End-to-side neurorrhaphy supported by transposed active nerve fibers: its functional end result in a rat model

End-to-side neurorrhaphy supported by transposed active nerve fibers: its functional end result...  End-to-side nerve repair is an old-fashioned technique which has been abandoned since the beginning of this century. Recently, new treatment modalities have been investigated to overcome problems associated with peripheral nerve injury where the proximal stumps are not available. In this study, 30 rats were divided into three groups. In the first group the peroneal nerves were sectioned and their distal ends were sutured to the tibial nerve trunk. In the second group, the proximal part of the peroneal nerve was similarly sutured to the tibial trunk. A primary end-to-end neurorrhaphy performed on the peroneal nerves was the control group. At 2, 4, 8, 12, 20, and 28 weeks, functional assessment of nerve regeneration was performed using walking track analysis. The number of myelinated fibers and fiber diameters were measured, and an electron microscopic evaluation was carried out. With morphometric analysis, the values were significantly different in favor of the control group following the end-to-side repair technique. But, according to gait analysis, both groups had a similar satisfactory functional recovery; the classic end-to-side repair group had an unsatisfactory result. It is concluded that end-to-side neurorrhaphy, supported by transposed active nerve fibers, may result in a good integration network at the repair site and is a possible functional reconstruction model where the proximal stump is not available after peripheral nerve injury. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png European Journal of Plastic Surgery Springer Journals

End-to-side neurorrhaphy supported by transposed active nerve fibers: its functional end result in a rat model

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Publisher
Springer-Verlag
Copyright
Copyright © 1998 by Springer-Verlag Berlin Heidelberg
Subject
Medicine & Public Health; Plastic Surgery
ISSN
0930-343X
eISSN
1435-0130
D.O.I.
10.1007/s002380050027
Publisher site
See Article on Publisher Site

Abstract

 End-to-side nerve repair is an old-fashioned technique which has been abandoned since the beginning of this century. Recently, new treatment modalities have been investigated to overcome problems associated with peripheral nerve injury where the proximal stumps are not available. In this study, 30 rats were divided into three groups. In the first group the peroneal nerves were sectioned and their distal ends were sutured to the tibial nerve trunk. In the second group, the proximal part of the peroneal nerve was similarly sutured to the tibial trunk. A primary end-to-end neurorrhaphy performed on the peroneal nerves was the control group. At 2, 4, 8, 12, 20, and 28 weeks, functional assessment of nerve regeneration was performed using walking track analysis. The number of myelinated fibers and fiber diameters were measured, and an electron microscopic evaluation was carried out. With morphometric analysis, the values were significantly different in favor of the control group following the end-to-side repair technique. But, according to gait analysis, both groups had a similar satisfactory functional recovery; the classic end-to-side repair group had an unsatisfactory result. It is concluded that end-to-side neurorrhaphy, supported by transposed active nerve fibers, may result in a good integration network at the repair site and is a possible functional reconstruction model where the proximal stump is not available after peripheral nerve injury.

Journal

European Journal of Plastic SurgerySpringer Journals

Published: Jan 21, 1998

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