GUlLLERMO A. doPICO, M.D.; JOHN RANKIN, M.D., F.R.C.P.; LOUIS W. CHOSY, M.D.; WILLIAM G. REDDAN, Ph.D.; ROBERTA BARBEE, M.D.; BERNARD GEE, M.D.; HELEN A. DICKIE, M.D., M.A.C.P.
An outbreak of upper and lower respiratory tract inflammatory disease and conjunctivitis among synthetic rubber tire workers occurred. The outbreak began after the introduction of a new thermosetting resin, containing resorcinol and a trimere of methylene aminoacetronitrile, into the rubber tire carcass stock formulation. Two hundred ten workers were affected. Characteristically, symptoms improved during periods of sick leave or vacation, recurring upon the workers' return to the plant. Chest radiograms disclosed pneumonic infiltrates in about one fourth of the cases. Pulmonary function studies detected abnormal airways dynamics as well as abnormal diffusing capacity in more than one third of the workers tested. Lung biopsy showed evidence of focal interstitial fibrosis and peribronchiolar and perivascular chronic inflammatory reaction. The illness was ascribed to volatile products released during the manufacture of synthetic rubber tires. The exact chemical nature of these products is unknown.
GUlLLERMO A. doPICO, JOHN RANKIN, LOUIS W. CHOSY, WILLIAM G. REDDAN, ROBERTA BARBEE, BERNARD GEE, et al. Respiratory Tract Disease from Thermosetting Resins: Study of an Outbreak in Rubber Tire Workers. Ann Intern Med. 1975;83:177–184. doi: 10.7326/0003-4819-83-2-177
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Published: Ann Intern Med. 1975;83(2):177-184.
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