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Peak expiratory flow analysis in workers exposed to detergent enzymes
Vicky C Moore1, Paul Cullinan, Steven Sadhra
1Occupational Lung Disease Unit, Department of Respiratory Medicine, Birmingham Heartlands Hospital, Birmingham, UK. vicky.c.moore@heartofengland.nhs.uk
Occupational Medicine (Oxford, England)
|June 17, 2009
Summary
The Oasys program effectively diagnoses occupational asthma in detergent enzyme-exposed workers. However, exposure levels and enzyme sensitization do not alter peak expiratory flow (PEF) responses in symptomatic individuals.
Area of Science:
- Occupational Medicine
- Pulmonary Medicine
- Immunology
Background:
- Occupational asthma is a significant health concern for workers exposed to detergent enzymes.
- Assessing peak expiratory flow (PEF) is crucial for diagnosing work-related respiratory conditions.
Purpose of the Study:
- To evaluate serial PEF responses in symptomatic workers exposed to detergent enzymes.
- To determine the utility of the Oasys program in diagnosing occupational asthma.
- To investigate the relationship between exposure levels, sensitization, and PEF response.
Main Methods:
- Recruited symptomatic workers from a detergent enzyme company.
- Collected serial PEF measurements over 4 weeks.
- Utilized the Oasys program to assess PEF response and related it to sensitization and exposure levels.
Main Results:
- 79% of workers with occupational asthma were diagnosed using Oasys-confirmed PEF records.
- PEF response patterns were consistent across varying levels of enzyme exposure.
- Specific IgE sensitization levels did not correlate with the magnitude of PEF response.
Conclusions:
- The Oasys program is a sensitive diagnostic tool for detergent enzyme-induced occupational asthma.
- Magnitude of PEF response in symptomatic workers is not influenced by exposure levels or IgE sensitization.
- Serial PEF monitoring aids in the diagnosis of occupational asthma in enzyme-exposed workers.

