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Elektromagnetiska fält, elöverkänslighet och neurologisk sjukdom - en kunskapsöversikt

U Bergqvist, T Brante, K Fransson, K. Hansson Mild, Lena Hillert, O Johansson, L Rönnbäck, Monica Sandström, Berndt Stenberg 
01 Jan 1998-
About: The article was published on 1998-01-01 and is currently open access. It has received 5 citations till now.

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Citations
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Journal Article•DOI•
Prevalence of annoyance attributed to electrical equipment and smells in a Swedish population, and relationship with subjective health and daily functioning.

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Frida Carlsson1, Björn Karlson1, Palle Örbaek2, Palle Örbaek1, Kai Österberg1, Per-Olof Östergren3 •
Lund University1, National Institute of Occupational Health2, Malmö University3
01 Jul 2005-Public Health
TL;DR: Annoyance related to electrical and/or chemical factors was common in a Swedish population and the association with subjective health and functional capacity increased with severity of annoyance, which suggests that there is some connection between environmental annoyance, well-being andfunctional capacity.

79 citations

Journal Article•DOI•
Baseline prevalence of symptoms related to indoor environment.

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Nils Eriksson1, Berndt Stenberg1•
Umeå University1
01 Aug 2006-Scandinavian Journal of Public Health
TL;DR: The prevalence of symptoms in the Swedish population was found to accord with results in studies based on different kinds of samples, and SBS symptoms, skin symptoms, and symptoms similar to those reported by individuals with ``electric hypersensitivity'' were significantly more prevalent among employees with extensive VDU usage.
Abstract: Aims: Health problems associated with indoor environments have been reported and discussed extensively during the past few decades, not least in Sweden. There is, however, great uncertainty concerning the background prevalence of the symptoms in question. The main objective of the present study was to investigate the prevalence of general, mucosal, and skin symptoms in the Swedish population. Methods: A survey comprising 3,000 randomly selected Swedes, age 18—64, was carried out. The survey addressed 25 symptoms, principally general, mucosal, and skin symptoms. A number of other areas were covered and individual data registered at Statistics Sweden were added. The response rate was 70% (2,154 cases). Results: The prevalence of symptoms in the Swedish population was found to accord with results in studies based on different kinds of samples. Women reported significantly more single symptoms, as well as sets of symptoms, than men. There was no clear connection between age and symptoms. The prevalence of sym...

47 citations

Cites background from "Elektromagnetiska fält, elöverkänsl..."

  • ...A number of studies have found a positive association between amount of VDU work and selfreported skin symptoms, but no specific VDUrelated skin disorder has been found in clinical studies [23]....

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  • ...Electromagnetic fields, flickering light, and stress have been suggested as the link between extensive VDU work and health complaints [23]....

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Book•
On astrocytes and glutamate neurotransmission : new waves in brain information

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Elisabeth Hansson, Torsten Olsson, Lars Rönnbäck
01 Jan 1997
TL;DR: A summary of the knowledge on astroglial-neuronal interaction in glutamate neurotransmission is given in this article, focusing on the contribution of astroglia to synaptic dynamics.
Abstract: This is a summary of the knowledge on astroglial-neuronal interaction in glutamate neurotransmission, especially focusing on astroglial contributions to synaptic dynamics. It briefly addresses different topics such as membrane receptors and signal transduction systems on astroglia and the expression of some ion channels and glutamate carriers.

7 citations

Belysning och hälsa - en kunskapsöversikt med fokus på ljusets modulation, spektralfördelning och dess kronobiologiska betydelse

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Monica Sandström, Ulf Bergqvist, Rickard Küller, Thorbjörn Laike, Allan Ottosson, Roger Wibom 
01 Jan 2002

5 citations

Cites background from "Elektromagnetiska fält, elöverkänsl..."

  • ...I ett antal provokationsstudier i Sverige och utomlands har man inte lyckats finna någon korrelation mellan elöverkänsligas exponering för elektronmagnetiska fält och symptomförekomst (för en översikt se (13))....

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  • ...Detta är i överensstämmelse med de diskussioner som förts vid studier av elöverkänsliga (13; 88; 113; 132)....

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Journal Article•DOI•
A Nonconventional Approach to the Treatment of Environmental Illness

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Bruce A. Brod
01 Dec 1996-American Journal of Contact Dermatitis

4 citations

References
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Journal Article•DOI•
Skin symptoms and disease during work with visual display terminals

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Ulf Bergqvist1, Jan E. Wahlberg1•
National Institute of Occupational Health1
01 Apr 1994-Contact Dermatitis
TL;DR: There was a tendency for increased occurrence of seborrhoeic eczema, nonspecific erythema and symptoms among VDT compared to non‐VDT users and organizational conditions during VDT work, such as a perceived high work pace or work load, and inability to take rest breaks, were found to be associated with reported skin symptoms and nonspecial ery thema.
Abstract: A cross-sectional study on 353 routine office workers was performed in order to investigate relationships between skin diseases, signs or reported symptoms and work at visual display terminals. Skin diseases and signs were ascertained by dermatological examination. Skin symptoms as well as details of VDT work and other work conditions were obtained from a questionnaire. Measurements of the physical environment were made at each work place. The results were subjected to a multivariate analysis, There was a tendency for increased occurrence of seborrhoeic eczema, nonspecific erythema and symptoms among VDT compared to non-VDT users. Organizational conditions during VDT work, such as a perceived high work pace or work load, and inability to take rest breaks, were found to be associated with reported skin symptoms and nonspecific erythema. A low relative humidity was associated with a diagnosis of seborrhoeic eczema. No associations were found in this study between current field levels of electric or magnetic fields and skin diseases, signs or reported symptoms.

46 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Bergqvist och Wahlberg (31) fann överrisker för ospecifik hudrodnad, men det begränsande antalet fall kan ha bidragit till att denna överrisk inte var statistiskt säkerställd....

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  • ...I en studie av Bergqvist och Wahlberg (31) noterades följande prevalenser för vissa vanligt förekommande hudsjukdomar bland 299 kontorsarbetare; mjäll-...

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  • ...I studien av Bergqvist och Wahlberg (31) var sambandet mellan symptom och diagnoser sämre....

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  • ...(17) använde en mycket vidare definition än Bergqvist och Wahlberg (31), och rapporterade också en högre prevalens av rosacea (10,0%)....

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  • ...Liknande resultat för de som arbetat åtminstone 2,5 manår noterades av Bergqvist and Wahlberg (31)....

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Journal Article•DOI•
Acute effects of ELF electromagnetic fields: a field study of linesmen working with 400 kV power lines.

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Francesco Gamberale1, B A Olson, P Eneroth, T Lindh, A Wennberg •
National Institute of Occupational Health1
01 Oct 1989-Occupational and Environmental Medicine
TL;DR: Investigation of the possible acute effects of exposure to electric and magnetic fields while performing a simulated routine inspection of insulators on steel poles of a 400 kV power line found no statistically significant difference between the two conditions which could be attributed to exposure.
Abstract: The aim of the study was to investigate the possible acute effects of exposure to electric and magnetic fields. Twenty six experienced linesmen, aged 25 to 52, were studied during two working days while performing a simulated routine inspection of insulators on steel poles of a 400 kV power line. During one of the working days the inspection was performed on a power line in operation and on the other day the same procedure was performed on an identical power line, which was not in operation. The two days were found to be comparable with regard to the physical workload which, on the basis of heart rate measurements, was estimated to be high. Exposure to the electric and magnetic fields was measured using a device designed for on-worker sampling on each linesman. The mean exposure for the working day was estimated to be 2.8 kV/m (SD = 0.35) and 23.3 microT (SD = 4.2). The possible effects of exposure were studied using a battery of four automated performance tests, EEG, a mood scale, and a questionnaire to assess subjective symptoms. All workers were examined immediately before and after each workday. Furthermore, blood samples were collected for each subject on three different occasions during each workday. The battery of behavioural tests comprised a test of simple reaction time, a vigilance test, a test of short term memory (digit span), and a perceptual test (symbol digit). The four EEG recordings for each worker were judged blindly and sorted with regard to amount and stability of alpha activity. The blood samples were used for an analysis of possible changes during the workday with regard to the following hormones: thyroid stimulated hormone, luteinising hormone, follicle stimulating hormone, prolactin, cortisol, testosterone, and neopterin. Detailed analyses of the results using both parametric and nonparametric tests showed no statistically significant difference between the two conditions which could be attributed to exposure to electric and magnetic fields.

44 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Inte heller Broadbent och medarbetare samt Gamberale och medarbetare lyckades påvisa någon koppling mellan huvudvärk och exponering för elektromagnetiska fält (36, 52)....

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  • ...Studier av Knave och medarbetare, Broadbent och medarbetare, Baroncelli och medarbetare samt Gamberale och medarbetare kunde inte finna någon koppling mellan exponering för elektriska eller magnetiska fält och olika depressiva symtom eller ångest (8, 36, 52, 82) (se även Paneth (112) för en vidare diskussion av dessa studier)....

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Journal Article•DOI•
Skin symptoms after the reduction of electric fields from visual display units.

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G Oftedal1, Arnt Inge Vistnes, K Rygge•
Norwegian Institute of Technology1
01 Oct 1995-Scandinavian Journal of Work, Environment & Health
TL;DR: The hypothesis that facial skin symptoms can be reduced by decreasing static and low-frequency electric fields produced by visual display units is weakly supported.
Abstract: Objectives The objective of this work was to determine whether facial skin symptoms are reduced by decreasing static and low-frequency electric fields produced by visual display units. Methods The electric fields were reduced by electric-conducting screen filters. Twenty subjects took part in the study while working at their ordinary jobs, first two weeks without any filter, then two weeks with an inactive filter and two weeks with active filters (or in reversed order). The inactive filters were identical to the active ones except that the ground cable was cut. Measurements showed that the inactive filters reduced the static electric fields nonsignificantly less than the active filters. For extremely low-frequency fields the difference was greater, and the active filters reduced the very low-frequency fields significantly more than the inactive ones. Results Most symptoms were less pronounced when active filters were used than when inactive filters were used. The differences were small, and for one symptom only, tingling, pricking or itching, the result was statistically significant. The recorded physical and psychosocial factors did not explain the reduction with the use of active filters. Days with a long time spent near a visual display unit resulted in significantly more pronounced symptoms than days with short time. The findings registered by a dermatologist did not reveal any consistent difference between the two periods with filters. Conclusion The results weakly support the hypothesis that skin symptoms may be reduced by a reduction of electric fields.

43 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Dessa fynd är dock sinsemellan inte konsistenta, i och med att olika studier poängterat olika elektriska fält (ELF bakgrundsfält (129), ELF fält vid bildskärmar (30, 105), samt sannolikt linjefrekventa fält (111)) medan andra studier inte funnit motsvarande samband....

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  • ...I ett norskt arbete har man studerat effekten av filter på bildskärmar och dess förmåga att reducera hudsymtom hos 20 bildskärmsarbetare (111)....

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Journal Article•DOI•
Symptom prevalence and worry about high voltage transmission lines.

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S. Mcmahan1, J. Meyer1•
Rutgers University1
01 Aug 1995-Environmental Research
TL;DR: Results indicated that for those who did not live on the easement level of worry did not affect the prevalence of health problems and the most worried respondents were more likely to report health problems.

42 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Inte heller i en studie från 1995 av McMahan och Meyer (103) lyckades man påvisa samband mellan förekomst av huvudvärk av migräntyp eller annan huvudvärk i relation till vistelse i närheten av kraftledning....

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  • ...I en annan studie (103) fann man inga samband mellan närhet till kraftledningar (eller uppmätta fält) och hälsoeffekter av typ huvudvärk, dålig aptit eller sömn- respektive koncentrationsproblem (oddskvoten för dessa med avseende på boende nära kraftledning var 0,85 (0,451,62)....

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Journal Article•DOI•
Health of workers exposed to electric fields.

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D E Broadbent, M H Broadbent, J C Male, M R Jones
01 Feb 1985-Occupational and Environmental Medicine
TL;DR: The results of health questionnaire interviews with 390 electrical power transmission and distribution workers are reported, and there were significant differences in the health measures between different categories of job, different parts of the country, and in association with factors such as overtime, working alone, or frequently changing shift.
Abstract: The results of health questionnaire interviews with 390 electrical power transmission and distribution workers, together with long term estimates of their exposure to 50 Hz electric fields, and short term measurements of the actual exposure for 287 of them are reported. Twenty eight workers received measurable exposures, averaging about 30 kVm-1h over the two week measurement period. Estimated exposure rates were considerably greater, but showed fair correlation with the measurements. Although the general level of health was higher than we have found in manual workers in other industries, there were significant differences in the health measures between different categories of job, different parts of the country, and in association with factors such as overtime, working alone, or frequently changing shift. After allowing for the effects of job and location, however, we found no significant correlations of health with either measured or estimated exposure to electric fields.

42 citations

"Elektromagnetiska fält, elöverkänsl..." refers background in this paper

  • ...Inte heller Broadbent och medarbetare samt Gamberale och medarbetare lyckades påvisa någon koppling mellan huvudvärk och exponering för elektromagnetiska fält (36, 52)....

    [...]

  • ...Studier av Knave och medarbetare, Broadbent och medarbetare, Baroncelli och medarbetare samt Gamberale och medarbetare kunde inte finna någon koppling mellan exponering för elektriska eller magnetiska fält och olika depressiva symtom eller ångest (8, 36, 52, 82) (se även Paneth (112) för en vidare diskussion av dessa studier)....

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