Asthma and chemical bronchitis in vanadium plant workers.

  title={Asthma and chemical bronchitis in vanadium plant workers.},
  author={G B Irsigler and P J Visser and Peter Spangenberg},
  journal={American journal of industrial medicine},
  volume={35 4},
BACKGROUND Whether vanadium induces bronchial hyperresponsiveness and asthma in previously normal subjects is unresolved: the two reported series addressing this question both have shortcomings. OBJECTIVE To determine the cause of cough and breathlessness in vanadium plant workers after variable periods of exposure. DESIGN Case series of employees presenting with persistent symptoms over a 24-month study period. PATIENTS AND METHODS Forty of an estimated 1,440 patients were investigated… CONTINUE READING