Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães
Autor(a) principal: | |
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Data de Publicação: | 2006 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Brazilian Journal of Veterinary Research and Animal Science |
Texto Completo: | https://www.revistas.usp.br/bjvras/article/view/26498 |
Resumo: | 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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Brazilian Journal of Veterinary Research and Animal Science |
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Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cãesRadiographic, densitometric and histological evaluation of the use of bone perforations on fracture consolidation of distal third of radius from dogsFraturaPerfuração ósseaDensitometriaHistologiaCãoFracturesBone drillingDensitometryHistologyDogTo 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.Objetivando estimular o processo de formação do calo ósseo do terço distal do rádio de cães de pequeno porte, foram utilizados 24 animais srd, adultos, de ambos os sexos. Os cães, separados em dois grupos experimentais de 12 animais denominados de controle e tratado foram divididos em 4 momentos (m1= 15 dias, m2= 30 dias, m3= 45 dias e m4= 60 dias), e submetidos a fraturas cirúrgicas. no grupo tratado, foram realizadas perfurações ósseas nos bordos do foco da fratura, no sentido crânio-caudal e médio-lateral. No final de cada momento, os animais controles e tratados foram avaliados radiograficamente, histologicamente e a densidade mineral óssea (dmo) determinada no local da fratura. Na avaliação radiográfica do grupo tratado com 15 e 30 dias foi verificado o processo de reparação óssea mais intenso do que no grupo controle. Nos momentos m3 e m4, não se observaram diferenças no processo de reparação entre os dois grupos. Os valores da dmo foram maiores nos animais tratados. o estudo histológico revelou aos 15 e 30 dias, hiperplasia de condrócitos, e inicio de ossificação endocondral nos membros perfurados; o grupo controle mostrou tecido conjuntivo de sustentação e início de hiperplasia de condrócitos. Nos m3 e m4 do grupo tratado, se verificaram formação e remodelação de calo periosteal em fases mais avançadas quando comparados ao grupo controle. conclui-se que o uso de perfurações melhora o suprimento de fluxo sangüíneo e a ativação de células osteogênicas no local de fratura, estimulando o início do processo de consolidação da fratura.Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia2006-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://www.revistas.usp.br/bjvras/article/view/2649810.11606/issn.1678-4456.bjvras.2006.26498Brazilian Journal of Veterinary Research and Animal Science; Vol. 43 Núm. 2 (2006); 186-195Brazilian Journal of Veterinary Research and Animal Science; Vol. 43 No. 2 (2006); 186-195Brazilian Journal of Veterinary Research and Animal Science; v. 43 n. 2 (2006); 186-195Brazilian Journal of Veterinary Research and Animal Science; V. 43 N. 2 (2006); 186-1951678-44561413-9596reponame:Brazilian Journal of Veterinary Research and Animal Scienceinstname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)instacron:USPporhttps://www.revistas.usp.br/bjvras/article/view/26498/28281Guerra, Porfírio CandanedoVulcano, Luiz CarlosRocha, Noeme de Sousainfo:eu-repo/semantics/openAccess2020-06-23T04:18:27Zoai:revistas.usp.br:article/26498Revistahttps://www.revistas.usp.br/bjvrasPUBhttps://www.revistas.usp.br/bjvras/oaibjvras@usp.br1413-95961413-9596opendoar:https://www.revistas.usp.br/bjvras/index2023-01-12T16:42:46.663005Brazilian Journal of Veterinary Research and Animal Science - Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP)false |
dc.title.none.fl_str_mv |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães Radiographic, densitometric and histological evaluation of the use of bone perforations on fracture consolidation of distal third of radius from dogs |
title |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães |
spellingShingle |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães Guerra, Porfírio Candanedo Fratura Perfuração óssea Densitometria Histologia Cão Fractures Bone drilling Densitometry Histology Dog |
title_short |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães |
title_full |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães |
title_fullStr |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães |
title_full_unstemmed |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães |
title_sort |
Avaliação radiográfica, densitométrica e histológica do uso de perfurações ósseas para o estímulo de consolidação de fraturas do terço distal do rádio de cães |
author |
Guerra, Porfírio Candanedo |
author_facet |
Guerra, Porfírio Candanedo Vulcano, Luiz Carlos Rocha, Noeme de Sousa |
author_role |
author |
author2 |
Vulcano, Luiz Carlos Rocha, Noeme de Sousa |
author2_role |
author author |
dc.contributor.author.fl_str_mv |
Guerra, Porfírio Candanedo Vulcano, Luiz Carlos Rocha, Noeme de Sousa |
dc.subject.por.fl_str_mv |
Fratura Perfuração óssea Densitometria Histologia Cão Fractures Bone drilling Densitometry Histology Dog |
topic |
Fratura Perfuração óssea Densitometria Histologia Cão Fractures Bone drilling Densitometry Histology Dog |
description |
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. |
publishDate |
2006 |
dc.date.none.fl_str_mv |
2006-04-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://www.revistas.usp.br/bjvras/article/view/26498 10.11606/issn.1678-4456.bjvras.2006.26498 |
url |
https://www.revistas.usp.br/bjvras/article/view/26498 |
identifier_str_mv |
10.11606/issn.1678-4456.bjvras.2006.26498 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://www.revistas.usp.br/bjvras/article/view/26498/28281 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia |
publisher.none.fl_str_mv |
Universidade de São Paulo. Faculdade de Medicina Veterinária e Zootecnia |
dc.source.none.fl_str_mv |
Brazilian Journal of Veterinary Research and Animal Science; Vol. 43 Núm. 2 (2006); 186-195 Brazilian Journal of Veterinary Research and Animal Science; Vol. 43 No. 2 (2006); 186-195 Brazilian Journal of Veterinary Research and Animal Science; v. 43 n. 2 (2006); 186-195 Brazilian Journal of Veterinary Research and Animal Science; V. 43 N. 2 (2006); 186-195 1678-4456 1413-9596 reponame:Brazilian Journal of Veterinary Research and Animal Science instname:Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) instacron:USP |
instname_str |
Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) |
instacron_str |
USP |
institution |
USP |
reponame_str |
Brazilian Journal of Veterinary Research and Animal Science |
collection |
Brazilian Journal of Veterinary Research and Animal Science |
repository.name.fl_str_mv |
Brazilian Journal of Veterinary Research and Animal Science - Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo (FMVZ-USP) |
repository.mail.fl_str_mv |
bjvras@usp.br |
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1797051557742641152 |