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Sökning: L773:1097 6825 > Svanes Cecilie

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1.
  • Gómez Real, Francisco, et al. (författare)
  • Menstrual irregularity and asthma and lung function
  • 2007
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 120:3, s. 557-564
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Oligomenorrhea was associated with more asthma (Respiratory Health in Northern Europe study), but a possible association with lung function has not been investigated previously. Objective: To investigate whether oligomenorrhea was related to lung function and asthma, and whether body mass index and physical activity modified associations. Methods: Women age 28 to 44 years (n = 1631) participating in the European Community Respiratory Health Survey were included. Women who were taking exogenous sex hormones, were pregnant, or had recently given birth were excluded. Results: Long or irregular menstrual cycles were reported by 313 women (19%). Oligomenorrhea was significantly associated with more asthma symptoms (odds ratio [OR], 1.76; 95% CI, 1.29-2.40), allergic asthma (OR, 2.46; 95% CI, 1.43-4.23), and lower forced vital capacity (FVC; adjusted difference, 63 mL; 95% CI, -124 to -1). When excluding women using asthma medication, very lean women, or women exercising daily, these associations remained significant. Effects of oligomenorrhea were additive to those of body mass index (BMI) on asthma and FVC. Asthma symptoms increased significantly with BMI. FVC and FEV1 increased with BMI until 25 kg/m2 and thereafter decreased with increasing BMI. Excluding women exercising daily, asthma symptoms increased significantly with decreasing physical activity (OR, 1.09; 95% CI, 1.001-1.19) per category of physical activity) independently of oligomenorrhea. Among women exercising daily, oligomenorrhea predicted very high risk for asthma symptoms (OR, 12.6; 95% CI, 3.7-43). Conclusion: Women with oligomenorrhea have reduced lung function and more asthma, particularly allergic asthma, independent of BMI and physical activity. Airways pathology may have not only a hormonal but also a metabolic component. Clinical implications: Women with oligomenorrhea should be investigated with regard to asthma and lung function. Underlying metabolic disturbance should be considered in asthma.
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2.
  • Heinrich, Joachim, et al. (författare)
  • Cat allergen level : its determinants and relationship to specific IgE to cat across European centers
  • 2006
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 118:3, s. 674-681
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Cat allergen level in settled house dust and its determinants in Europe are unknown. Objective: The aim of this study is to quantify the level of cat allergens in mattress dust, to study its determinants, and to analyze the relationship with cat specific IgE on community level across European centers. Methods: Trained field workers collected dust from approximately 3000 mattresses during home visits in 22 European Community Respiratory Health Survey II centers. Sieved dust extracts were assayed for cat allergen using a mAb ELISA assay. Results: The overall geometric mean cat allergen was 0.94 mu g/g, ranging from 0.12 mu g/g in Huelva, Spain, to 3.76 mu g/g in Antwerp, Belgium. Current cat owners' homes showed substantially higher levels than past cat owners' and never cat owners' homes (geometric mean and 95% CI, 61.4 mu g/g [48.4-77.9] vs 1.37 mu g/g [0.97-1.9] vs 0.29 mu g/g [0.27-0.31]x). Community prevalence of cat ownership was moderately correlated with cat allergen levels in noncat owners (r(s) = 0.50), but not for past or current cat owners. The multilevel model identified community prevalence of cat keeping as the only statistically significant determinant of mattress cat allergen levels for noncat owners. However, averaged cat allergen levels per center were not related to community prevalence of detectable specific IgE to cat. Conclusion: Not having a cat in the home is associated with substantially lower Fel d 1 concentration, but does not protect against high Fel d 1 exposure in communities where cat ownership is common. Clinical implications: People (including patients with cat allergy) who do not own cats may be exposed to high levels of cat allergen in their home, particularly if they live in communities with high levels of cat ownership.
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4.
  • Macsali, Ferenc, et al. (författare)
  • Oral contraception, body mass index, and asthma : a cross-sectional Nordic-Baltic population survey
  • 2009
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 123:2, s. 391-397
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Emerging evidence suggests that sex steroid hormones may influence airways obstruction, and that metabolic status may modify potential effects. OBJECTIVE: This study investigated the association between use of oral contraceptive pills (OCPs) and asthma in a Nordic-Baltic population-based study, while taking into account possible interplay with body mass index (BMI). METHODS: Postal questionnaires were sent to subjects in Denmark, Estonia, Iceland, Norway, and Sweden from 1999 to 2001 (response rate in women, 77%). Pregnant women, women using hormone replacement therapy, and women >45 years were excluded. Analyses included 5791 women 25 to 44 years old, of whom 961 (17%) used OCP. Logistic regression analyses included adjustment for smoking, irregular menstruation, BMI, age, type of dwelling, and center. RESULTS: Oral contraceptive pills were associated with increased risk for asthma (odds ratio, 1.42; 95% CI, 1.09-1.86), asthma with hay fever (1.48; 1.08-2.03), wheeze with shortness of breath (1.27; 1.02-1.60), hay fever (1.25; 1.06-1.48), and >/=3 asthma symptoms (1.29; 1.05-1.58). The findings were consistent between centers. The associations were present only among normal weight women (BMI 20-25 kg/m(2), asthma: 1.45; 1.02-2.05) and overweight women (BMI >25kg/m(2): 1.91; 1.20-3.02), but not among lean women (BMI <20 kg/m(2): 0.41; 0.12-1.40). Interaction between BMI and OCP in association with asthma was significant (P(interaction) < .05). CONCLUSIONS: Women using oral contraceptive pills had more asthma. This was found only in normal weight and overweight women, indicating interplay between sex hormones and metabolic status in effect on the airways. The findings originate from a cross-sectional postal survey and should be interpreted with caution; it is recommended that asthma symptoms are included in clinical trials of oral contraception.
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5.
  • Matheson, Melanie Claire, et al. (författare)
  • Early-life risk factors and incidence of rhinitis : Results from the European Community Respiratory Health Study - an international population-based cohort study
  • 2011
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 128:4, s. 816-823.e5
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Rhinitis is an increasingly common condition with a heavy health care burden, but relatively little is known about its risk factors. Objective: To examine the association between early-life factors and the development of rhinitis in the European Community Respiratory Health Study (ECRHS). Methods: In 1992-1994, community-based samples of 20-44-year-old people were recruited from 48 centers in 22 countries. On average, 8.9 years later, 28 centers reinvestigated their samples. Onset of rhinitis was reported by 8486 participants in interviewer-led questionnaires. Cox regression was used to assess independent predictors of rhinitis at ages <= 5, 6-10, 11-20, and >= 21 years. Results: The crude lifelong incidence of rhinitis was 7.00/1000/year (men) and 7.95/1000/year (women) (P = .002). Women developed less rhinitis in later childhood (hazard ratios [HR], 0.63; 95% CI, 0.47-0.85) and more rhinitis in adulthood (HR, 1.36; 95% CI, 1.11-1.66) than did men. In atopic subjects, siblings were associated with lower risk of rhinitis throughout life (pooled HR, 0.94; 95% CI, 0.91-0.98 per 1 sibling). Early contact with children in the family or day care was associated with less incidence of rhinitis, predominantly before age 5 years (HR, 0.84; 95% CI, 0.72-0.99). Early childhood pets or growing up on a farm was associated with less incidence of rhinitis in adolescence (HR, 0.50; 95% CI, 0.37-0.68). Combining these factors showed evidence of a dose-response relationship (trend P = .0001). Conclusions: Gender is a strong risk factor for rhinitis, with age patterns varying according to atopic status. Protective effects of early contact with children and animals were suggested for incident rhinitis, with risk patterns varying by age window and atopic status.
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6.
  • Olivieri, Mario, et al. (författare)
  • Risk factors for new-onset cat sensitization among adults : A population-based international cohort study
  • 2012
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 129:2, s. 420-425
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Cat exposure during childhood has been shown to increase the risk of developing cat sensitization, while the effect of cat exposure in adulthood has not yet been established. OBJECTIVE: To evaluate new-onset sensitization to cat in adulthood in relation to changes in cat keeping. METHODS: A total of 6292 European Community Respiratory Health Survey I (ECRHS I) participants aged 20 to 44 years from 28 European centers, who were not sensitized to cat, were reevaluated 9 years later in ECRHS II. Present and past cat ownership and total and specific IgE levels were assessed in both surveys. Allergen-specific sensitization was defined as a specific serum IgE level of 0.35 kU/L or more. RESULTS: A total of 4468 subjects did not have a cat in ECRHS I or ECRHS II, 473 had a cat only at baseline, 651 acquired a cat during the follow-up, and 700 had a cat at both evaluations. Two hundred thirty-one subjects (3.7%) became sensitized to cat. In a 2-level multivariable Poisson regression model, cat acquisition during follow-up was significantly associated with new-onset cat sensitization (relative risk = 1.85, 95% CI 1.23-2.78) when compared with those without a cat at both surveys. Preexisting sensitization to other allergens, a history of asthma, nasal allergies and eczema, and high total IgE level were also significant risk factors for developing cat sensitization, while cat ownership in childhood was a significant protective factor. CONCLUSION: Our data support that acquiring a cat in adulthood nearly doubles the risk of developing cat sensitization. Hence, cat avoidance should be considered in adults, especially in those sensitized to other allergens and reporting a history of allergic diseases.
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7.
  • Real, Francisco Gómez, et al. (författare)
  • Lung function, respiratory symptoms, and the menopausal transition
  • 2008
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 121:1, s. 72-80.e3
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: There is limited information on potential changes in respiratory health when women enter the menopausal transition. OBJECTIVE: We sought to investigate whether the menopausal transition is related to lung function and asthma and whether body mass index (BMI) modifies associations. METHODS: Four thousand two hundred fifty-nine women from 21 centers (ECRHS II, 2002) responded to a questionnaire concerning women's health. Women aged 45 to 56 years not using exogenous sex hormones (n = 1274) were included in the present analysis. Lung function measurements (n = 1120) and serum markers of hormonal status (follicle-stimulating hormone, luteinizing hormone, and estradiol; n = 710) were available. Logistic and linear regression analyses were adjusted for BMI, age, years of education, smoking status, center, and height. RESULTS: Women not menstruating for the last 6 months (n = 432, 34%) had significantly lower FEV(1) values (-120 mL [95% CI, -177 to -63]), lower forced vital capacity values (-115 mL [95% CI, -181 to -50]), and more respiratory symptoms (odds ratio [OR], 1.82 [95% CI, 1.27-2.61]) than those menstruating regularly. Results were similar when restricting analyses to those who never smoked. Associations were significantly stronger in women with BMIs of less than 23 kg/m(2) (respiratory symptoms: OR, 4.07 [95% CI, 1.88-8.80]; FEV(1) adjusted difference: -166 [95% CI, -263 to -70]) than in women with BMIs of 23 to 28 kg/m(2) (respiratory symptoms: OR, 1.10 [95% CI, 0.61-1.97], P(interaction): .04; FEV(1) adjusted difference, -54 [95% CI, -151 to 43], P(interaction) = .06). CONCLUSIONS: Menopause is associated with lower lung function and more respiratory symptoms, especially among lean women.
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8.
  • Svanes, Cecilie, et al. (författare)
  • Do asthma and allergy influence subsequent pet keeping? An analysis of childhood and adulthood
  • 2006
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 118:3, s. 691-698
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Asthma and allergy might influence the choice of keeping pets, leading to apparent protective effects of pets on allergic disease. Objective: We investigated the effects of asthma and allergy on subsequent pet keeping in childhood and adulthood. Methods: Information about asthma and pet keeping at ages 0 to 4, 5 to 15, 20 to 44, and 26 to 56 years was provided by 9812 subjects participating in the 9-year follow-up of the European Community Respiratory Health Survey. Results: In childhood asthma debut at younger than 5 years was associated with less cat keeping at 5 to 15 years (odds ratio [OR], 0.60; 95% CI, 0.44-0.82), an effect only observed when the parents did not have asthma or allergy (P-interaction = .045). Childhood asthma did not influence adult pet ownership, unless there were adult symptoms. Adults less often acquired cats at follow-up if they had 3 or more asthma symptoms (OR, 0.78; 95% CI, 0.64-0.95), were taking asthma medication (OR, 0.48; 95% CI, 0.31-0.74), had hay fever (OR, 0.75; 95% CI, 0.620.91), had atopy (OR, 0.75; 95% CI, 0.61-0.91), or had specific IgE to cat (OR, 0.57; 95% CI, 0.39-0.82) at baseline. Adults who already had pets usually continued keeping the same type of pet, except that the presence of 3 or more asthma symptoms was associated with less subsequent dog keeping (OR, 0.69; 95% CI, 0.53-0.89). Pet removal between surveys to reduce allergen was reported by 4.7%. Conclusion: Selective avoidance subsequent to asthma or allergy was observed for childhood cat keeping and adult cat acquisition. Avoidance would produce an apparent protective effect of cats on childhood asthma (large OR, 0.83). Avoidance was generally not observed for dogs or birds. Clinical implications: A part of the protective effects of childhood cats on asthma and allergy can be attributed to selective avoidance.
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9.
  • Zock, Jan-Paul, et al. (författare)
  • Distribution and determinants of house dust mite allergens in Europe : the European Community Respiratory Health Survey II
  • 2006
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 118:3, s. 682-690
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Several studies in European homes have described allergen levels from the house dust mite species Dermatophagoides pteronyssinus and to a lesser extent Dermatophagoides farinae, but geographic comparisons of exposure levels and risk factors have been hampered by a lack of standardized methods. Objective: To study the distribution and determinants of the major house dust mite allergens Der p 1 and Der f 1 in 10 European countries using a common protocol. Methods: During home visits with 3580 participants of the European Community Respiratory Health Survey II from 22 study centers, mattress dust was sampled and analyzed for Der p 1, Der f 1, and Der 2 allergen. Information on housing characteristics was obtained by both observations and interview. Results: Der 1 and Der 2 allergens were detectable (>= 0.1 mu g/g) in 68% and 53% of the samples, respectively. Large differences in allergen levels between study centers were observed, and geographic patterns for Der p 1 and Der f 1 were different. Low winter temperatures reduced Der p 1 rather than Der f 1. Important risk factors for high allergen levels included an older mattress, a lower floor level of the bedroom, limited ventilation of the bedroom, and dampness for Der p 1 but not for Der f 1. Conclusion: There are large qualitative and quantitative differences of house dust mite allergen levels in Europe, which can partly be explained by geographic and housing characteristics. Clinical implications: Mite allergen exposure may be reduced by replacing the mattress regularly and increasing ventilation of the bedroom, particularly in winter.
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10.
  • Zock, Jan-Paul, et al. (författare)
  • Domestic use of hypochlorite bleach, atopic sensitization, and respiratory symptoms in adults
  • 2009
  • Ingår i: Journal of Allergy and Clinical Immunology. - : Elsevier BV. - 0091-6749 .- 1097-6825. ; 124:4, s. 731-738
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Professional use of hypochlorite (bleach) has been associated with respiratory symptoms. Bleach is capable of inactivating allergens, and there are indications that its domestic use may reduce the risk of allergies in children. OBJECTIVE: To study the associations between household use of bleach and atopic sensitization, allergic diseases, and respiratory health status in adults. METHODS: We identified 3626 participants of the European Community Respiratory Health Survey II in 10 countries who did the cleaning in their homes and for whom data on specific serum IgE to 4 environmental allergens were available. Frequency of bleach use and information on respiratory symptoms were obtained in face-to-face interviews. House dust mite and cat allergens in mattress dust were measured in a subsample. Associations between the frequency of bleach use and health outcomes were evaluated by using multivariable mixed logistic regression analyses. RESULTS: The use of bleach was associated with less atopic sensitization (odds ratio [OR], 0.75; 95% CI, 0.63-0.89). This association was apparent for specific IgE to both indoor (cat) and outdoor (grass) allergens, and was consistent in various subgroups, including those without any history of respiratory problems (OR, 0.85). Dose-response relationships (P < .05) were apparent for the frequency of bleach use and sensitization rates. Lower respiratory tract symptoms, but not allergic symptoms, were more prevalent among those using bleach 4 or more days per week (OR, 1.24-1.49). The use of bleach was not associated with indoor allergen concentrations. CONCLUSION: People who clean their homes with hypochlorite bleach are less likely to be atopic but more likely to have respiratory symptoms.
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