当前位置： SCI文献检索 > JOURNAL OF RECONSTRUCTIVE MICROSURGERY期刊下所有文献 > Structural and functional regeneration of muscle-related axons after transection and repair of the rat sciatic nerve using nonvascularized autologous fascia as a barrier between tibial and peroneal nerve fascicles.

Structural and functional regeneration of muscle-related axons after transection and repair of the rat sciatic nerve using nonvascularized autologous fascia as a barrier between tibial and peroneal nerve fascicles.

Abstract：

:Aberrant reinnervation of target organs caused by misdirected axonal growth at the repair site is a major reason for the poor functional outcome usually seen after peripheral nerve transection and repair. This study investigates whether the criss-crossing of regenerating rat sciatic nerve axons between tibial and peroneal nerve fascicles can be reduced by using non-vascularized autologous fascia as a barrier. The left sciatic nerve was transected and repaired at midthigh as follows: epineurialy sutures (Group A); fascicular repair of tibial and peroneal nerve fascicles (Group B); fascicular repair of tibial and peroneal nerve fascicles separating the two fascicles by non-vascularized autologous fascia (Group C). In the control Group D, only the left tibial fascicle was transected and repaired. Five months postoperatively, the outcome of regeneration was evaluated by histology, by retrograde tracing, and by assessment of the contraction force of the gastrocnemius and tibial anterior muscles. The tracing experiments showed that muscle reinnervation was less abnormal in Group C than in Groups A and B. However, muscle contraction force was not better in Group C than in Groups A and B. With respect to the peroneal nerve innervated muscle, the contraction force in Group C was significantly lower than in Group B. The histologic picture indicated that this inferior result in Group C was due to nerve compression caused by fibrotic scar tissue at the site of the fascia graft. Results of this study show that a non-vascularized autologous fascial graft used as a barrier between two sutured nerve fascicles in adjacency reduces criss-crossing of regenerating axons between the fascicles, but causes significant nerve compression.

journal_name

J Reconstr Microsurg

journal_title

Journal of reconstructive microsurgery

authors

Lutz BS

doi

10.1055/s-2004-861524

subject

Has Abstract

pub_date

2004-11-01 00:00:00

pages

637-44

issue

eissn

0743-684X

issn

1098-8947

journal_volume

pub_type

杂志文章

在线工具

Structural and functional regeneration of muscle-related axons after transection and repair of the rat sciatic nerve using nonvascularized autologous fascia as a barrier between tibial and peroneal nerve fascicles.