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.
Study investigated the value of powered dust respirator helmets in the treatment of 33 farmers with occupational asthma (24 with occupational asthma induced by cow dander or grains, 2 with other forms of atopic asthma, and 7 with non-atopic asthma) for 1 year. Morning and evening peak expiratory flow rates and daily symptoms of the subjects were monitored for 3 months without the use of the helmet and for 10 months with the helmet. Objective evidence of protection was obtained for farmers with occupational asthma. The morning peak flow rate increased and the variation in daily peak flow rate and the symptoms of cow-barn rhinitis diminished significantly during the helmet period. Authors conclude that results suggest that especially dairy farmers with occupational asthma benefit from the use of a powered dust respirator helmet.
BOHRF Associated Evidence Statements
The BOHRF occupational asthma guidelines state that this reference is associated
with the following evidence statements
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