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silicone-oil
Vitrectomy and fluid/silicone-oil exchange for giant retinal tears: results at 18 months
      
Sixty-five eyes with giant retinal tears previously reviewed at 6 months after vitrectomy and fluid/silicone-oil exchange were again reviewed 18 months after surgery.
      
Poor acuities were attributed in most cases to cataract associated with silicone-oil contact or macular damage from preoperative macular detachment.
      
We have used silicone-oil injection in a consecutive series of 44 patients with retinal detachment and advanced proliferative vitreoretinopathy, all of whom had previously failed to reattach with vitrectomy, membrane peeling, and scleral buckling.
      
Silicone-oil removal was performed in 69% of the anatomically and visually successful eyes without recurrent retinal detachment.
      
Because of the frequent and severe complications associated with the use of silicone oil, we recommend that silicone-oil injection be considered only when conventional vitreoretinal techniques have failed to achieve retinal reattachment.
      
Silicone-oil injection during closed microsurgery for diabetic retinal detachment
      
For each silicone-oil type, light-microscopic examination revealed the presence of abundant extracellular lipid-like droplets and a dense cellular infiltrate composed of macrophages, lymphocytes and multinucleated giant cells.
      
We observed no differences with respect to the amount of phagocytotic activity for the different silicone-oil types tested.
      
Our results suggest that emulsification, phagocytosis and granulomatous inflammation are associated with intraocular silicone-oil implantation.
      
Vitrectomy and fluid/silicone-oil exchange for giant retinal tears: 5 years follow-up
      
A series of 64 eyes, in 64 patients with giant retinal tears, treated by vitrectomy and fluid/silicone-oil exchange, has been reviewed after 5 years.
      
To determine the exact role of various factors in silicone-oil emulsification, we investigated eight different silicone oils with specific physicochemical characteristics in terms of their rate of emulsification.
      
High contents of hydroxyl end groups enhanced silicone-oil emulsification to a greater extent than did phenyl side groups.
      
We describe the long-term results after treatment of 68 eyes showing advanced stages of proliferative vitreoretinopathy with vitrectomy, daunomycin perfusion, and silicone-oil injection.
      
were purified and separated into cytoplasmic and plastid fractions by a selective silicone-oil filtration.
      
Photosynthesis and intracellular inorganic carbon were measured in air-grown and high-CO2-grown cells using a silicone-oil centrifugation technique.
      
The internal inorganic-carbon pool (HCO3-+CO2] was measured using a silicone-oil-layer centrifugal filtering technique.
      
We have used a double silicone-oil-layer centrifugation system in order to obtain true initial uptake rates in forward-reaction experiments.
      
Muscat de Frontignan was investigated using vacuum-filtration and silicone-oil-filtering techniques.
      
 

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