Radiographic, densitometric and histological evaluation of the use of bone perforations on fracture consolidation of distal third of radius from dogs

Authors

  • Porfírio Candanedo Guerra Universidade Estadual do Maranhão, Centro de Ciências Agrárias, Departamento das Clínicas do Curso de Medicina Veterinária
  • Luiz Carlos Vulcano Universidade Estadual Paulista, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Reprodução Animal e Radiologia Veterinária, Botucatu, SP
  • Noeme de Sousa Rocha Universidade Estadual Paulista, Faculdade de Medicina Veterinária e Zootecnia, Departamento de Clínica Veterinária

DOI:

https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26498

Keywords:

Fractures, Bone drilling, Densitometry, Histology, Dog

Abstract

To stimulate the bone callus development process from distal third of radius, 24 adult mongrel dogs used were from both sexes. These dogs were separated in two experimental groups of 12 animals each, named control and treated, divided in 4 moments (M1=15 days; M2=30 days; M3=45 days; M4=60 days), who underwent were performed surgical fractures. In treated group, it was performed bone perforations on proximal and distal edges, craniolateral and mediolateral to the fracture site. At the end of each moment, control and treated animals were evaluated by radiography, histology, and bone mineral densitometry (BMD) was determined on fracture site. According to the radiographic data of treated dogs, it was verified on days 15 and 30 more intense bone regeneration than control group. During M3 and M4, it wasn't detected any difference in bone reparation process betweencontrol and treated groups. In densitometric study, BMD values were greater in treated animals than in control dogs. Histological studies revealed at 15 and 30 days chondrocyte hyperplasia and initial endochondral ossification on drilled limbs; control group showed sustainment connective tissue and initial chondrocyte hiperplasia. At M3 and M4 of the treated group, were verified development and remodeling of periosteal callus in more advanced phases when comparing with limbs from control group. It can be concluded that using perforations enhances blood flow supply and activation of osteogenic cells on fracture site, stimulating the beginning of fracture consolidation process.

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Published

2006-04-01

How to Cite

Guerra, P. C., Vulcano, L. C., & Rocha, N. de S. (2006). Radiographic, densitometric and histological evaluation of the use of bone perforations on fracture consolidation of distal third of radius from dogs. Brazilian Journal of Veterinary Research and Animal Science, 43(2), 186-195. https://doi.org/10.11606/issn.1678-4456.bjvras.2006.26498

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