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Erschienen in: Acta Neurochirurgica 7/2018

28.05.2018 | Original Article - Peripheral Nerves

Transfer of obturator nerve for femoral nerve injury: an experiment study in rats

verfasst von: Depeng Meng, Jun Zhou, Yaofa Lin, Zheng Xie, Huihao Chen, Ronghua Yu, Haodong Lin, Chunlin Hou

Erschienen in: Acta Neurochirurgica | Ausgabe 7/2018

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Abstract

Background

Quadriceps palsy is mainly caused by proximal lesions in the femoral nerve. The obturator nerve has been previously used to repair the femoral nerve, although only a few reports have described the procedure, and the outcomes have varied. In the present study, we aimed to confirm the feasibility and effectiveness of this treatment in a rodent model using the randomized control method.

Methods

Sixty Sprague–Dawley rats were randomized into two groups: the experimental group, wherein rats underwent femoral neurectomy and obturator nerve transfer to the femoral nerve motor branch; and the control group, wherein rats underwent femoral neurectomy without nerve transfer. Functional outcomes were measured using the BBB score, muscle mass, and histological assessment.

Results

At 12 and 16 weeks postoperatively, the rats in the experimental group exhibited recovery to a stronger stretch force of the knee and higher BBB score, as compared to the control group (p < 0.05). The muscle mass and myofiber cross-sectional area of the quadriceps were heavier and larger than those in the control group (p < 0.05). A regenerated nerve with myelinated and unmyelinated fibers was observed in the experimental group. No significant differences were observed between groups at 8 weeks postoperatively (p > 0.05).

Conclusions

Obturator nerve transfer for repairing femoral nerve injury was feasible and effective in a rat model, and can hence be considered as an option for the treatment of femoral nerve injury.
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Metadaten
Titel
Transfer of obturator nerve for femoral nerve injury: an experiment study in rats
verfasst von
Depeng Meng
Jun Zhou
Yaofa Lin
Zheng Xie
Huihao Chen
Ronghua Yu
Haodong Lin
Chunlin Hou
Publikationsdatum
28.05.2018
Verlag
Springer Vienna
Erschienen in
Acta Neurochirurgica / Ausgabe 7/2018
Print ISSN: 0001-6268
Elektronische ISSN: 0942-0940
DOI
https://doi.org/10.1007/s00701-018-3565-1

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