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Related Experiment Videos

A biologic tissue adhesive for vitreoretinal surgery.

D J Coleman1, B C Lucas, J A Fleischman

  • 1Department of Ophthalmology, Cornell University Medical College, New York, New York 10021.

Retina (Philadelphia, Pa.)
|January 1, 1988
PubMed
Summary

Researchers developed an autologous bioadhesive for retinal surgery. This innovative tissue glue creates chorioretinal adhesions, aiding in the repair of retinal detachments and tears.

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Area of Science:

  • Ophthalmology
  • Biomaterials Science
  • Regenerative Medicine

Background:

  • Commercially available tissue glue was evaluated for subretinal injection in rabbit eyes with induced retinal detachments.
  • Initial results showed promising chorioretinal adhesions but identified limitations with pooled fibrinogen for human use.

Observation:

  • An adhesive utilizing autologous plasma was developed as a substitute for pooled fibrinogen.
  • This autologous bioadhesive was injected subretinally and intravitreally into rabbit and pig eyes.
  • Histopathological evaluation confirmed circumscribed chorioretinal adhesions at the injection sites in both species.

Findings:

  • The autologous bioadhesive successfully induced chorioretinal adhesions, crucial for retinal reattachment.
  • Histologic examination confirmed the safety and efficacy of the bioadhesive in animal models.

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  • The bioadhesive demonstrated a short acting period of 4-6 days.

    • Implications:

    • The autologous bioadhesive shows potential as an adjunct in vitreoretinal surgery for complex cases like macular holes and large retinal tears.
    • Its ability to facilitate surgical procedures may improve outcomes in challenging ophthalmic conditions.
    • Further investigation could establish this bioadhesive as a valuable tool in retinal surgical techniques.