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Nickel allergy as r...
Abstract
Ämnesord
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- BACKGROUND: In population-based studies using self-reported nickel allergy, a hand eczema prevalence of 30-43% has been reported in individuals with nickel allergy. In a previous Swedish study, 958 schoolgirls were patch tested for nickel. In a questionnaire follow up 20 years later no association was found between nickel allergy and hand eczema. OBJECTIVES: To investigate further the relation between nickel allergy and hand eczema. METHODS: Three hundred and sixty-nine women, still living in the same geographical area, now aged 30-40 years, were patch tested and clinically investigated regarding hand eczema. RESULTS: Patch testing showed 30.1% nickel-positive individuals. The adjusted prevalence proportion ratio (PPR) for hand eczema after age 15 years in relation to nickel patch test results was 1.03 (95% confidence interval, CI 0.71-1.50). A history of childhood eczema was reported by 35.9%, and the PPR for hand eczema in relation to childhood eczema was 3.68 (95% CI 2.45-5.54). When analysing the relation separately in women with and without a history of childhood eczema a statistical interaction was found. The hand eczema risk was doubled in nickel-positive women without a history of childhood eczema, with a PPR of 2.23 (95% CI 1.10-4.49) for hand eczema after age 15 years. CONCLUSIONS: A doubled risk for hand eczema was found in nickel-positive women without a history of childhood eczema. When analysing all participants, there was no statistically significant difference between nickel-positive and nickel-negative women regarding occurrence of hand eczema. The most important risk factor for hand eczema was childhood eczema. The risk for hand eczema in nickel-positive women may previously have been overestimated.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Dermatologi och venereologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dermatology and Venereal Diseases (hsv//eng)
Nyckelord
- MEDICINE
- MEDICIN
- Dermatology and venerology
- Dermatologi och venerologi
- Medicine
- Medicin
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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