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Analysis of the Time and Location of the Silicone Oil Emulsification by Spectral-domain Optical Coherence Tomography After Silicone Oil Tamponade

Overview
Journal Biomed Res Int
Publisher Wiley
Date 2014 Jun 26
PMID 24963480
Citations 15
Authors
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Abstract

Purpose: To estimate localization and the period up to the appearance of small hyperreflective round-shaped droplets using spectral-domain optical coherence tomography (SD-OCT) after pars plana vitrectomy with silicone oil tamponade.

Methods: A retrospective observational study included 24 patients who had undergone pars plana vitrectomy with silicone oil tamponade for proliferative vitreoretinopathy (PVR) retinal detachment. SD-OCT analysis was performed 1, 3, and 6 months after surgery. We characterized the emulsified silicone oil in the SD-OCT as the small hyperreflective round-shaped droplets.

Results: In SD-OCT examination, none of the patients had hyperreflective round-shaped droplets visible one month after vitrectomy with silicone oil tamponade. The hyperreflective droplets were found three months after surgery-in one patient above the optic nerve and in five patients intraretinally (in the cystoid spaces). Six months after vitrectomy, the hyperreflective round-shaped droplets were still present in the aforementioned patients' eyes and additionally in 3 eyes above the optic disc.

Conclusions: Hyperreflective round-shaped droplets were found in a SD-OCT examination 3 months after silicone oil tamponade. The authors suggest that they are most likely the emulsified silicone oil droplets. The authors hypothesize that emulsification and migration of silicone oil begin within 3 months after surgery.

Citing Articles

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Emulsification of Silicone Oils: Altering Factors and Possible Complications-A Narrative Review.

Latkowska M, Gajdzis M, Kaczmarek R J Clin Med. 2024; 13(8).

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Refinements in the use of silicone oil as an intraocular tamponade.

Wilson D, Te Water Naude A, Snead M Eye (Lond). 2024; 38(10):1810-1815.

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