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Does Electrical Stimulation through Nerve Conduits Improve Peripheral Nerve Regeneration?-A Systematic Review.
Sophie Hasiba-Pappas1, Lars-P Kamolz1,2, Hanna Luze1
1Research Unit for Tissue Regeneration, Repair and Reconstruction, Division of Plastic, Aesthetic and Reconstructive Surgery, Department of Surgery, Medical University of Graz, Auenbruggerplatz 5, A-8036 Graz, Austria.
Journal of Personalized Medicine
|March 29, 2023
Summary
Electrical stimulation combined with nerve conduits significantly improves peripheral nerve regeneration in rat models. This approach offers promising results for treating nerve injuries and warrants further standardized research.
Area of Science:
- Biomedical Engineering
- Regenerative Medicine
- Neuroscience
Background:
- Peripheral nerve injuries impact over 2% of trauma patients, often causing significant disability.
- Autologous nerve transplantation is the standard for nerve defect repair, with conduits used for smaller gaps.
- Combining nerve conduits with electrical stimulation is an emerging strategy for peripheral nerve injury treatment.
Purpose of the Study:
- To review current data on the use of nerve conduits combined with electrical stimulation for peripheral nerve repair.
Main Methods:
- A systematic literature search was conducted across PubMed, Embase, Medline, and the Cochrane Library.
- Included studies focused on in vivo research investigating electrical stimulation through nerve conduits for nerve defects.
Main Results:
- Fifteen studies met the inclusion criteria, all using conduits with stimulation for rat sciatic nerve gaps.
- Functional, electrophysiological, and histological assessments indicated enhanced nerve regeneration with electrical stimulation.
- Significant variability was noted across different treatment protocols.
Conclusions:
- Electrically stimulated nerve conduits demonstrate potential to improve peripheral nerve regeneration in preclinical models.
- The combination of nerve guidance conduits and electrical stimulation shows promising outcomes.
- Further research under standardized conditions is recommended to validate these findings.
