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Sciatic Nerve Regeneration through Venous or Nervous Grafts in the Rat
Foidart-Dessalle, Marguerite; Dubuisson, Annie; Lejeune, André et al.
1997In Experimental Neurology, 148 (1), p. 236-46
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Abstract :
[en] This study analyses the interest of isologous venous grafts filled with saline or with Schwann cells versus nerve grafts as guides for regeneration of the sciatic nerve in 35 Wistar rats. Electrophysiological parameters (conduction velocities and distal latencies of motor responses) and the functional index of De Medinacelli were measured several times from 1 month to 1 year after surgery. An histological analysis was performed on 2 control rats and on 3 rats killed 6 or 12 months after surgery: the total number of fibers was counted on a montage photoprint of the whole nerve, and the diameters of axons and the thickness of the myelin sheath were measured on digitized images. With a portion of nerve as guide, the regeneration is faster than with a vein. However, regeneration after 6 months is at least as good with a venous graft filled with Schwann cells, as assessed by electrophysiological, functional, and histological analysis. The addition of Schwann cells in grafted veins allows the nerve to regenerate through longer gaps than previously described (25 vs 15 mm). In order to assess the quality of nerve regeneration, functional, electrophysiological, and histological analysis are complementary.
Disciplines :
Orthopedics, rehabilitation & sports medicine
Neurology
Author, co-author :
Foidart-Dessalle, Marguerite ;  Université de Liège - ULiège > Département des sciences de la motricité > Biomécanique
Dubuisson, Annie ;  Centre Hospitalier Universitaire de Liège - CHU > Neurochirurgie
Lejeune, André ;  Université de Liège - ULiège > Département Argenco : Secteur MS2F > Hydraulique génér., const. hydraul. et méc. des fluides
Severyns, A.
Manassis, Y.
Delree, P.
Crielaard, Jean-Michel ;  Université de Liège - ULiège > Département des sciences de la motricité > Evaluation et entraînement des aptitudes physiques
Bassleer, Roger ;  Université de Liège - ULiège > Relations académiques et scientifiques (Médecine)
Lejeune, Georges ;  Université de Liège - ULiège > Relations académiques et scientifiques (Médecine)
Language :
English
Title :
Sciatic Nerve Regeneration through Venous or Nervous Grafts in the Rat
Publication date :
November 1997
Journal title :
Experimental Neurology
ISSN :
0014-4886
eISSN :
1090-2430
Publisher :
Elsevier, Atlanta, United States - Florida
Volume :
148
Issue :
1
Pages :
236-46
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 10 May 2010

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