The importance of the hematoma for fracture healing in rats

Authors

  • Oliver Grundnes
  • Olav Reikerås

DOI:

https://doi.org/10.3109/17453679308993640

Abstract

In 3 groups of rats, bilateral femoral fractures were produced. The fracture hematoma was removed on one side after 30 min, 2 days and 4 days in the 3 groups, respectively. The fractures were mechanically tested at 4 weeks. When the fracture hematoma was removed early, callus production, bending moment, and fracture energy were decreased. Removal of the hematoma at Day 2 or 4 impaired fracture healing even more, as both bending moment, bending rigidity and fracture energy were greatly decreased compared to the control fractures. We conclude that the fracture hematoma favors healing; removal of the hematoma after some days is more harmful to healing than when the hematoma is removed in the initial phase.

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Published

1993-01-01

How to Cite

Grundnes, O., & Reikerås, O. (1993). The importance of the hematoma for fracture healing in rats. Acta Orthopaedica, 64(3), 340–342. https://doi.org/10.3109/17453679308993640