Assessment of SAR in the tissues near a cochlear implant exposed to radiofrequency electromagnetic fields (Articolo in rivista)

Type
Label
  • Assessment of SAR in the tissues near a cochlear implant exposed to radiofrequency electromagnetic fields (Articolo in rivista) (literal)
Anno
  • 2009-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1088/0031-9155/54/8/N03 (literal)
Alternative label
  • Sibella F; Parazzini M; Paglialonga A; Ravazzani P (2009)
    Assessment of SAR in the tissues near a cochlear implant exposed to radiofrequency electromagnetic fields
    in Physics in medicine and biology (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Sibella F; Parazzini M; Paglialonga A; Ravazzani P (literal)
Pagina inizio
  • 135 (literal)
Pagina fine
  • 141 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 54 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Sibella F, Parazzini M, Paglialonga A, Ravazzani P: Istituto di Ingegneria Biomedica, Consiglio Nazionale delle Ricerche, Piazza Leonardo da Vinci 32, 20133 , Milano, Italy Paglialonga A: Dipartimento di Bioingegneria, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 , Milano, Italy (literal)
Titolo
  • Assessment of SAR in the tissues near a cochlear implant exposed to radiofrequency electromagnetic fields (literal)
Abstract
  • Cochlear implants (CI) are electronic devices used to restore partial hearing to people with severe hearing impairment. This paper aims to investigate if the introduction of a CI has an effect on SAR distribution in a head model exposed to radiofrequency electromagnetic fields (RF EMF) at mobile communication frequencies. The head model was obtained by image segmentation, the implant was modelled as a geometric structure and the exposure source was modelled as a uniform plane wave at 900 MHz, 1750 MHz and 1950 MHz, incident on the side of the head with the CI. Vertical and horizontal polarizations were simulated. Results show that the presence of a CI inside the cochlea produces negligible variations in the averaged SAR values, both in the head and in the cochlear tissues, although very localized differences in point SAR were found in the cochlea. Globally, these results suggest that finding harmful effects in the cochlear tissues will be unlikely. (literal)
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