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J Child Orthop. 2020 Oct 01;14(5):459-465. doi: 10.1302/1863-2548.14.200024.

Autologous cartilage and fibrin sealant may be superior to conventional fat grafting in preventing physeal bone bridge formation - a pilot study in porcines.

Journal of children's orthopaedics

Ahmed A Abood, Bjarne Møller-Madsen, Juan Manuel Shiguetomi-Medina, Hans Stødkilde-Jørgensen, Casper Foldager, Ole Rahbek

Affiliations

  1. Department of Orthopaedics, Aarhus University Hospital, Aarhus, Denmark.
  2. MR-center, Aarhus University Hospital, Aarhus, Denmark.
  3. Department of Orthopaedics, Aalborg University Hospital, Aalborg, Denmark.

PMID: 33204354 PMCID: PMC7666797 DOI: 10.1302/1863-2548.14.200024

Abstract

PURPOSE: The article compares physeal recovery after insertion of autologous cartilage and a conventional fat graft in a standardized porcine physeal gap model. Presence of a bone bridge was the primary outcome.

METHODS: Ten porcines in two groups of five were included in a paired design. A standardized physeal gap in the distal femur was made in all animals. One group (n = 5) was randomized for deposition of autologous cartilage and a Tisseel

RESULTS: MRI - Three bone bridges were seen in the fat grafted gaps. All empty gaps formed a bone bridge. No gaps filled with autologous cartilage and Tisseel

CONCLUSIONS: Fat grafts seems ineffective in preventing bone bridges. The use of autologous cartilage may be superior to the current treatment. However, donor site complications were not investigated. The study serves as a proof of concept study and requires further investigation.

LEVEL OF EVIDENCE: III.

Copyright © 2020, The author(s).

Keywords: bone bridges; cartilage graft; fat graft

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