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Related Experiment Video

Updated: May 19, 2026

Treatment with Vancomycin Loaded Calcium Sulphate and Autogenous Bone in an Improved Rabbit Model of Bone Infection
09:09

Treatment with Vancomycin Loaded Calcium Sulphate and Autogenous Bone in an Improved Rabbit Model of Bone Infection

Published on: March 14, 2019

Anti-infection tissue engineering construct treating osteomyelitis in rabbit tibia.

Junchao Xing1, Tianyong Hou, Bianba Luobu

  • 1Department of Orthopaedics, Southwest Hospital, Chongqing, China.

Tissue Engineering. Part A
|August 7, 2012
PubMed
Summary
This summary is machine-generated.

This study developed an injectable tissue-engineered bone graft for infected bone defects. The novel composite effectively eradicated bacteria and promoted bone healing, offering a new treatment for chronic osteomyelitis.

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Calvarial Model of Bone Augmentation in Rabbit for Assessment of Bone Growth and Neovascularization in Bone Substitution Materials
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Calvarial Model of Bone Augmentation in Rabbit for Assessment of Bone Growth and Neovascularization in Bone Substitution Materials

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Last Updated: May 19, 2026

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Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots
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Calvarial Model of Bone Augmentation in Rabbit for Assessment of Bone Growth and Neovascularization in Bone Substitution Materials

Published on: August 13, 2019

Area of Science:

  • Orthopedic Surgery
  • Biomaterials Science
  • Regenerative Medicine

Background:

  • Bone defects with infection present significant challenges in orthopedic surgery.
  • Traditional bone grafting methods often have high failure rates in infected sites.
  • Tissue-engineered bone and advanced antibiotic delivery systems offer potential solutions.

Purpose of the Study:

  • To evaluate an injectable anti-infection tissue-engineered construct for treating chronic osteomyelitis with bone defects.
  • To assess the local anti-infective and osteogenic capabilities of a fibrin gel scaffold combined with vancomycin alginate beads (Vanco-AB) and mesenchymal stem cells.

Main Methods:

  • An infected rabbit tibia bone defect model was established.
  • Constructs containing fibrin gel, Vanco-AB, and mesenchymal stem cells were implanted.
  • Anti-infection and osteogenesis were evaluated via radiography, histology, and microbial cultures.

Main Results:

  • The Vanco-AB composite demonstrated efficient bacterial eradication and reduced osteomyelitis scores.
  • Radiographic and microbiological data confirmed decreased bacterial presence and lower relapse rates.
  • The tissue-engineered construct promoted bone repair and exhibited significant osteogenic potential.

Conclusions:

  • The injectable anti-infection tissue-engineered construct successfully achieved primary repair of infected bone defects.
  • This composite provides a promising alternative treatment strategy for chronic osteomyelitis.
  • Sustained antibiotic release and osteogenic properties are key to the construct's efficacy.