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Individual and environmental risk factors for hand eczema in hospital workers
Umeå University, Faculty of Medicine, Department of Public Health and Clinical Medicine, Dermatology and Venerology. Department of Dermatology, Sundsvall Hospital, Sundsvall Sweden.
1986 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

Individual and environmental risk factors in hand eczema have been investigated in a prospective cohort study of 2452 newly employed hospital workers with a follow-up time of 20 months. Current hand eczema was analyzed in 142 wet hospital workers from this cohort with respect to the etiologic importance of irritants, allergens and contact urticants. The density of the microflora and the effect on the microflora of topical treatment with a potent corticosteroid were studied in 20 patients with hand eczema.

’Wet’ hospital work was found to increase the odds of developing hand eczema only twice compared to 'dry' office work. Nursing children under four years old and the lack of a dish-washing machine significantly increased the risk of contracting hand eczema. Unfavourable combinations of these domestic factors increased the risk as much as wet work. A history of atopic dermatitis approximately tripled the odds both in wet as well as in dry work.

Histories of earlier hand eczema (HHE), metal dermatitis (HMD) and of atopy were analyzed as risk factors for hand eczema in 1857 women in wet work. HHE increased the odds by a factor of 12.9 and created a subdivision of the population into high risk individuals and normal risk individuals. HHE was found in half of the subjects with atopic dermatitis, in one quarter of the subjects with atopic mucosal symptoms and in one fifth of the non-atopics. A HMD increased the odds by a factor of 1.8. This increase was seen as a high risk level in subjects with HHE and as a normal risk level in subjects with no HHE. A history of atopic disease as a complement to information about HHE and HMD increased the odds by another 1.3 times. The predicted probability of developing hand eczema ranged from 91 % in subjects with a combination of HHE, HMD and atopy to 24% in subjects with none of these risk factors.

Subjects with AD were found to suffer a more severe form of hand eczema with significantly higher figures for medical consultation, sick- leave, termination due to hand eczema, early debut, permanent symtoms and vesicular lesions.

Amongst the patients investigated for current hand eczema high risk individuals were overrepresented. It was claimed in 92.3% of the cases that trivial irritant factors had elicited the current episodes of hand eczema. In 35% of the cases the exposure to the irritant took place largely at home. Although contact sensitivity and contact urticaria were fairly common, they mostly seemed to be of minor importance in the etiology of the current hand eczema.

Staphylococcus aureus colonized eczematous lesions of the hands in 18/20 patients. The density exceeded 105 colony forming units/cm2 in 15/20 patients. Only three of these patients showed signs of clinical infection. Successful topical treatment with a potent corticosteroid significantly reduced the colonization of S. aureus.

Place, publisher, year, edition, pages
Umeå: Umeå universitet , 1986. , 83 p.
Series
Umeå University medical dissertations, ISSN 0346-6612 ; 168
Keyword [en]
Hand eczema, prospective study, hospital workers, irritants, contact allergy, contact urticaria, atopy, metal dermatitis, multivariate regression analysis, evaluation of risk factors, microflora, S. aureus in hand eczema
National Category
Dermatology and Venereal Diseases
Identifiers
URN: urn:nbn:se:umu:diva-100542OAI: oai:DiVA.org:umu-100542DiVA: diva2:793389
Public defence
1986-05-23, Rosa Salen, 9tr, Tandläkarhögskolan, Umeå universitet, Umeå, 09:00
Projects
digitalisering@umu
Note

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Available from: 2015-03-09 Created: 2015-03-04 Last updated: 2015-04-10Bibliographically approved

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CiteExportLink to record
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Citation style
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