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Effects of mobile phone radiation on heart rate: a radiation-detector controlled pilot study    
Ga naar overzicht berichten in: Onderzoeken

Effects of mobile phone radiation on heart rate: a radiation-detector controlled pilot study
woensdag, 29 oktober 2014 - Dossier: Algemeen


Bron: peerj.com/preprints/485/ .
4 sept. 2014


Suzanne Roggeveen​1, Jim van Os2,3, Johan Gielissen4, Ron Mengelers1, Klaus Golombeck1, Richel Lousberg1

1 Department of Psychiatry and Psychology, Maastricht University, Maastricht, The Netherlands
2 Department of Psychiatry and Psychology, Maastricht University Medical Centre, Maastricht, The Netherlands
3 King’s College London, King’s Health Partners, Department of Psychosis Studies, Institute of Psychiatry, London, United Kingdom
4 Department of Instrumentation, Faculty of Psychology and Neuroscience, Maastricht University, Maastricht, The Netherlands

Published
2014-09-04

Subject Areas
Public Health, Human-Computer Interaction

Keywords
mobile phone, electromagnetic radiation, heart rate, pilot study, radiation-detector, 3G

Licence
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Cite this article
Roggeveen S, van Os J, Gielissen J, Mengelers R, Golombeck K, Lousberg R. (2014) Effects of mobile phone radiation on heart rate: a radiation-detector controlled pilot study. PeerJ PrePrints 2:e485v1 dx.doi.org/10.7287/peerj.preprints.485v1

Abstract

Objectives: To investigate to what degree radiofrequency electromagnetic radiation, induced by a mobile phone placed on the chest, impacts cardiac rhythm. Design: n=1, single blinded pilot study Setting: Academic hospital, Maastricht, the Netherlands Participants: One healthy female 24 years old participant. Interventions: The participant underwent four experimental sessions, spread over four days. A session consisted of four consecutive 15 minute conditions, three with a sham phone and one with a dialling mobile phone. The participant was blind for the condition. During each condition, per-millisecond electrocardiac activity (lead V4) and radiofrequency radiation was recorded jointly. Primary outcome measure: Heart rate. The association with radiation was analysed at two levels, (i) at macrolevel, based on averaged condition effects, and (ii) at microlevel, focusing on radiation peak-related effects within the exposure condition. Results: The macrolevel analysis clearly indicated that heart rate was lowered during the radiation exposure condition. The heart rate during the preceding and subsequent sham phone condition was respectively 1.014 beats/minute (p < 0.001) and 1.009 beats/minute (p < 0.001) higher compared to the radiation exposure condition. In order to conduct radiation-detector controlled microlevel analyses, 142 critical segments were identified, in which a radiation-free period was followed by a radiation peak. The heart rate during the radiation-free period showed a mean increase, whereas the radiation peak period was associated with a mean decrease in heart rate (time*period interaction: p=0.001). Thus, the macrolevel finding was confirmed at microlevel. Conclusions: Mobile phone radiation may impact heart rate, suggesting urgent further study to assess physiological safety parameters.

Author comment

We would like to submit this pilot study as a PrePrint. This is not a submission for review, since we will need a larger population to replicate the findings. By publishing this PrePrint we would like to introduce the used methodology and receive feedback. In this study it is tried to get insight into the direct effect of mobile phone radiation exposure on heart rate. For the understanding of a possible development of pathology on the long term, it is necessary to have knowledge of short-term processes. A dialling mobile phone was placed on the chest for fifteen minutes on several days. We found a significant lowered heart rate under exposure, a finding which has been reported in literature before but has not been found significant thus far. Effect analyses in other studies are regularly based on averaged condition effects. In this study also the direct ECG response to a radiation peak, with the aid of a radiation detector, was investigated and made visible on a so called microlevel.


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