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- Eriksson, Thomas, et al.
(författare)
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The use of photos from patch-test reactions on day 7 taken by mobile phones by professional ice hockey players in Sweden investigated for the presence of occupational dermatoses
- 2016
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Ingår i: Contact Dermatitis. - 0105-1873 .- 1600-0536. ; 75:Suppl. 1, s. 39-
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- survey was undertaken in all ice hockey players in 26 professional teams in Sweden representing the two highest divisions. All players answered a questionnaire and the players from six teams, three from each of the two divisions, were patch tested with 72 test preparations in a baseline series supplemented with a series representing the work environment of the players. For practical reasons, the patch testing and test reading on day 3 took place in the arenas of the teams. As a traditional dermatologist reading on day 7 was impossible to perform in all but one team, the players and coaches were asked to use their mobile phones to take photos of the tested backs of the players on day 7 and to send them to the investigative team. In one team a dermatologist reading took place on day 7 independently of the mobile phone photos. In total, 107 players in the six teams were patch tested, and a reading on day 3 was performed in 103. Fifty contact allergic reactions were noted in 26 players. When comparing the reactions present on day 3 with the photos from day 7, seven (14%) more positive reactions were registered. The seven additional reactions were noted to seven different sensitizers: hexavalent chromium, oxidized linalool, thiomersal, mercapto mix, mercaptobenzothiazole, PFR-2 (a resol resin based on phenol and formaldehyde) and methylenedianiline. In summary, 14% more contact allergic reactions were diagnosed when using photos of the tested backs to replace the traditional dermatologist reading.
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- Hamnerius, N., et al.
(författare)
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Hand eczema in healthcare workers : a questionnaire survey of risk factors and work-related exposures
- 2016
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Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873. ; 75:S1
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Recent data on the prevalence and causes of hand eczema among healthcare workers in Sweden are lacking. Multidrug-resistant bacteria have necessitated improved hand hygiene and preventive measures. This has led to an increase in the use of disposable rubber gloves and hand disinfectants, which might influence the risk of hand eczema. Our aims were to identify healthcare workers with hand eczema; to estimate quantitative and qualitative exposure to rubber gloves, hand disinfectants and other exposures; and to survey constitutional factors. An electronic questionnaire was distributed to all employees at the hospitals in southern Sweden. The results were statistically analysed using χ2-tests and binary logistic regression. The 1-year prevalence of self-reported hand eczema was 20% among the responding 9051 nurses and physicians. On a daily basis, 30% reported hand washing >20 times at work, 45% reported using hand disinfectants >50 times, and 28% used >20 pairs of nonsterile rubber gloves. The prevalence of hand eczema was significantly higher among the employees reporting a higher exposure to hand washing, hand disinfectants and rubber gloves than in those reporting a lower exposure. The prevalence of hand eczema was also significantly higher among respondents with a history of childhood eczema, who were smokers, who had a body mass index >30 kgm-2, who spent >30 min per day working in the kitchen or who had children aged
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- Siemund, I., et al.
(författare)
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Penetration of aluminium salts through pig skin in vitro
- 2012
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Ingår i: Contact Dermatitis. - : Wiley. - 0105-1873. ; 66:s2, s. 52-52
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Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
- Background: Recently it was suggested to use aluminium chloride hexahydrate in petrolatum at 10% to detect aluminium contact allergy. Patch testing with aluminium chloride hexahydrate at 20% did not demonstrate a higher number of positive test reactions. It was speculated that the constricting effect of aluminium salts might impair skin penetration. Objectives: The purpose of the present study is to estimate the concentration of aluminium in various skin layers and in the recipient phase using different aluminium test preparations on pig skin in an in vitro diffusion cell system. Methods: Full-thickness (7sim; porcine ear skin was mounted in Franz-type diffusion cells. The diffusional area was 0.64 cm2 and recipient volume 4 ml. The dermal side was exposed to a recipient solution consisting of PBS (phosphate buffer saline, pH 7.4). Aluminium chloride hexahydrate preparations in petrolatum and in water at 10% were applied to the donor compartment facing the epidermis for 24 hr. All samples were analysed for total aluminium by atomic absorption spectrometry. The limit of detection was 0.01 μg/ml. Results: No aluminium could be detected in the recipient phase in the six diffusion cells. Conclusions: Neither aluminium in petrolatum nor in water gave detectable amounts of penetrating aluminium in 24 h. The lipophilicity of the vehicle was not decisive.
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