Turkish neurosurgery · 2023
Effects of Topically Applied Contractubex® on Epidural Fibrosis and Axonal Regeneration in Injured Rat Sciatic Nerve.
СтатьяНазвание и аннотация: Перевод в очереди
Обработка статьи · этапы, ошибки и управление
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Ozay Rafet, Keskin Emrah, Balkan Mehmet Serdar, Aktas Abit, Akturk Umut Dogu, Esener Osman, Akturk Tulin, Hanalioglu Sahin, Atabey Cem, Sekerci Zeki
Аннотация
AIM: To investigate the effects of Contractubex® (Cx) on peripheral nerve regeneration and scar formation.
MATERIAL AND METHODS: A surgical procedure involving sciatic nerve incision in 24 adult male Sprague-Dawley rats followed by epineural suturing was performed. In weeks 4 and 12 following surgery, macroscopic, histological, functional, and electromyographic examinations of the sciatic nerve were conducted.
RESULTS: No significant difference was found between the Cx group and the control group in terms of sciatic function index (SFI) and distal latency results at week 4 (p > 0.05). However, significant improvements in the Cx group were observed in SFI amplitudes and nerve action potentials at week 12 (p < 0.001 and p < 0.001, respectively). Significant improvements were found in the amplitudes of nerve action potentials in the treatment group after weeks 4 and 12 (p < 0.05 and p < 0.001, respectively). Macroscopically and histopathologically, epidural fibrosis decreased (p < 0.05 and p < 0.001, respectively). For both measurement times, the treatment group had significantly higher numbers of axons (week 4, p < 0.05; week 12, p < 0.001), and the treatment group had better results regarding its axon area (weeks 4 and 12, p < 0.001) and myelin thickness (weeks 4 and 12, p < 0.05).
CONCLUSION: Cx, which is applied topically in peripheral nerve injury, affects axonal regeneration and axonal maturation positively and reduces the functional loss.
MATERIAL AND METHODS: A surgical procedure involving sciatic nerve incision in 24 adult male Sprague-Dawley rats followed by epineural suturing was performed. In weeks 4 and 12 following surgery, macroscopic, histological, functional, and electromyographic examinations of the sciatic nerve were conducted.
RESULTS: No significant difference was found between the Cx group and the control group in terms of sciatic function index (SFI) and distal latency results at week 4 (p > 0.05). However, significant improvements in the Cx group were observed in SFI amplitudes and nerve action potentials at week 12 (p < 0.001 and p < 0.001, respectively). Significant improvements were found in the amplitudes of nerve action potentials in the treatment group after weeks 4 and 12 (p < 0.05 and p < 0.001, respectively). Macroscopically and histopathologically, epidural fibrosis decreased (p < 0.05 and p < 0.001, respectively). For both measurement times, the treatment group had significantly higher numbers of axons (week 4, p < 0.05; week 12, p < 0.001), and the treatment group had better results regarding its axon area (weeks 4 and 12, p < 0.001) and myelin thickness (weeks 4 and 12, p < 0.05).
CONCLUSION: Cx, which is applied topically in peripheral nerve injury, affects axonal regeneration and axonal maturation positively and reduces the functional loss.