with SO tamponade were included. SS‐OCT and OCTA were conducted before RD surgery, during SO tamponade, and after SO re-moval. A 3‐dimensional volumetric wide scan protocol was used for the analysis. The segmented retina, choroidal thickness map, and peripapillary thickness were then measured. For the OCTA analysis, 4.5 × 4.5 mm scans were used. Superficial and deep capillary plexus VDs in unaffected fellow eyes and eyes after SO removal were compared. During the SO tamponade period, the thickness of the parafoveal total retina, ganglion cell‐inner plexiform layer, and peripapillary retinal nerve fiber layer (ppRNFL) were significantly thinner than those of unaffected fellow eyes (p < 0.05). The parafoveal layer thickness thinning recovered up to three to six months after SO removal. More-over, six months after SO removal, the parafoveal thickness was not significantly different compared to that of unaffected fellow eyes (p > 0.05). However, the ppRNFL thickness was significantly decreased during SO tamponade and remained unrecovered six months after SO removal. There was no significant difference in the VD on the OCTA. Thus, SO tamponade and removal for RD resulted in a change in the retinal and peripapillary thickness. This may be due to the mechanical pressure effect of SO.
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