A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats

Detalhes bibliográficos
Autor(a) principal: Pinheiro, Antonio Luiz Barbosa
Data de Publicação: 2004
Outros Autores: Nascimento, Patrícia Maria do, Salgado, Miguel Ângelo Castilho, Ramalho, Luciana Maria Pedreira
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://repositorio.ufba.br/ri/handle/ri/16437
Resumo: Texto completo: acesso restrito. p. 513-518
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spelling Pinheiro, Antonio Luiz BarbosaNascimento, Patrícia Maria doSalgado, Miguel Ângelo CastilhoRamalho, Luciana Maria PedreiraPinheiro, Antonio Luiz BarbosaNascimento, Patrícia Maria doSalgado, Miguel Ângelo CastilhoRamalho, Luciana Maria Pedreira2014-10-21T16:04:12Z20041549-5418http://repositorio.ufba.br/ri/handle/ri/16437v. 22, n. 6Texto completo: acesso restrito. p. 513-518Objective: The objective of the present investigation was to assess the histological effects of different wavelengths and intensities on the healing process of cutaneous wounds. Background Data: Tissue repair is a dynamic interactive process which involves mediators, cells and extra-cellular matrix. Several reports on the use of laser therapy have shown that the healing process is positively affected when the correct parameters are used. Methods: Eighteen standardized wounds were surgically created on the dorsum of male and female Wistar rats, which were subsequently divided into two experimental groups according to wavelength used λ.670 or λ685 nm) for lasertherapy (LLLT). Each group was divided into three subgroups of three animals according to the intensity of the applied irradiation (2, 15, or 25 mW). Twelve animals were used as untreated controls and were not irradiated. The irradiation was carried out during seven consecutive days. The animals were sacrificed eight days after surgery. The specimens were removed, kept in 4% formaldehyde for 24 h, routinely prepared to wax, stained with H&E, and analyzed under light microscopy. Results: For both groups, light microscopy showed a substitution repair process; however, when LLLT was used, a positive biomodulatory effect was detectable, chiefly associated with shorter wavelength and low intensity. Conclusions: The results of the present study indicate that LLLT improved cutaneous wound repair and that the effect is a result of an inversely proportional relationship between wavelength and intensity, with treatment more effective when combining higher intensity with short wavelength or lower intensity with higher wavelength.Submitted by Edileide Reis (leyde-landy@hotmail.com) on 2013-12-02T12:42:40Z No. of bitstreams: 1 Antonio Luiz B. Pinheiro.pdf: 531616 bytes, checksum: 557a9963141f5cca70f0f91557415810 (MD5)Approved for entry into archive by Flávia Ferreira (flaviaccf@yahoo.com.br) on 2014-10-21T16:04:12Z (GMT) No. of bitstreams: 1 Antonio Luiz B. Pinheiro.pdf: 531616 bytes, checksum: 557a9963141f5cca70f0f91557415810 (MD5)Made available in DSpace on 2014-10-21T16:04:12Z (GMT). No. of bitstreams: 1 Antonio Luiz B. Pinheiro.pdf: 531616 bytes, checksum: 557a9963141f5cca70f0f91557415810 (MD5) Previous issue date: 2004http://dx.doi.org/ 10.1089/pho.2004.22.513reponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBALaser TherapyLaser Therapy Low-LevelRatsA Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in RatsPhotomedicine and Laser Surgeryinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article10000-01-01info:eu-repo/semantics/openAccessengORIGINALAntonio Luiz B. Pinheiro.pdfAntonio Luiz B. Pinheiro.pdfapplication/pdf531616https://repositorio.ufba.br/bitstream/ri/16437/1/Antonio%20Luiz%20B.%20Pinheiro.pdf557a9963141f5cca70f0f91557415810MD51LICENSElicense.txtlicense.txttext/plain1345https://repositorio.ufba.br/bitstream/ri/16437/2/license.txtff6eaa8b858ea317fded99f125f5fcd0MD52TEXTAntonio Luiz B. Pinheiro.pdf.txtAntonio Luiz B. 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dc.title.pt_BR.fl_str_mv A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
dc.title.alternative.pt_BR.fl_str_mv Photomedicine and Laser Surgery
title A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
spellingShingle A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
Pinheiro, Antonio Luiz Barbosa
Laser Therapy
Laser Therapy Low-Level
Rats
title_short A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
title_full A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
title_fullStr A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
title_full_unstemmed A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
title_sort A Preliminary Report on the Effect of Laser Therapy on the Healing of Cutaneous Surgical Wounds as a Consequence of an Inversely Proportional Relationship between Wavelength and Intensity: Histological Study in Rats
author Pinheiro, Antonio Luiz Barbosa
author_facet Pinheiro, Antonio Luiz Barbosa
Nascimento, Patrícia Maria do
Salgado, Miguel Ângelo Castilho
Ramalho, Luciana Maria Pedreira
author_role author
author2 Nascimento, Patrícia Maria do
Salgado, Miguel Ângelo Castilho
Ramalho, Luciana Maria Pedreira
author2_role author
author
author
dc.contributor.author.fl_str_mv Pinheiro, Antonio Luiz Barbosa
Nascimento, Patrícia Maria do
Salgado, Miguel Ângelo Castilho
Ramalho, Luciana Maria Pedreira
Pinheiro, Antonio Luiz Barbosa
Nascimento, Patrícia Maria do
Salgado, Miguel Ângelo Castilho
Ramalho, Luciana Maria Pedreira
dc.subject.por.fl_str_mv Laser Therapy
Laser Therapy Low-Level
Rats
topic Laser Therapy
Laser Therapy Low-Level
Rats
description Texto completo: acesso restrito. p. 513-518
publishDate 2004
dc.date.issued.fl_str_mv 2004
dc.date.accessioned.fl_str_mv 2014-10-21T16:04:12Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://repositorio.ufba.br/ri/handle/ri/16437
dc.identifier.issn.none.fl_str_mv 1549-5418
dc.identifier.number.pt_BR.fl_str_mv v. 22, n. 6
identifier_str_mv 1549-5418
v. 22, n. 6
url http://repositorio.ufba.br/ri/handle/ri/16437
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.source.pt_BR.fl_str_mv http://dx.doi.org/ 10.1089/pho.2004.22.513
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