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An experimental model of post-traumatic osteomyelitis in rabbits
1Department of Orthopaedic Surgery, University Hospital, Queen's Medical Centre, Nottingham, UK.
British Journal of Experimental Pathology
|April 1, 1988
Summary
This study details a reliable rabbit tibia model for inducing post-traumatic osteomyelitis. The experimental model effectively simulates infection following open fractures, aiding research into treatments.
Area of Science:
- Orthopedics
- Infectious Diseases
- Animal Models
Background:
- Post-traumatic osteomyelitis is a challenging complication of open fractures.
- Developing reliable animal models is crucial for understanding and treating this condition.
Purpose of the Study:
- To describe a novel experimental model for inducing osteomyelitis in a contaminated open fracture.
- To establish a reproducible method for studying post-traumatic infections in a preclinical setting.
Main Methods:
- Utilized male New Zealand white rabbits with surgically created tibial open fractures.
- Inoculated fracture sites with Staphylococcus aureus at concentrations of 10^6 and 10^7 CFU/mL.
- Monitored animals for bacteriological, radiological, and histological signs of osteomyelitis.
Main Results:
- Osteomyelitis was induced in 2/5 rabbits with 10^6 CFU/mL and 4/5 rabbits with 10^7 CFU/mL Staphylococcus aureus.
- Control animals showed no signs of infection.
- The model demonstrated characteristic findings of post-traumatic osteomyelitis without systemic effects.
Conclusions:
- The described rabbit tibia model is a simple, reliable, and effective method for inducing post-traumatic osteomyelitis.
- This model facilitates research into the prevention and treatment strategies for osteomyelitis following open fractures.