Analysis of the Time and Location of the Silicone Oil Emulsification by Spectral-domain Optical Coherence Tomography After Silicone Oil Tamponade
Overview
Biotechnology
General Medicine
Affiliations
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.
The Role of Eye Movements in the Process of Silicone Oil Emulsification After Vitreoretinal Surgery.
Nepita I, Brusati C, Liggieri L, Ravera F, Ferrara M, Stocchino A Bioengineering (Basel). 2024; 11(11).
PMID: 39593741 PMC: 11591131. DOI: 10.3390/bioengineering11111081.
Valentin-Bravo F, Stanga P, Reinstein U, Stanga S, Martinez-Tapia S, Pastor-Idoate S Saudi J Ophthalmol. 2024; 38(2):112-122.
PMID: 38988778 PMC: 11232747. DOI: 10.4103/sjopt.sjopt_193_23.
Vision loss associated with silicone oil endotamponade in vitreoretinal surgery - a review.
Januschowski K, Rickmann A, Smith J, Pastor-Idoate S, Pastor J Graefes Arch Clin Exp Ophthalmol. 2024; 262(11):3453-3463.
PMID: 38888804 DOI: 10.1007/s00417-024-06520-y.
Emulsification of Silicone Oils: Altering Factors and Possible Complications-A Narrative Review.
Latkowska M, Gajdzis M, Kaczmarek R J Clin Med. 2024; 13(8).
PMID: 38673681 PMC: 11051299. DOI: 10.3390/jcm13082407.
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.
PMID: 38548945 PMC: 11226643. DOI: 10.1038/s41433-024-03027-y.