Vestibular Schwannoma, Tinnitus and Cellular Telephones

Hardell, Lennart; Mild, Kjell Hansson; Sandström, Monica; Carlberg, Michael; Hallquist, Arne; Påhlson, Anneli

doi:10.1159/000068745

Cited by 56 publications

(41 citation statements)

References 13 publications

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“…In two previous studies, we have found an increased risk for brain tumors associated with cellular telephone use [1][2][3][4][5][6] . The risk was highest on the side of the brain Unconditional logistic regression analysis adjusted for age, sex, SEI and year of diagnosis was used.…”

Section: Discussionmentioning

confidence: 82%

“…This is the third case-control study showing a link between signifi cantly increased risk for acoustic neuroma and cellular telephone use [5,6,19] . Regarding meningioma, a somewhat increased risk was found, although the association was not as clear as for acoustic neuroma.…”

Section: Discussionmentioning

confidence: 87%

“…Regarding benign brain tumors, signifi cantly increased risk was found for acoustic neuroma but not for meningioma [5,6] .…”

Section: Discussionmentioning

confidence: 99%

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Case-Control Study on Cellular and Cordless Telephones and the Risk for Acoustic Neuroma or Meningioma in Patients Diagnosed 2000–2003

Carlberg²,

2005

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We performed a case-control study on the use of cellular and cordless telephones and the risk for brain tumors. We report the results for benign brain tumors with data from 413 cases (89% response rate), 305 with meningioma, 84 with acoustic neuroma, 24 with other types and 692 controls (84% response rate). For meningioma, analogue phones yielded odds ratio (OR) = 1.7, 95% confidence interval (CI) = 0.97–3.0, increasing to OR = 2.1, 95% CI = 1.1–4.3 with a >10-year latency period. Also digital cellular phones and cordless phones increased the risk to some extent. For acoustic neuroma, analogue phones gave OR = 4.2, 95% CI = 1.8–10 increasing to OR = 8.4, 95% CI = 1.6–45 with a >15-year latency period, but based on low numbers. Digital phones yielded OR = 2.0, 95% CI = 1.05–3.8, whereas for cordless phones OR was not significantly increased. In the multivariate analysis, analogue phones represented a significant risk factor for acoustic neuroma.

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Section: Discussionmentioning

confidence: 82%

Section: Discussionmentioning

confidence: 87%

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Case-Control Study on Cellular and Cordless Telephones and the Risk for Acoustic Neuroma or Meningioma in Patients Diagnosed 2000–2003

Carlberg²,

2005

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“…Another paper by Hardell et al 28 13 , which also compared 159 acoustic neuroma, 611 meningioma and 1617 combined tumour cases with 1 control per case (1997)(1998)(1999)(2000); reanalyses of the same data were also published elsewhere 15,[30][31][32][33] . Overall, it was reported 13 that MP use was associated with increased risk of acoustic neuroma for analogue (38 cases; 3.5[1.8-6.8]) but not digital or cordless MPs, with similar analogue risks for > 5 year and > 10 year groups.…”

Section: Population-based Case-control Designsmentioning

confidence: 99%

Mobile phones and brain tumours: a review of epidemiological research

Croft

McKenzie²,

Inyang

et al. 2008

Australas. Phys. Eng. Sci. Med.

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There has been a great deal of public concern regarding the possibility that the use of mobile phone-related technologies might result in adverse health effects. Corresponding to this, there has been substantial epidemiological research designed to determine whether the use of mobile phones (MP) has any effect on health, and in particular whether it increases the risk of developing head and neck tumours. Such literature is particularly heterogeneous, which makes it difficult to pool in a meta-analysis. This paper thus reviews the epidemiological literature pertaining to the use of mobile phones and mobile phone-related technologies, and head and neck tumours, in an attempt to consolidate the various reports. Although there have been individual reports of associations between MP-use and tumours, this research is not consistent and on balance does not provide evidence of an association. There are reports of small associations between MP-use ipsilateral to the tumour for greater than 10 years, for both acoustic neuroma and glioma, but the present paper argues that these are especially prone to confounding by recall bias. The reported associations are in need of replication with methods designed to minimise such bias before they can be treated as more than suggestive.

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“…Over the evolution of these studies there has been continuing refinement in the exposure assessment methods, although the techniques for exposure assessment are far from ideal [Ahlbom et al, 2004]. Self-report of mobile phone use has been the primary method used so far in the retrospective casecontrol studies [Hardell et al, 1999[Hardell et al, , 2001[Hardell et al, , 2003aMuscat et al, 2000Muscat et al, , 2002Christensen et al, 2001Christensen et al, , 2004Inskip et al, 2001;Johansen et al, 2001;Auvinen et al, 2002;Warren et al, 2003;Cardis et al, 2007]. The accuracy of self-reported exposure information and the potential biases introduced by recall or reporting have always been a concern for the design of case-control studies, in general Berg et al, 2005;Vrijheid et al, 2006].…”

Section: Introductionmentioning

confidence: 99%

An evaluation of self‐reported mobile phone use compared to billing records among a group of engineers and scientists

Shum

Kelsh

Sheppard

et al. 2010

Bioelectromagnetics

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Most epidemiologic studies of potential health impacts of mobile phones rely on self-reported information, which can lead to exposure misclassification. We compared self-reported questionnaire data among 60 participants, and phone billing records over a 3-year period (2002-2004). Phone usage information was compared by the calculation of the mean and median number of calls and duration of use, as well as correlation coefficients and associated P-values. Average call duration from self-reports was slightly lower than billing records (2.1 min vs. 2.8 min, P = 0.01). Participants reported a higher number of average daily calls than billing records (7.9 vs. 4.1, P = 0.002). Correlation coefficients for average minutes per day of mobile phone use and average number of calls per day were relatively high (R = 0.71 and 0.69, respectively, P < 0.001). Information reported at the monthly level tended to be more accurate than estimates of weekly or daily use. Our findings of modest correlations between self-reported mobile phone usage and billing records and substantial variability in recall are consistent with previous studies. However, the direction of over- and under-reporting was not consistent with previous research. We did not observe increased variability over longer periods of recall or a pattern of lower accuracy among older age groups compared with younger groups. Study limitations included a relatively small sample size, low participation rates, and potential limited generalizability. The variability within studies and non-uniformity across studies indicates that estimation of the frequency and duration of phone use by questionnaires should be supplemented with subscriber records whenever practical.

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Vestibular Schwannoma, Tinnitus and Cellular Telephones

Cited by 56 publications

References 13 publications

Case-Control Study on Cellular and Cordless Telephones and the Risk for Acoustic Neuroma or Meningioma in Patients Diagnosed 2000–2003

Case-Control Study on Cellular and Cordless Telephones and the Risk for Acoustic Neuroma or Meningioma in Patients Diagnosed 2000–2003

Mobile phones and brain tumours: a review of epidemiological research

An evaluation of self‐reported mobile phone use compared to billing records among a group of engineers and scientists

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