Occupational Asthma Reference

Akasawa A, Matsumoto K, Saito H, Sakaguchi N, Tanaka K, Obata T, Tsubaki T, Uchiyama H, Matsunaga T, Kurosaka K, et al, Incidence of latex allergy in atopic children and hospital workers in Japan, Int Arch Allergy Immunol, 1993;101:177-181,

Keywords: as , oa, latex, hospital, Japan, IgE, IgG, dermatitis

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Abstract

The incidence of latex-induced allergy has been reported to be increasing in Europe and the US but not in Japan. We thus measured latex-specific IgE antibodies and latex-specific IgG antibodies in sera from 196 atopic children with low serum IgE levels (under 1,000 U/ml; group 1), 108 atopic children with high serum IgE levels (over 1,000 U/ml; group 2) and 601 hospital employees (group 3). Atopic children were diagnosed as having asthma, atopic dermatitis and/or food intolerance. One out of group 1 (0.5%) and 11 out of group 2 (10.2%) were found to have latex-specific IgE by radioallergosorbent assay (RAST), and 7 were further found to be positive for latex antigen by skin test. Fifty-five percent of group 1, 65% of group 2 and 9.7% of group 3 were found to have latex-specific IgG over 100 units/ml by enzyme linked immunosorbent assay (ELISA). Prior to our diagnosis most of the children and employees did not realize they were allergic to latex. These data suggest that caution should be taken regarding latex allergy when atopic children have to be operated upon as atopic children tend to be sensitized to the latex antigen after even minimal contact with latex products

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