Abstract
To compare safety and effectiveness among methods to remove sticky silicone oil bubbles adhered to the retinal surface. This retrospective nonrandomised case series included 14 eyes of 14 patients who had sticky silicone oil residue during silicone oil removal surgery. For small sticky silicone oil bubbles (< 2-disc diameter), aspiration was performed with a 23-gauge vitreous cutter. Residual tiny oil bubbles were then removed with a silicone-tipped flute needle or internal limiting membrane (ILM) peeling. For large sticky silicone oil bubbles (≥ 2-disc diameter) that could not be removed with a 23-gauge vitreous cutter, we devised a more efficient active removal method involving a modified 22-gauge venous indwelling cannula device. The mean preoperative best-corrected visual acuity (BCVA; logarithm of the minimum angle of resolution [logMAR]) significantly improved from 1.28 ± 0.63 logMAR to 0.77 ± 0.58 logMAR (p = 0.014). The postoperative BCVA and improvement in BCVA were significantly better in the ILM peeling group than in the non-ILM peeling group (p = 0.004 and p = 0.045, respectively). Postoperative complications included residual sticky silicone oil bubbles in seven eyes without ILM peeling (50.0%), retinal neuroepithelial layer damage in two eyes (14.3%), and temporary hypotony in five eyes (35.7%). Various methods can safely and efficiently remove sticky silicone oil bubbles adhered to the retinal surface. A 22-gauge venous indwelling cannula enabled simple and safe removal of large sticky silicone oil bubbles, while small residual sticky silicone oil bubbles could be completely removed by ILM peeling.
Highlights
Since the 1960s, silicone oil tamponade has gradually become a standard technique in intraocular surgeries, especially in the treatment of complex retinal detachment.[1]
Various methods can safely and efficiently remove sticky silicone oil bubbles adhered to the retinal surface
A 22-gauge venous indwelling cannula enabled simple and safe removal of large sticky silicone oil bubbles, while small residual sticky silicone oil bubbles could be completely removed by internal limiting membrane (ILM) peeling
Summary
Since the 1960s, silicone oil tamponade has gradually become a standard technique in intraocular surgeries, especially in the treatment of complex retinal detachment.[1]. With the aim of achieving balance between redetachment and other potential complications, successful silicone oil tamponade is usually achieved in 1 to 3 months; the timing of silicone oil removal should be determined on individual basis to ensure acceptable anatomical results.[5, 6]
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