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Nerve transfer to t...
Nerve transfer to the median nerve using parts of the ulnar and radial nerves in the rabbit : effects on motor recovery of the median nerve and donor nerve morbidity
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- Lutz, Barbara S. (författare)
- Departments of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taipei, Taiwan
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- Chuang, D. C. C. (författare)
- Departments of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taipei, Taiwan
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- Chuang, S. S. (författare)
- Departments of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taipei, Taiwan
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- Hsu, J. C. (författare)
- Departments of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taipei, Taiwan
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- Ma, S. F. (författare)
- Departments of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taipei, Taiwan
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- Wei, F. C. (författare)
- Departments of Plastic and Reconstructive Surgery, Chang Gung Memorial Hospital, Chang Gung University, Taipei, Taiwan
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(creator_code:org_t)
- 2016-11-07
- 2000
- Engelska.
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Ingår i: Journal of Hand Surgery - British and European Volume. - : SAGE Publications. - 0266-7681 .- 1532-2211. ; 25:4, s. 329-335
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- In this study, motor re-innervation of the median nerve by transfer of one-third, one-half, and two-thirds of either the agonistic ulnar nerve or the antagonistic radial nerve was investigated in both extremities of 20 rabbits.Recipient median nerve: Muscle contraction force of the flexor digitorum sublimus muscle after a one-third and a one-half of the ulnar nerve transfer achieved an average of 75 and 97% muscle power respectively as compared to conventional end-to-end neurorrhaphy. Muscle contraction force after one-third or one-half of the radial nerve transfer was significantly lower (36%).Donor nerves: Extensor carpi radialis muscle or flexor carpi ulnaris muscle contraction force 6 months postoperatively demonstrated a significant decrease after a one-half ulnar nerve and a two-thirds ulnar or radial nerve transfer, but not after a one-third transfer of either radial or ulnar nerves.Histologically, the number of axons in the re-innervated median nerve and both donor nerves distal to the coaptation site seemed to follow variable patterns.It was concluded that in the rabbit use of one-third of the agonistic ulnar nerve for re-innervation of the median nerve results in useful motor recovery with negligible donor site morbidity. Clinically, this technique may offer an alternative option for proximal nerve injuries or for free functioning muscle transplantations.
Nyckelord
- MEDICINE
- MEDICIN
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