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Burström, Lage
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Publications (10 of 58) Show all publications
Carlsson, D., Wahlström, J., Burström, L., Hagberg, M., Lundström, R., Pettersson, H. & Nilsson, T. (2018). Can sensation of cold hands predict Raynaud’s phenomenon or paresthesia?. Occupational Medicine, 68(5), 314-319
Open this publication in new window or tab >>Can sensation of cold hands predict Raynaud’s phenomenon or paresthesia?
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2018 (English)In: Occupational Medicine, ISSN 0962-7480, E-ISSN 1471-8405, Vol. 68, no 5, p. 314-319Article in journal (Refereed) Published
Abstract [en]

Background: Raynaud's phenomenon and neurosensory symptoms are common after hand-arm vibration exposure. Knowledge of early signs of vibration injuries is needed. Aims: To investigate the risk of developing Raynaud's phenomenon and paraesthesia in relation to sensation of cold hands in a cohort of male employees at an engineering plant. Methods: We followed a cohort of male manual and office workers at an engineering plant in Sweden for 21 years. At baseline (1987 and 1992) and each follow-up (1992, 1997, 2002, 2008), we assessed sensation of cold, Raynaud's phenomenon and paraesthesia in the hands using questionnaires and measured vibration exposure. We calculated risk estimates with univariate and multiple logistic regression analyses and adjusted for vibration exposure and tobacco usage. Results: There were 241 study participants. During the study period, 21 individuals developed Raynaud's phenomenon and 43 developed paraesthesia. When adjusting the risk of developing Raynaud's phenomenon for vibration exposure and tobacco use, the odds ratios were between 6.0 and 6.3 (95% CI 2.2-17.0). We observed no increased risk for paraesthesia in relation to a sensation of cold hands. Conclusions: A sensation of cold hands was a risk factor for Raynaud's phenomenon. At the individual level, reporting a sensation of cold hands did not appear to be useful information to predict future development of Raynaud's phenomenon given a weak to moderate predictive value. For paraesthesia, the sensation of cold was not a risk factor and there was no predictive value at the individual level.

Place, publisher, year, edition, pages
Oxford University Press, 2018
Keywords
Hand-arm vibration, hand-arm vibration syndrome, Raynaud's phenomenon, paresthesia, sensation of cold
National Category
Occupational Health and Environmental Health
Research subject
Occupational and Environmental Medicine
Identifiers
urn:nbn:se:umu:diva-141012 (URN)10.1093/occmed/kqy053 (DOI)000439653500005 ()
Note

Originally published in thesis in manuscript form.

Available from: 2017-10-20 Created: 2017-10-20 Last updated: 2018-11-01Bibliographically approved
Wahlström, J., Burström, L., Johnson, P. W., Nilsson, T. & Järvholm, B. (2018). Exposure to whole-body vibration and hospitalization due to lumbar disc herniation. International Archives of Occupational and Environmental Health, 91(6), 689-694
Open this publication in new window or tab >>Exposure to whole-body vibration and hospitalization due to lumbar disc herniation
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2018 (English)In: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 91, no 6, p. 689-694Article in journal (Refereed) Published
Abstract [en]

Objective: The aim was to examine if exposure to whole-body vibration (WBV) increases the risk for hospitalization due to lumbar disc herniation.

Methods: The study basis is a cohort of 288,926 Swedish construction workers who participated in a national occupational health surveillance programme from 1971 until 1992. Job title, smoking habits, body weight, height and age were registered at the examinations. Assessment of WBV were made for each of the constituent occupations by constructing a job-exposure matrix (JEM). Exposure to WBV was graded on a scale from 0 to 5. In addition, the occurrence of hospitalization due to lumbar disc herniation from January 1st 1987 until December 31st 2010 was collected from a linkage with the Swedish Hospital Discharge Register. Poisson regressions were used to estimate relative risk with 95 percent confidence intervals (95% CI), adjusting for age, height, weight and smoking, using white-collar workers and foremen as a reference group.

Results: There was an increased risk for hospitalization due to lumbar disc herniation for workers in the construction industry exposed to medium to high WBV compared to white-collar workers and foremen 1.35 (1.12-1.63). When restricting the analyses to include workers 30-49 years of age at the time of the hospital admission the risk was 1.69 (95% CI 1.29-2.21).

Conclusion: This study further supports that occupational exposure to whole-body vibration increases the risk for hospitalization due to lumbar disc herniation.

Place, publisher, year, edition, pages
Springer, 2018
Keywords
epidemiology, low back pain, lumbar disc disease, lumbar radiculopathy, occupational drivers, sciatica, whole-body vibration
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-148400 (URN)10.1007/s00420-018-1316-5 (DOI)000438571100003 ()29855719 (PubMedID)2-s2.0-85047906460 (Scopus ID)
Available from: 2018-06-05 Created: 2018-06-05 Last updated: 2018-09-19Bibliographically approved
Jonsson, D., Burström, L., Nilsson, T., Wahlström, J. & Pettersson, H. (2017). Association between Pain in Adolescence and Low Back Pain in Adulthood: Studying a Cohort of Mine Workers. Pain Research and Treatment, 2017, Article ID 3569231.
Open this publication in new window or tab >>Association between Pain in Adolescence and Low Back Pain in Adulthood: Studying a Cohort of Mine Workers
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2017 (English)In: Pain Research and Treatment, ISSN 2090-1542, E-ISSN 2090-1550, Vol. 2017, article id 3569231Article in journal (Refereed) Published
Abstract [en]

Purpose: To study the association of self-reported pain in adolescence with low back pain (LBP) in adulthood among mine workers and, also, study associations between the presence of LBP over 12-month or one-month LBP intensity during a health examination and daily ratings of LBP three and nine months later. Methods: Mixed design with data collected retrospectively, cross-sectionally, and prospectively. Data was collected using a questionnaire during a health examination and by using self-reported daily ratings of LBP three and nine months after the examination. Results: Pain prevalence during teenage years was 55% and it was 59% at age 20. Pain during teenage years had a relative risk of 1.33 (95% confidence interval 1.03-1.73) of LBP 12 months prior to the health examination, but with no associations with LBP intensity or LBP assessed by text messaging. Pain at age 20 years was not associated with any measure of LBP in adulthood. Daily ratings of LBP were associated with LBP during the health examination three and nine months earlier. Conclusions: There were no clear associations between self-reported pain in adolescence and LBP in adulthood. Self-reported daily ratings of LBP were associated with LBP from the health examination. Possible limitations for this study were the retrospective design and few participants.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2017
National Category
Occupational Health and Environmental Health Neurology
Identifiers
urn:nbn:se:umu:diva-133324 (URN)10.1155/2017/3569231 (DOI)000397914300001 ()28367328 (PubMedID)
Available from: 2017-04-05 Created: 2017-04-05 Last updated: 2018-06-09Bibliographically approved
Nilsson, T., Wahlström, J. & Burström, L. (2017). Hand-arm vibration and the risk of vascular and neurological diseases: a systematic review and meta-analysis. PLoS ONE, 12(7), Article ID e0180795.
Open this publication in new window or tab >>Hand-arm vibration and the risk of vascular and neurological diseases: a systematic review and meta-analysis
2017 (English)In: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 12, no 7, article id e0180795Article, review/survey (Refereed) Published
Abstract [en]

Background

Increased occurrence of Raynaud's phenomenon, neurosensory injury and carpal tunnel syndrome has been reported for more than 100 years in association with work with vibrating machines. The current risk prediction modelling (ISO-5349) for "Raynaud's phenomenon" is based on a few studies published 70 to 40 years ago. There are no corresponding risk prediction models for neurosensory injury or carpal tunnel syndrome, nor any systematic reviews comprising a statistical synthesis (meta-analysis) of the evidence.

Objectives

Our aim was to provide a systematic review of the literature on the association between Raynaud's phenomenon, neurosensory injuries and carpal tunnel syndrome and hand-arm vibration (HAV) exposure. Moreover the aim was to estimate the magnitude of such an association using meta-analysis.

Methods

This systematic review covers the scientific literature up to January 2016. The databases used for the literature search were PubMed and Science Direct. We found a total of 4,335 abstracts, which were read and whose validity was assessed according to pre-established criteria. 294 articles were examined in their entirety to determine whether each article met the inclusion criteria. The possible risk of bias was assessed for each article. 52 articles finally met the pre-established criteria for inclusion in the systematic review.

Results

The results show that workers who are exposed to HAV have an increased risk of vascular and neurological diseases compared to non-vibration exposed groups. The crude estimate of the risk increase is approximately 4-5 fold. The estimated effect size (odds ratio) is 6.9 for the studies of Raynaud's phenomenon when including only the studies judged to have a low risk of bias. The corresponding risk of neurosensory injury is 7.4 and the equivalent of carpal tunnel syndrome is 2.9.

Conclusion

At equal exposures, neurosensory injury occurs with a 3-time factor shorter latency than Raynaud's phenomenon. Which is why preventive measures should address this vibration health hazard with greater attention.

Place, publisher, year, edition, pages
PUBLIC LIBRARY SCIENCE, 2017
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-138225 (URN)10.1371/journal.pone.0180795 (DOI)000405649700050 ()28704466 (PubMedID)
Available from: 2017-08-16 Created: 2017-08-16 Last updated: 2018-06-09Bibliographically approved
Burström, L., Aminoff, A., Björ, B., Manttari, S., Nilsson, T., Pettersson, H., . . . Wahlström, J. (2017). Musculoskeletal symptoms and exposure to whole-body vibration among open-pit mine workers in the arctic. International Journal of Occupational Medicine and Environmental Health, 30(4), 553-564
Open this publication in new window or tab >>Musculoskeletal symptoms and exposure to whole-body vibration among open-pit mine workers in the arctic
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2017 (English)In: International Journal of Occupational Medicine and Environmental Health, ISSN 1232-1087, E-ISSN 1896-494X, Vol. 30, no 4, p. 553-564Article in journal (Refereed) Published
Abstract [en]

Objectives: This cross-sectional questionnaire study was carried out at 4 open-pit mines in Finland, Norway, Russia and Sweden as part of the MineHealth project. The aim has been to compare the prevalence of musculoskeletal symptoms between drivers of mining vehicles and non-drivers. Material and Methods: The mine workers were asked whether they had suffered from any musculoskeletal symptoms during the previous 12 months in specified body regions, and to grade the severity of these symptoms during the past month. They were also asked about their daily driving of mining vehicles. Results: The questionnaire was completed by 1323 workers (757 vehicle drivers) and the reported prevalence and severity of symptoms were highest for the lower back, followed by pain in the neck, shoulder and upper back. Drivers in the Nordic mines reported fewer symptoms than non-drivers, while for Russian mine workers the results were the opposite of that. The daily driving of mining vehicles had no significant association with the risk of symptoms. Female drivers indicated a higher prevalence of symptoms as compared to male drivers. Conclusions: The study provided only weak support for the hypothesis that drivers of vehicles reported a higher prevalence of musculoskeletal symptoms than non-vehicle drivers. There were marked differences in the prevalence of symptoms among workers in various enterprises, even though the nature of the job tasks was similar.

Keywords
Questionnaire, Mining, Vibration, MSD, Whole-body, Barents
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-137900 (URN)10.13075/ijomeh.1896.00975 (DOI)000404445900003 ()28584322 (PubMedID)
Available from: 2017-08-02 Created: 2017-08-02 Last updated: 2018-06-09Bibliographically approved
Stjernbrandt, A., Björ, B., Andersson, M., Burström, L., Liljelind, I., Nilsson, T., . . . Wahlström, J. (2017). Neurovascular hand symptoms in relation to cold exposure in northern Sweden: a population-based study. International Archives of Occupational and Environmental Health, 90(7), 587-595
Open this publication in new window or tab >>Neurovascular hand symptoms in relation to cold exposure in northern Sweden: a population-based study
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2017 (English)In: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 90, no 7, p. 587-595Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To describe the self-reported ambient cold exposure in northern Sweden and to relate the level of cumulative cold exposure to the occurrence of sensory and vascular hand symptoms. We hypothesize that cold exposure is positively related to reporting such symptoms.

METHODS: A questionnaire about cold exposure and related symptoms was sent out to 35,144 subjects aged 18-70 years and living in northern Sweden.

RESULTS: A total of 12,627 out of 35,144 subjects returned the questionnaire (response rate 35.9%). Subjects living in the rural alpine areas reported more extensive cold exposure both during work and leisure time compared to the urbanized coastal regions. Frostbite in the hands was present in 11.4% of men and 7.1% of women, cold sensitivity was present in 9.7 and 14.4%, and Raynaud's phenomenon was present in 11.0% of men and 14.0% of women. There was a positive association between cumulative cold exposure and neurovascular hand symptoms.

CONCLUSION: The present study demonstrates that the cold environment in northern Sweden might be an underestimated health risk. Our hypothesis that cold exposure is positively related to reporting of neurovascular hand symptoms was supported by our findings. In addition, such symptoms were common not only in conjunction with an overt cold injury. Our results warrant further study on pathophysiological mechanisms and suggest the need for confirmatory prevalence studies to support national public health planning.

Keywords
Cold exposure, Cold sensitivity, Frostbite, Hand, Raynaud’s phenomenon, Sweden
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-133879 (URN)10.1007/s00420-017-1221-3 (DOI)000409295700003 ()28401298 (PubMedID)
Available from: 2017-04-20 Created: 2017-04-20 Last updated: 2018-06-09Bibliographically approved
Burström, L., Björ, B., Nilsson, T., Pettersson, H., Rödin, I. & Wahlström, J. (2017). Thermal perception thresholds among workers in a cold climate. International Archives of Occupational and Environmental Health, 90(7), 645-652
Open this publication in new window or tab >>Thermal perception thresholds among workers in a cold climate
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2017 (English)In: International Archives of Occupational and Environmental Health, ISSN 0340-0131, E-ISSN 1432-1246, Vol. 90, no 7, p. 645-652Article in journal (Refereed) Published
Abstract [en]

PURPOSE: To investigate whether exposure to cold could influence the thermal perception thresholds in a working population.

METHODS: This cross-sectional study was comprised of 251 males and females and was carried out at two mines in the northern part of Norway and Sweden. The testing included a baseline questionnaire, a clinical examination and measurements of thermal perception thresholds, on both hands, the index (Digit 2) and little (Digit 5) fingers, for heat and cold.

RESULTS: The thermal perception thresholds were affected by age, gender and test site. The thresholds were impaired by experiences of frostbite in the fingers and the use of medication that potentially could affect neurosensory functions. No differences were found between the calculated normative values for these workers and those in other comparative investigations conducted in warmer climates.

CONCLUSIONS: The study provided no support for the hypothesis that living and working in cold climate will lead to impaired thermal perception thresholds. Exposure to cold that had caused localized damage in the form of frostbite was shown to lead to impaired thermal perception.

Place, publisher, year, edition, pages
Springer, 2017
Keywords
Cold temperature, Mine work, Neurosensory function, Normative values, Sensory threshold
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-135013 (URN)10.1007/s00420-017-1227-x (DOI)000409295700009 ()28497276 (PubMedID)
Available from: 2017-05-16 Created: 2017-05-16 Last updated: 2018-06-09Bibliographically approved
Björ, B., Burström, L., Liljelind, I., Lundström, R., Nilsson, T. & Wahlström, J. (2016). Cold health impacts in northern Sweden. International Journal of Circumpolar Health, 75(33200)
Open this publication in new window or tab >>Cold health impacts in northern Sweden
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2016 (English)In: International Journal of Circumpolar Health, ISSN 1239-9736, E-ISSN 2242-3982, Vol. 75, no 33200Article in journal, Meeting abstract (Refereed) Published
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-134309 (URN)10.3402/ijch.v75.33200 (DOI)000396153800060 ()
Available from: 2017-04-28 Created: 2017-04-28 Last updated: 2018-09-06Bibliographically approved
Burström, L., Jonsson, H., Björ, B., Hjalmarsson, U., Nilsson, T., Reuterwall, C. & Wahlström, J. (2016). Daily text messages used as a method for assessing low back pain among workers. Journal of Clinical Epidemiology (70), 45-51
Open this publication in new window or tab >>Daily text messages used as a method for assessing low back pain among workers
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2016 (English)In: Journal of Clinical Epidemiology, ISSN 0895-4356, E-ISSN 1878-5921, no 70, p. 45-51Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: To evaluate a method for collecting data concerning low back pain (LBP) using daily text messages and to characterize the reported LBP in terms of intensity, variability, and episodes.

STUDY DESIGN AND SETTING: We conducted a cohort study of LBP among workers used by a mining company. The participants were asked to answer the question "How much pain have you had in your lower back in the last 24 hours on a scale from 0 to 10, where 0 = no pain and 10 = the worst pain imaginable" once a day for 5 weeks, with this process being repeated 6 months later.

RESULTS: A total of 121 workers participated in the first period of data collection, and 108 participated in the second period. The daily response rate was 93% for both periods, and cluster analysis was shown to be a feasible statistical method for clustering LBP into subgroups of low, medium, and high pain. The daily text messages method also worked well for assessing the episodic nature of LBP.

CONCLUSION: We have demonstrated a method for repeatedly measuring of LBP using daily text messages. The data permitted clustering into subgroups and could be used to define episodes of LBP.

National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-111623 (URN)10.1016/j.jclinepi.2015.08.011 (DOI)000370676900006 ()26342444 (PubMedID)
Funder
Forte, Swedish Research Council for Health, Working Life and Welfare, 2011-0494
Available from: 2015-11-18 Created: 2015-11-18 Last updated: 2018-06-07Bibliographically approved
Burström, L., Hyvärinen, V., Johnsen, M. & Pettersson, H. (2016). Exposure to whole-body vibration in open-cast mines in the Barents region. International Journal of Circumpolar Health, 75, Article ID 29373.
Open this publication in new window or tab >>Exposure to whole-body vibration in open-cast mines in the Barents region
2016 (English)In: International Journal of Circumpolar Health, ISSN 2242-3982, E-ISSN 2242-3982, Vol. 75, article id 29373Article in journal (Refereed) Published
Abstract [en]

OBJECTIVES: We aimed to measure and evaluate whole-body vibration (WBV) exposure among drivers of mining vehicles in the Barents region.

STUDY DESIGN: In the period from November 2012 to August 2014, this cross-sectional study was carried out at 3 mines in Finland, Norway and Sweden as part of the MineHealth project.

METHODS: Measurements of WBV were conducted on the surface of the driver's seat during normal work in accordance with international standards. Personal data on daily exposure times were collected by a questionnaire.

RESULTS: Measurements were conducted on 95 different mining vehicles both as root mean square (RMS) value and vibration dose value (VDV) representing different manufacturers, models and capacities. Of the 453 miners who answered the questionnaire, 232 indicated that they were exposed to WBV during their working day. The results show that the mean daily exposure time varies between 1.9 and 6.7 h for different vehicles. The calculated mean A(8) could be found in an interval between 0.2 and 1.0 m/s(2) and the corresponding 8-h VDV fell between 7 and 17 m/s(1.75).

CONCLUSIONS: Exposure to WBV among operators of mining vehicles may be a serious health and safety problem in the mines studied. The employers ought, therefore, take active steps to reduce exposure in accordance with the European vibration directive. Moreover, since some groups of drivers are exposed to vibration that is close to or exceeds the exposure limit values, the employer should take immediate action to reduce exposure below these values.

Keywords
whole-body vibration, mining, drivers, ISO2631-1, measurements
National Category
Occupational Health and Environmental Health
Identifiers
urn:nbn:se:umu:diva-117235 (URN)10.3402/ijch.v75.29373 (DOI)000375136400001 ()26864832 (PubMedID)
Available from: 2016-02-24 Created: 2016-02-24 Last updated: 2018-06-07Bibliographically approved
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