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Retinal detachment and degeneration in response to subretinal perfluorodecalin in rabbit eyes

  • Lennart Berglin
  • Jianming Ren
  • Peep V. Algvere
Laboratory Investigations

Abstract

Perfluorocarbon liquids, including perfluorodecalin (PFD), are useful intraoperative tools in complicated vitreoretinal surgery, such as for giant retinal tears, PVR and intraocular foreign bodies. Due to its high specific gravity (1.91 g/cm3) subretinal complications of PFD may occur. The consequences of subretinal PFD were studied in 23 albino rabbits (28 eyes). Using glass micropipettes (outer diameter of tip 100–120 qm), we injected 50–100 μl PFD subretinally via the vitreous space. The same volume of BSS was injected into 18 control eyes. Eyes were monitored by indirect ophthalmoscopy and examined by light and electron microscopy at 1, 2 and 3 days, and 1, 2, 4 and 12 weeks. Progressive retinal detachments with newly formed retinal breaks in the inferior quadrants developed in 26 of 28 eyes. As early as 1 day postoperatively, subretinal PFD induced loss of outer and inner segments. Local retinal necrosis occurred in 4 eyes 5–7 days after surgery. A marked vacuole formation in retinal layers and PFD emulsification were regularly seen. The control eyes healed spontaneously. Toxic, mechanical and barrier effects may have caused the retinal damage. We advocate that all PFD be removed from the eye at surgery.

Keywords

Emulsification Retinal Detachment Perfluorocarbon High Specific Gravity Albino Rabbit 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag 1993

Authors and Affiliations

  • Lennart Berglin
    • 1
  • Jianming Ren
    • 1
  • Peep V. Algvere
    • 1
  1. 1.Vitreo-Retinal ServiceKarolinska Institute, St. Erik Eye HospitalStockholmSweden

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