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Comparative study of circumferential nerve suture using the operating microscope. Electrophysiological and histological control

par Ploncard, Philippe
Référence Acta neurochirurgica, 34, 1-4, page (175-183)
Publication Publié, 1976

Article révisé par les pairs

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Résumé :

The aim of the work is to try to compare the results of different methods of circumferential small nerve suture according to the degree of magnification and type of microsurgical technique. Four techniques were studied in 40 Wistar rats: Microsurgical suture with the Set technique. Magnification 25, accurate suture. Microsurgical suture with simple end to end approximation. Magnification 25, accurate suture. Same technique, but delayed suture. Suture with a simple end to end approximation. Magnification 4. Four stitches for reapproximation. After 4 months the sutured nerves have been studied both electrophysiologically and histologically. The results show clearly that the socalled set technique associated with an accurate circumferential suture with 8 stitches under high magnification gives by far the best results, the regeneration rate of the nerve being higher than 80%. The results in groups 3 and 4 are definitely less good. The simple bringing together of both stumps under low magnification with only 4 stitches (group 4) gives the worst results with only 20% of regeneration.