Objective To investigate the airway inflammation of workers exposed to isocyanate,and analyze the changes of related cytokines in se-rum.MethodsA total of 55 isocyanate-exposed workers were recruited as the experimental group and examined by questionnaire. PEF and sputuminduction were measured before and after work. 33 health individuals were selected as control group. Serum IL-8,IL-1β levels of all subjects were de-tected by EILSA.ResultsNeutrophil percentage in the induced sputum was increased(P < 0.05),m...