Poor prognosis of occupational asthma due to reactive dyes

11 workers with positive specific challenges to reactive dyes were followed up for a mean of 13 years. Symptomatic continued exposure mean 2.4 (SD 1.8) years, follup up at 4 and 13 years post presentation. There was no significant improvement in symptoms, methacholine reactivity or FEV1 at 13 years, although specific IgE usual became negative at 13 years

References

	Park H-W, Kim D-I, Sohn S-W, Park C-H, Kim S-S, Chang Y-S, Min K-U, Kim Y-Y, Cho S-H, Outcomes in occupational asthma caused by reactive dye after long-term avoidance, Clin Exp Allergy, 2007;37:225-230,

Comments