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- Henneberger, P K, et al.
(författare)
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The occupational contribution to severe exacerbation of asthma.
- 2010
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Ingår i: The European respiratory journal : official journal of the European Society for Clinical Respiratory Physiology. - : European Respiratory Society (ERS). - 1399-3003 .- 0903-1936. ; 36:4, s. 743-50
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Tidskriftsartikel (refereegranskat)abstract
- The goal of this study was to identify occupational risk factors for severe exacerbation of asthma and estimate the extent to which occupation contributes to these events. The 966 participants were working adults with current asthma who participated in the follow-up phase of the European Community Respiratory Health Survey. Severe exacerbation of asthma was defined as self-reported unplanned care for asthma in the past 12 months. Occupations held in the same period were combined with a general population job-exposure matrix to assess occupational exposures. 74 participants reported having had at least one severe exacerbation event, for a 1-yr cumulative incidence of 7.7%. From regression models that controlled for confounders, the relative risk (RR) was statistically significant for low (RR 1.7, 95% CI 1.1-2.6) and high (RR 3.6, 95% CI 2.2-5.8) biological dust exposure, high mineral dust exposure (RR 1.8, 95% CI 1.02-3.2), and high gas and fumes exposure (RR 2.5, 95% CI 1.2-5.5). The summary category of high dust, gas, or fumes exposure had RR 3.1 (95% CI 1.9-5.1). Based on this RR, the population attributable risk was 14.7% among workers with current asthma. These results suggest occupation contributes to approximately one in seven cases of severe exacerbation of asthma in a working population, and various agents play a role.
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- Sternberg-Simon, M., et al.
(författare)
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Natural killer cell inhibitory receptor expression in humans and mice : A closer look
- 2013
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Ingår i: Frontiers in Immunology. - : Frontiers Media SA. - 1664-3224. ; 4:March, s. 65-
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Tidskriftsartikel (refereegranskat)abstract
- The Natural Killer (NK) cell population is composed of subsets of varying sizes expressing different combinations of inhibitory receptors for MHC class I molecules. Genes within the NK gene complex, including the inhibitory receptors themselves, seem to be the primary intrinsic regulators of inhibitory receptor expression, but the MHC class I background is an additional Modulating factor. In this paper, we have performed a parallel study of the inhibitory receptor repertoire in inbred mice of the C57Bl/6 background and in a cohort of 44 humans. Deviations of subset frequencies from the "product rule (PR)," i.e., differences between observed and expected frequencies of NK cells, were used to identify MHC-independent and MHC-dependent control of receptor expression frequencies. Some deviations from the PR were similar in mice and humans, such as the decreased presence of NK cell subset lacking inhibitory receptors. Others were different, including a role for NKG2A in determining over- or under-representation of specific subsets in humans but not in mice. Thus, while human and murine inhibitory receptor repertoires differed in details, there may also be shared principles governing NK cell repertoire formation in these two species.
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- Andreasson, Anna N., et al.
(författare)
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Development and preliminary validation of the Sickness Questionnaire (SicknessQ)
- 2013
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Ingår i: Brain, behavior, and immunity. - : Elsevier BV. - 0889-1591 .- 1090-2139. ; 32
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Tidskriftsartikel (refereegranskat)abstract
- The lack of questionnaires to measure subjective feelings of being sick made us develope the Sickness Questionnaire (SicknessQ) for assessment of sickness behavior in people. The objective of the present investigation was to test its internal consistency, criteria validity, and sensitivity to capture the sickness response in an experimental setting. An initial pool of items was developed based on previous research. The statistical properties of SicknessQ was assessed in 172 men and women primary care patients with acute complaints and involved three steps: (1) principal component analyses to reduce the number of items and to identify latent factor structures, (2) tests of internal consistencies of subscales, and (3) hierarchical regression analyses to test criteria validity of the subscales. Subsequently, sensitivity to change was tested in a placebo controlled experiment in which 31 blinded healthy men and women were injected with endotoxin (LPS) to provoke sickness behavior. Principal components analysis suggested a 3-factor solution with a total of 11 items measuring fatigue (5 items), pain (4 items) and emotion (2 items). The total scale as well as each of the three separate factors were significantly changed 90 min after endotoxin injection as compared to baseline (p’s < .01). In all, the new 11-item SicknessQ is highly sensitive to a mild systemic inflammation. Further studies are planned to test its usefulness and prognostic value in clinical settings.
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- Fernberg, P., et al.
(författare)
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Time Trends in Risk and Risk Determinants of Non-Hodgkin Lymphoma in Solid Organ Transplant Recipients
- 2011
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Ingår i: American Journal of Transplantation. - : Elsevier BV. - 1600-6135 .- 1600-6143. ; 11:11, s. 2472-2482
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Tidskriftsartikel (refereegranskat)abstract
- Organ transplantation increases risk of non-Hodgkin lymphoma (NHL), but long-term risk and time trends have seldom been evaluated. Immunosuppressive drug load is an important risk determinant, but the details are unclear. We studied NHL risk in a nationwide Swedish cohort of 11 081 graft recipients transplanted 1970-2008. Relative risks (RRs) were estimated within the cohort and versus the general population by age, sex, follow-up time and calendar period. NHL risk was also assessed by cumulative and average doses of immunosuppressive treatments in a nested case-control design throughout 1997 using conditional logistic regression. We observed 153 NHL cases during 97 853 years of follow-up. Compared with the general population, NHL risk was eightfold increased (RR 7.9; 95% confidence interval [CI] 6.6-9.4), and increased risks persisted after >= 15 years of follow-up among kidney (6.1; 95% CI 3.5-10) and nonkidney recipients (44; 14-103). Among nonkidney recipients, NHL risk was lower in the 2000s compared with the 1990s (0.5; 95% CI 0.3-1.0; p = 0.04). A high average dose of antithymocyte immunoglobulin (ATG) conferred an eightfold increased risk of NHL (OR 8.5; 95% CI 1.9-38). To conclude, posttransplant NHL risk decreased during the last decade among nonkidney recipients, possibly because of a more careful use of ATG, the introduction of new drugs, or both.
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| 6. |
- Genovese, Giulio, et al.
(författare)
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Clonal hematopoiesis and blood-cancer risk inferred from blood DNA sequence.
- 2014
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Ingår i: The New England journal of medicine. - 1533-4406 .- 0028-4793. ; 371:26, s. 2477-87
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Tidskriftsartikel (refereegranskat)abstract
- Cancers arise from multiple acquired mutations, which presumably occur over many years. Early stages in cancer development might be present years before cancers become clinically apparent.
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| 7. |
- Hakimnia, Roya, et al.
(författare)
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Exploring the communication between telenurse and caller – A critical discourse analysis.
- 2014
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Ingår i: International Journal of Qualitative Studies on Health and Well-being. - : Informa UK Limited. - 1748-2623 .- 1748-2631. ; 24:9
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Tidskriftsartikel (refereegranskat)abstract
- Background: Telenursing is an expanding service in most Western societies. Sweden is a front-line country, with all of its 21 counties connected to Swedish Healthcare Direct (SHD) 1177. The intention of the service is twofold: to make health care more efficient, while also making it more accessible and safe for patients. Previous research has shown, however, that the service is not used equitably. Gender, age, socio-economic, and ethnicity differences have been reported as determining factors for the use of the service and the advice given.Aim: The aim of the study was to explore the communication between telenurses and callers in authentic calls to SHD 1177.Methodology: A qualitative method, using critical discourse analysis (CDA), was chosen. The approach was deductive, that is, the analysis was made in view of a predetermined framework of theory. Twenty calls were strategically chosen and included in the study.Results: The CDA resulted in five types of calls, namely a gatekeeping call, a gendered call, a call marked by impersonal traits, a call with voices of the life world, and finally a counter discourse call. The dominating patterns in the calls were of gatekeeping and biomedical character. Patterns of the societal gender order were found, in that representations of the reluctant male caller and the ideal female caller were identified, but also a call representing a counter discourse. The service seemed difficult to use for patients with low language proficiency.Conclusion: Telenursing could potentially challenge inequalities in health care. However, the discourse of telenursing is dialectically related to neoliberal ideology and the ideology of medicine. It is also situated in a gendered context of ideal femininity and hegemonic masculinity. Through better awareness of gender biases and the callers’ different resources for making themselves heard, the communication between telenurse and caller might become more equal and thereby better suitable for all callers.
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