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.
50/125 subjects remained in the same job and all had respiratory symptoms. In 75 exposures ceased. Of these, half became asymptomatic. Noted that subjects who became asymptomatic had relatively normal lung function at time of diagnosis. Asthma was often not recognised; it took an average of 2 years after onset of symptoms to reach correct diagnosis. Subjects with shorter duration of exposure and shorter duration of symptoms prior to diagnosis and removal from exposure showed improvement. Early diagnosis and removal from exposure were found to be associated with recovery.
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