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The prevention of peridural adhesions: A comparative long-term histomorphometric study using a biodegradable barrier and a fat graft

  • Jaap J. Quist
  • , Wouter J.A. Dhert*
  • , Björn P. Meij
  • , Walter J. Visser
  • , F. Cumhur Oner
  • , Herman A.W. Hazewinkel
  • , Abraham J. Verbeut
  • *Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    51 Citations (Scopus)

    Abstract

    We studied peridural fibrosis in 16 dogs after laminectomies at the L2, L4 and L6 levels. They received either a free fat graft, a biodegradable mechanical barrier (polyethylene oxide (PEO)/polybutylene terephthalate (PET) copolymer), or no treatment. The animals were killed after 4, 12, 26 and 52 weeks. Histomorphometry showed extensive and consistent peridural fibrosis in control and PEO/PBT groups. Fat grafts produced significantly less fibrous tissue, but the presence of the fat graft in the bony defect prevented closure. Degradation of the PEO/PBT barrier resulted in the formation of more fibrous tissue. We conclude that up to one year a free fat graft is effective in reducing the amount of peridural scarring.

    Original languageEnglish
    Pages (from-to)520-526
    Number of pages7
    JournalJournal of Bone and Joint Surgery (Br)
    Volume80
    Issue number3
    DOIs
    Publication statusPublished - May 1998

    Keywords

    • Econometric and Statistical Methods: General
    • Geneeskunde(GENK)
    • Algemeen onderzoek
    • Surgery

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