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A Cross-Sectional Survey of 46 Employees Exposed to Trimellitic Anhydride

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This is a report of 46 employees exposed to trimellitic anhydride (TMA). The evaluation consisted primarily of periodic serum antibody studies and a questionnaire that identified symptoms compatible with allergic asthma and/or rhinitis, late respiratory systemic syndrome (LRSS), or pulmonary disease anemia (PDA) syndrome. Industrial hygiene data from the plant in 1989 reported exposures that were lower than levels in 1979. Seven employees had positive IgE antibody against trimellityl-human serum albumin (TM-HSA); one had TMA rhinitis, and another possibly had TMA asthma/rhinitis. Fourteen employees had positive IgG antibody against TM-HSA of whom only three had titers high enough to cause disease, and none of them had symptoms compatible with LRSS or PDA. At most, two workers had asthma or rhinitis during the 1990 evaluation. In summary, in this employee population with low level TMA exposure there is a low incidence of immunologically mediated disease due to TMA.

Document Type: Research Article


Publication date: 1992-05-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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