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Am J Ind Med. 1997 Dec;32(6):665-9.

Prospective epidemiologic evaluation of laboratory animal allergy among university employees.

Author information

1
Department of Preventive Medicine and Environmental Health, University of Iowa, Iowa City, USA.

Abstract

OBJECTIVES:

Evaluation of incidence and risk factors for development of laboratory animal allergy (LAA) among new hires previously unexposed to lab animals.

METHODS:

Baseline, 6-month and yearly follow-up, questionnaires, pulmonary functions, and methacholine challenges were collected from 98 never-before occupationally exposed and 90 control laboratory researchers. The two groups were followed between 6 and 36 months.

RESULTS:

At baseline, there were no differences in atopy, pulmonary functions, or methacholine reactivity between the two groups. The incidence of work-related asthma was comparable in the two groups, approximately 2.5% at 6 months and 4.5% at 24 months. The rate of decline in FEV1 was statistically significantly greater in the animal-exposed than nonanimal-exposed workers, and animal-exposed smokers' FEV1 declined significantly more rapidly than any other groups'.

CONCLUSION:

Despite the low incidence of laboratory-animal allergy and work-related asthma in this group, this study corroborates previously described interaction between smoking and animal exposure.

PMID:
9358924
[Indexed for MEDLINE]

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