EMF dose in patients and medical staff during hyperthermia treatment of cancer

Jurriaan Bakker, Richard Canters, Esra Neufeld, Maarten Paulides, Gerard van Rhoon

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

At the Erasmus Medical Center, we apply hyperthermia treatments (HT) of cancer in the pelvic area using an electromagnetic applicator installed in a Faraday shielded treatment room. Consequently, medical staff and accompanying persons are exposed to electromagnetic fields (EMF) during treatment. In the past, procedures were defined based on measurements defining compliant areas where the fields are expected to be below the exposure guidelines. Today, advanced electromagnetic models enable more precise dose assessment in the human anatomy and better evaluation of the procedures. The objective of this study was to investigate theoretically if the exposure of medical staff and accompanying persons is compliant to the guidelines when adhering to the procedures. Therefore, the whole-body averaged (SARwb) and spatial-averaged (SAR10g) specific absorption rate was assessed numerically in whole-body models of the patient, medical staff and an accompanying person. We found that predicted fields can exceed the exposure guidelines ten fold. However, the basic restrictions on SARwb and SAR10g are not exceeded for workers, but SARwb can exceed the guideline by a factor of two for accompanying persons that are in close vicinity of the applicator. In conclusion, adhering to the procedures defined in the early nineties is effective in keeping the exposure in medical staff and accompanying persons compliant to the exposure guidelines.

Original languageEnglish
Title of host publicationEMC EUROPE 2012 - International Symposium on Electromagnetic Compatibility, Proceedings
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Number of pages5
ISBN (Electronic)978-1-4673-0717-8
ISBN (Print)978-1-4673-0718-5
DOIs
Publication statusPublished - 1 Dec 2012
Externally publishedYes
EventInternational Symposium on Electromagnetic Compatibility, EMC EUROPE 2012 - Rome, Italy
Duration: 17 Sep 201221 Sep 2012

Conference

ConferenceInternational Symposium on Electromagnetic Compatibility, EMC EUROPE 2012
Abbreviated titleEMC Europe 2012
CountryItaly
CityRome
Period17/09/1221/09/12

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