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

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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.

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Authors and Affiliations

  1. Vitreo-Retinal Service, Karolinska Institute, St. Erik Eye Hospital, Flemiggatan 22, S-112 82, Stockholm, Sweden

    Lennart Berglin, Jianming Ren & Peep V. Algvere

Authors
  1. Lennart Berglin
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  2. Jianming Ren
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  3. Peep V. Algvere
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Additional information

Presented in part at the annual meeting of the Association for Research in Vision and Ophthalmology, Sarasota, Florida, May 8, 1992

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Berglin, L., Ren, J. & Algvere, P.V. Retinal detachment and degeneration in response to subretinal perfluorodecalin in rabbit eyes. Graefe's Arch Clin Exp Ophthalmol 231, 233–237 (1993). https://doi.org/10.1007/BF00918847

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  • DOI: https://doi.org/10.1007/BF00918847

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