Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1590/S1020-49892011001000004 http://hdl.handle.net/11449/7138 |
Resumo: | Objective. Measure physical therapists' exposure to the electric and magnetic fields produced by 17 shortwave diathermy devices in physical therapy clinics in the city of Presidente Prudente, São Paulo State, Brazil. Compare the observed values with the exposure levels recommended by the International Commission on Non-ionizing Radiation Protection (ICNIRP). Observe the efficacy of Faraday cages as a means of protecting physical therapists from exposure to oscillating electric and magnetic fields.Methods. Electric and magnetic field measurements were taken at four points during actual physical therapy sessions: in proximity to the operator's pelvis and head, the devices' electrical cables, and the electrodes. The measuring equipment was a Wandel & Goltermann EMR-200.Results. The values obtained in proximity to the electrodes and cables were 10 to 30 times higher than ICNIRP's recommended occupational reference levels. In the shortwave diathermy treatment rooms with Faraday cages, the fields were even higher than in treatment rooms not so equipped-principally the magnetic field, where the values were more than 100 times higher than the ICNIRP exposure limit.Conclusions. The electric and magnetic field intensities obtained in this study are generally above the exposure levels recommend in ICNIRP standards. It was also observed that the Faraday cage offers physical therapists no protection, and instead, increases their level of exposure. |
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Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cagesOccupational exposureradiation, nonionizingphysical therapyelectromagnetic fieldsdiathermyshort-wave therapyBrazilObjective. Measure physical therapists' exposure to the electric and magnetic fields produced by 17 shortwave diathermy devices in physical therapy clinics in the city of Presidente Prudente, São Paulo State, Brazil. Compare the observed values with the exposure levels recommended by the International Commission on Non-ionizing Radiation Protection (ICNIRP). Observe the efficacy of Faraday cages as a means of protecting physical therapists from exposure to oscillating electric and magnetic fields.Methods. Electric and magnetic field measurements were taken at four points during actual physical therapy sessions: in proximity to the operator's pelvis and head, the devices' electrical cables, and the electrodes. The measuring equipment was a Wandel & Goltermann EMR-200.Results. The values obtained in proximity to the electrodes and cables were 10 to 30 times higher than ICNIRP's recommended occupational reference levels. In the shortwave diathermy treatment rooms with Faraday cages, the fields were even higher than in treatment rooms not so equipped-principally the magnetic field, where the values were more than 100 times higher than the ICNIRP exposure limit.Conclusions. The electric and magnetic field intensities obtained in this study are generally above the exposure levels recommend in ICNIRP standards. It was also observed that the Faraday cage offers physical therapists no protection, and instead, increases their level of exposure.Univ Estadual Paulista, Fac Ciencias & Tecnol, São Paulo, BrazilUniv São Paulo, Inst Fis, BR-01498 São Paulo, BrazilUniv São Paulo, Fac Saúde Publ, São Paulo, BrazilUniv Estadual Paulista, Fac Ciencias & Tecnol, São Paulo, BrazilPan Amer Health OrganizationUniversidade Estadual Paulista (Unesp)Universidade de São Paulo (USP)Messias, Iracimara de Anchieta [UNESP]Okuno, EmicoColacioppo, Sergio2014-05-20T13:23:36Z2014-05-20T13:23:36Z2011-10-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article309-316http://dx.doi.org/10.1590/S1020-49892011001000004Revista Panamericana de Salud Publica-pan American Journal of Public Health. Washington: Pan Amer Health Organization, v. 30, n. 4, p. 309-316, 2011.1020-4989http://hdl.handle.net/11449/713810.1590/S1020-49892011001000004S1020-49892011001000004WOS:0002995272000041055911386902390Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPporRevista Panamericana de Salud Publica - Pan American Journal of Public Health0.7840,452info:eu-repo/semantics/openAccess2024-06-19T14:51:25Zoai:repositorio.unesp.br:11449/7138Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T18:31:20.241639Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
title |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
spellingShingle |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages Messias, Iracimara de Anchieta [UNESP] Occupational exposure radiation, nonionizing physical therapy electromagnetic fields diathermy short-wave therapy Brazil |
title_short |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
title_full |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
title_fullStr |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
title_full_unstemmed |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
title_sort |
Occupational exposure of physical therapists to electric and magnetic fields and the efficacy of Faraday cages |
author |
Messias, Iracimara de Anchieta [UNESP] |
author_facet |
Messias, Iracimara de Anchieta [UNESP] Okuno, Emico Colacioppo, Sergio |
author_role |
author |
author2 |
Okuno, Emico Colacioppo, Sergio |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) Universidade de São Paulo (USP) |
dc.contributor.author.fl_str_mv |
Messias, Iracimara de Anchieta [UNESP] Okuno, Emico Colacioppo, Sergio |
dc.subject.por.fl_str_mv |
Occupational exposure radiation, nonionizing physical therapy electromagnetic fields diathermy short-wave therapy Brazil |
topic |
Occupational exposure radiation, nonionizing physical therapy electromagnetic fields diathermy short-wave therapy Brazil |
description |
Objective. Measure physical therapists' exposure to the electric and magnetic fields produced by 17 shortwave diathermy devices in physical therapy clinics in the city of Presidente Prudente, São Paulo State, Brazil. Compare the observed values with the exposure levels recommended by the International Commission on Non-ionizing Radiation Protection (ICNIRP). Observe the efficacy of Faraday cages as a means of protecting physical therapists from exposure to oscillating electric and magnetic fields.Methods. Electric and magnetic field measurements were taken at four points during actual physical therapy sessions: in proximity to the operator's pelvis and head, the devices' electrical cables, and the electrodes. The measuring equipment was a Wandel & Goltermann EMR-200.Results. The values obtained in proximity to the electrodes and cables were 10 to 30 times higher than ICNIRP's recommended occupational reference levels. In the shortwave diathermy treatment rooms with Faraday cages, the fields were even higher than in treatment rooms not so equipped-principally the magnetic field, where the values were more than 100 times higher than the ICNIRP exposure limit.Conclusions. The electric and magnetic field intensities obtained in this study are generally above the exposure levels recommend in ICNIRP standards. It was also observed that the Faraday cage offers physical therapists no protection, and instead, increases their level of exposure. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-10-01 2014-05-20T13:23:36Z 2014-05-20T13:23:36Z |
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://dx.doi.org/10.1590/S1020-49892011001000004 Revista Panamericana de Salud Publica-pan American Journal of Public Health. Washington: Pan Amer Health Organization, v. 30, n. 4, p. 309-316, 2011. 1020-4989 http://hdl.handle.net/11449/7138 10.1590/S1020-49892011001000004 S1020-49892011001000004 WOS:000299527200004 1055911386902390 |
url |
http://dx.doi.org/10.1590/S1020-49892011001000004 http://hdl.handle.net/11449/7138 |
identifier_str_mv |
Revista Panamericana de Salud Publica-pan American Journal of Public Health. Washington: Pan Amer Health Organization, v. 30, n. 4, p. 309-316, 2011. 1020-4989 10.1590/S1020-49892011001000004 S1020-49892011001000004 WOS:000299527200004 1055911386902390 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
Revista Panamericana de Salud Publica - Pan American Journal of Public Health 0.784 0,452 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
309-316 |
dc.publisher.none.fl_str_mv |
Pan Amer Health Organization |
publisher.none.fl_str_mv |
Pan Amer Health Organization |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1808128941517438976 |