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Related Experiment Videos

Adhesives in larynx repair.

M B Lyons1, G D Lyons, D Webster

  • 1Department of Otorhinolaryngology and Biocommunication, Louisiana State University School of Medicine, New Orleans 70112.

The Laryngoscope
|April 1, 1989
PubMed
Summary

Fibrinogen adhesive offers easier application and superior healing for laryngeal fractures compared to cyanoacrylate glue and gelatin film. This novel biomaterial promotes better cartilage alignment and chondrocyte proliferation for effective fracture repair.

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Area of Science:

  • Biomaterials Science
  • Regenerative Medicine
  • Surgical Innovation

Background:

  • Laryngeal fractures present complex healing challenges.
  • Current fixation methods like cyanoacrylate glue and gelatin film have limitations in application and efficacy.
  • A need exists for improved biomaterials to stabilize and promote healing of laryngeal fractures.

Purpose of the Study:

  • To compare the ease of application and effectiveness of a fibrinogen-adhesive system against cyanoacrylate glue and gelatin film for stabilizing guinea pig laryngeal fractures.
  • To evaluate the histological outcomes of laryngeal fracture repair using these different biomaterials.

Main Methods:

  • Guinea pig laryngeal fractures were created as a model.
  • Fractures were treated with either a fibrinogen-adhesive system, cyanoacrylate glue, or gelatin film (control).

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  • Larynges were serially sectioned after 60 days (fibrinogen) or 35 days (cyanoacrylate) for histological analysis.

    • Main Results:

    • The fibrinogen-adhesive system demonstrated easier application, required no dry surface, and stabilized within 3 minutes.
    • Fibrinogen-treated larynges showed cartilage segment alignment, focal complete fracture healing, and symmetrical chondrocyte proliferation.
    • Cyanoacrylate glue and gelatin film controls exhibited poor alignment and minimal, asymmetrical chondrocyte proliferation.

    Conclusions:

    • Fibrinogen adhesive is superior to cyanoacrylate glue and gelatin film for stabilizing laryngeal fractures.
    • The fibrinogen-adhesive system facilitates better cartilage alignment and promotes more effective fracture healing.
    • This biomaterial represents a promising advancement for treating laryngeal injuries.