Determining the maximal length of a vein conduit used as an interposition graft for nerve regeneration

Berish Strauch, Michael Ferder, Susan Lovelle-Allen, Keith Moore, D. J. Kim, Josephine Llena

Research output: Contribution to journalArticlepeer-review

81 Scopus citations


Although autogenous veins have been used as nerve conduits (AVNCs) both experimentally and clinically for short nerve gaps up to 3 cm, investigators have not as yet determined the maximal effective length for functional nerve regeneration. In addition, the role of the distal nerve stump on subsequent nerve growth remains unclear. A rabbit peroneal nerve AVNC model was used to study axonal regeneration through nerve gaps of 1 to 6 cm. After allowing ample time for nerve regeneration, clinical, electrophysiologic, and neurohistologic studies were performed to evaluate nerve growth and functional muscle reinnervation. Comparisons were made with 6-cm conventional nerve grafts. Excellent growth and function were found with AVNCs up to 3 cm in length, with increasing incapacity for regeneration at lengths greater than 3 cm. The distal nerve stump is believed to play a vital role in nerve regrowth.

Original languageEnglish (US)
Pages (from-to)521-527
Number of pages7
JournalJournal of reconstructive microsurgery
Issue number8
StatePublished - Nov 1996
Externally publishedYes

ASJC Scopus subject areas

  • Surgery


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