Results of isocyanate challenge tests performed on 63 workers referred with a diagnosis of probable isocyanate asthma between 1974 and 1988 were reviewed. Thirty (48 percent) had an acute episode of asthma with a greater than 20 percent decline in FEV1 following subirritant exposure to isocyanates. No difference in the frequency or type of respiratory complaints between isocyanate reactors and ...

Aim: The aim of this study was to assess the knowledge regarding prevention bronchial asthma among workers in JK cement factory Kashmir.Introduction: Occupational refers induced by exposure working environment airborne dusts, vapors, or fumes, with without preexisting asthma.. Over 250 materials encountered at workplace can cause occupational asthma, which accounts for about 15% all cases. Meth...

Occupational asthma can be induced by a variety of agents, including high and low molecular weight sensitisers, and respiratory irritants [1]. The role of exposure to cleaning products and disinfectants in work-related asthma is increasingly recognised, although the specific substances that increase asthma risk are not well identified [2]. Some of the numerous agents contained in these products...

cromolyn sodium, a mast cell stabilizing agent, provides an immediate protective effect against the exercise-induced bronchoconstriction while being used before the exercise. however, cromolyn is ineffective in reversing asthmatic bronchospasm; it is used as a maintenance therapy and has a prophylactic role in chronic asthma.    the purpose of this study was to determine the extent of change in...

In the present study, ethanolic extract of Mesua ferrea L. stamens was investigated for its potential to reverse some features bronchial asthma in ovalbumin-induced murine model asthma. commonly called nagakeshar (Family, Calophyllaceae) is a well-known antiallergic drug Asian folk system medicines. work, pharmacological studies are done provide scientific evidence therapeutic plants allergic A...