Peer-reviewed veterinary case report
Effects of chitosan and platelet-rich plasma on facial nerve regeneration in an animal model.
- Journal:
- European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
- Year:
- 2022
- Authors:
- Şahin, Muammer Melih et al.
- Affiliation:
- Department of Otorhinolaryngology/Head and Neck Surgery
- Species:
- rodent
Abstract
PURPOSE: There is still no widely-accepted local agent proven to be effective in nerve regeneration. We aimed to investigate the effects of chitosan gel and platelet-rich plasma MATERIALS AND METHODS: Electrophysiological measurements were performed before and immediately after injury. The injured nerves were covered with spongostan impregnated with the following agents: Group 1 (Control Group): Saline at a dose of 50 µl; Group 2: Chitosan (CHT) at a dose of 50 µl; Group 3: PRP at a dose of 50 ml; and Group 4: a solution of CHT with PRP (1:1). The final measurements were performed after 3 weeks and the injured nerve of each rat was removed. RESULTS: There were statistically-significant differences between the groups regarding the measurements of the after-treatment values of stimulus threshold (p < 0.05). The best improvement in electrophysiological measurement and histopathological evaluation was found in Group 4 (CHT-PRP). CONCLUSION: Chitosan gel has a positive effect on nerve healing and applying it along with PRP can enhance the effect of chitosan.
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Search related cases →Original publication: https://pubmed.ncbi.nlm.nih.gov/33956207/