Burge PS, O'Brien IM, Harries MG, Peak Flow Rate Records In The Diagnosis Of Occupational Asthma Due To Colophony, Thorax, 1979;34:308-316,

BOHRF Original Authors' Main Conclusions

The original authors' main conclusions are taken from Abstract, Results and Discussion. They are decided upon by the authors of the BOHRF occupational asthma guidelines and form part of the guidelines.

Peak expiratory flow rate (PEFR) was measured in 29 workers with respiratory symptoms exposed to colophony fumes and compared with occupational history and bronchial provocation testing (BPT) in the same workers. The most common pattern is for asthma to increase with each successive working day, sometimes with an equivalent deterioration each working day. Regular recovery patterns taking 1, 2, and 3 days are described. Assessment of these records has shown them to be specific and sensitive. Results of PEFR records correlate well with BPT and provide a suitable alternative for the diagnosis of mild to moderate occupational asthma.

BOHRF Associated Evidence Statements

The BOHRF occupational asthma guidelines state that this reference is associated with the following evidence statements

* 3 Pre to post shift changes in lung function cannot be recommended for the validation or exclusion of occupational asthma.

Non Bohrf Information

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