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.
Subjects were followed up and assessed 4.5 years after last exposure. 6 living patients reported continuing symptoms suggestive of asthma, and 5 who were studied in 1985 demonstrated mild bronchial hyper-responsiveness. All patients reported that they had improved since leaving the factory, but they still reported symptoms. Authors conclude that after avoidance of exposure to tetrachlorophthalic anhydride, concentrations of specific IgE fell and symptoms of asthma improved, however, both were still present 4 years later.
BOHRF Associated Evidence Statements
The BOHRF occupational asthma guidelines state that this reference is associated
with the following evidence statements
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