ArticleBMC ophthalmology2023
Choroidal vascular changes in silicone oil-filled eyes after vitrectomy for rhegmatogenous retinal detachments.
Article in BMC ophthalmology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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Who cites it
9 citing papers in PubMed, 10 citations in OpenAlex.
- Effect of shorter silicone oil tamponade time on visual function recovery and associated factors in patients with rhegmatogenous retinal detachment.BMC ophthalmology · 2026Trial
- Does axial length drive retinal displacement after repair of rhegmatogenous retinal detachment following phacoemulsification.BMC ophthalmology · 2026Article
- The evaluation of choroidal vascular index in the patients undergoing surgical treatment for retinal detachment.Lasers in medical science · 2026Article
- The Role of OCTA and Microperimetry in Revealing Retinal and Choroidal Perfusion and Functional Changes Following Silicone Oil Tamponade in Rhegmatogenous Retinal Detachment: A Narrative Review.Diagnostics (Basel, Switzerland) · 2025Review
- Comparison of choroidal vascularity index in rhegmatogenous retinal detachment: impact of silicone-oil vs. gas tamponade following pars plana vitrectomy.BMC ophthalmology · 2025Article
- Silicone Oil Affects Fibrosis of Human Trabecular Meshwork Cells by Upregulating Ferroptosis Through a ROS/NOX4/Smad3 Axis.Investigative ophthalmology & visual science · 2025Article
- Study of Macular Microvascular Changes in Patients with Symptomatic Lacunar Cerebral Infarction Using Viaoptical Coherence Tomography Angiography (OCTA).International journal of general medicine · 2025Article
- Choroidal and Retinal OCTA Parameters after Scleral Buckling.Journal of ophthalmic & vision research · 2024Article
- Application of Silicone in Ophthalmology: A Review.Materials (Basel, Switzerland) · 2024Review
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
introductionThe tamponade of silicone oil (SO) can affect both the structure and blood flow of the retina. However, there are few studies on the effect of SO tamponade on choroidal blood flow. Our study aimed to compare the effects of SO tamponade on the choroidal vascular index (CVI) and choroidal thickness (CT) in patients with unilateral rhegmatogenous retinal detachment (RRD) with operated eyes and fellow healthy eyes.
methodsWe retrospectively collected demographic and clinical data from 36 patients who underwent 23G pars plana vitrectomy and SO tamponade for unilateral complicated RRD. Enhanced depth imaging-optical coherence tomography (EDI-OCT) scans were performed both within 1 week before SO removal and at the last follow-up visit after SO removal. Using ImageJ software, images were binarized to segment the total choroidal area, luminal area, and stromal area, respectively. The CVI was calculated as CVI=(luminal area)/(total choroidal area), and CT was also evaluated.
resultsDuring SO tamponade, the CVI and luminal area in operated eyes were significantly lower compared to fellow eyes (57.616 ± 0.030 vs. 60.042 ± 0.019, P < 0.0001; 0.909 [0.694; 1.185] vs. 1.091 [0.785; 1.296], P = 0.007). Even after SO removal, the CVI remained lower in operated eyes than in fellow eyes (59.530 ± 0.018 vs. 60.319 ± 0.020, P = 0.031). Both CVI and luminal area were lower in operated eyes before SO removal than after SO removal (57.616 ± 0.030 vs. 59.530 ± 0.018, P = 0.0003; 0.909 [0.694; 1.185] vs. 0.994 [0.712; 1.348], P = 0.028). The duration of SO tamponade was positively correlated with the difference in CVI between fellow eyes and operated eyes during SO tamponade (P = 0.035). Total choroidal area, stromal area, and CT did not differ significantly between fellow eyes and operated eyes or between pre- and post-SO removal.
conclusionsSO tamponade reduces CVI and decreases choroidal blood circulation in patients with retinal detachments required vitrectomy combined with SO tamponade. The longer the SO tamponade time, the more CVI reduction. In future work, we will aim to reduce these side effects by shortening the duration of silicone oil filling.
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Registered trials
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