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Inside-out vein graft and inside-out artery graft in rat sciatic nerve repair

✍ Scribed by Alécio Santos Barcelos; Antonio Castro Rodrigues; Maeli Dal Pai Silva; Carlos R. Padovani

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
294 KB
Volume
23
Category
Article
ISSN
0738-1085

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✦ Synopsis

Abstract

Although veins and arteries present similar wall structures, there are differences which may be relevant in peripheral nerve reconstruction. Inside‐out vein grafts (IOVG) have been satisfactorily used to repair both motor and sensitive nerves. However, the inside‐out artery graft (IOAG) is a new technique and not fully investigated. Our study presents comparative morphological data on nerve regeneration achieved with IOVG and IOAG in the repair of Wistar rat sciatic nerves. Jugular veins and aorta arteries were harvested from donor animals and used “inside‐out” to bridge a 10‐mm gap. Animals were sacrificed at 10 weeks to evaluate nerve regeneration. Both techniques presented great variability in nervous tissue, though some animals showed satisfactory results. Different intensities of scarring processes might have interfered with nerve regeneration. Although IOVG and IOAG techniques showed similar morphometric results, in general, IOVG presented a closer‐to‐normal nerve organization than IOAG. © 2003 Wiley‐Liss, Inc. MICROSURGERY 23:66–71 2003

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