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  • Munksgaard International Publishers  (5)
Document type
Publisher
Years
  • 1
    Electronic Resource
    Electronic Resource
    Gold trichloride and gold sodium thiosulfate as markers of contact allergy to gold (2005)
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Contact dermatitis 53 (2005), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The usefulness of a trivalent gold salt, gold trichloride (GTC), was evaluated as a marker of contact allergy to gold. Patients patch test-positive or patch test-negative to gold sodium thiosulfate (GSTS), 13 subjects of each, were patch tested with dilution series of GTC and equimolar concentrations of GSTS. In order to avoid false-positive and false-negative test reactions, the salts were buffered and placed on polypropene chambers. Allergic reactions were registered in 9/13 gold-allergic patients with GSTS and in 2/13 with GTC. The sum of positive reactions was 18 with GSTS and 5 with GTC. Irritant reactions were none with GSTS and 2 with GTC in the gold-allergic patients. It is concluded that GTC can elicit positive patch test reactions in patients with gold allergy but to a lesser degree when compared with GSTS. Thus, GTC cannot be recommended in patch testing, and GSTS is still the test agent of choice.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0105-1873.2005.00648.x
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Contact allergy to the Asteraceae plant Ambrosia artemisiifolia L. (ragweed) in sesquiterpenelactone-sensitive patients in southern Sweden (2002)
    Oxford, UK : Munksgaard International Publishers
    Contact dermatitis 47 (2002), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Ambrosia artemisiifolia L. a classical cause of ragweed dermatitis in North America, is also found in Europe. 17 patients with contact allergy to sesquiterpene lactone (SL) mix were recalled for patch testing with extracts of North American and Swedish ragweed, the latter harvested in summer and autumn. 8/17 patients were test-positive to the American extract, 14/17 to the Swedish summer extract and 15/17 to the autumn extract. All patients except 1 were found to have a chronic hand eczema of the pompholyx type. 5/16 hand eczema patients had a flare-up of their pompholyx at patch testing. We concluded that patients with SL mix allergy are allergic to American as well as to Swedish ragweed. Pompholyx seems to be a frequent clinical picture in patients with SL mix allergy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2002.470306.x
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Dental gold alloys and contact allergy (2002)
    Oxford, UK : Munksgaard International Publishers
    Contact dermatitis 47 (2002), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Contact allergy to gold as demonstrated by patch testing is very common among patients with eczematous disease and seems to be even more frequent among patients with complaints from the oral cavity. There is a positive correlation between gold allergy and the presence of dental gold. Gold allergy is often found in patients with non-specific stomatitides as well as in those with lichenoid reactions or with only subjective symptoms from the oral cavity. The therapeutic effect of substituting other dental materials for gold alloys is conspicuous in casuistic reports but less impressive in larger patient materials. The amount of dental gold is correlated qualitatively and quantitatively to the blood level of gold and the effects if any of circulating blood gold are unknown. There is clearly a need for prospective studies in the field and gold sodium thiosulfate is considered an important item in the dental series for patch testing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2002.470201.x
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Percutaneous absorption of gold sodium thiosulfate used for patch testing (2004)
    Oxford, UK; Malden, USA : Munksgaard International Publishers
    Contact dermatitis 51 (2004), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Contact allergy to gold has been shown to be correlated to wearing of golden jewellery as well as to the presence of dental gold. The prerequisite for sensitization and elicitation of an allergic contact dermatitis to gold is ionization and percutaneous absorption of the allergen. The present study was undertaken with the aim to demonstrate gold in blood after an occlusive patch testing with gold sodium thiosulfate (GSTS). Patients were patch tested with GSTS 0.5, 2.0 and 5.0% in petrolatum. Venous blood was sampled before testing as well as on day 3 (D3) or day 7 (D7). Blood gold levels were analysed by inductively coupled plasma mass spectrometry. In all 66 patients, the blood level of gold was significantly higher in the 2nd blood sample than in the 1st (median 0.34 versus 0.03 µg/l). The increase was similar in patients allergic and not allergic to gold. There was no difference between gold levels on D3 and on D7 after epicutaneous application. Presumably, other allergens may also be taken up in blood during patch testing.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.0105-1873.2004.00398.x
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Exposure to metallic gold in patients with contact allergy to gold sodium thiosulfate (2000)
    Copenhagen : Munksgaard International Publishers
    Contact dermatitis 43 (2000), S. 0 
    Details
    ISSN: 1600-0536
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Gold allergy is common, with approximately 10% of patients patch tested because of eczematous disease being positive to gold sodium thiosulfate (GSTS). However, clinical relevance seems to be rare. The aim of this prospective double-blind study was to demonstrate the effects of exposure to metallic gold, in this case earrings, in gold-positive patients. 60 female patients with pierced earlobes test-positive to GSTS were included in the study. The patients were randomized into 2 groups, 30 patients receiving earrings with a surface layer consisting of 24-carat gold and 30 patients earrings with a surface layer of titanium nitride, virtually indistinguishable from gold. The patients wore the earrings for 8 weeks. During the study, any dermatitis on the earlobes, as well as on other body sites, was registered. The skin reactions observed were weak but, in total, 17 of the 60 patients had a skin reaction (local or remote) during the study, 12 of whom had received gold earrings and 5 titanium (p〈0.05). 11 patients had a reaction on the earlobes, 7 of whom had received gold earrings and 4 titanium (NS). With these facts it is hard to exclude that exposure to gold jewelry can be clinically relevant in persons hypersensitive to gold.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1034/j.1600-0536.2000.043006344.x
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    Paper (German National Licenses)
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