Vocal cord dysfunction in former World Trade Center (WTC) rescue and recovery workers and volunteers

American Journal of Industrial Medicine
Rafael E de la HozRobin Herbert

Abstract

Vocal cord dysfunction (VCD) is a condition characterized by paradoxical partial adduction of the vocal cords on inspiration. It has been associated with exposures to irritants, as well as with psychological illnesses and conditions. Workers who participated in the recovery of the WTC disaster site were exposed to a large amount of irritants as well as considerable psychological stressors. We describe the clinical characteristics of 10 symptomatic former WTC workers diagnosed with this condition, as well as the frequency of spirometric findings suggestive of variable extrathoracic obstruction. Workers who became symptomatic after their WTC work experience have been evaluated clinically by a multidisciplinary team at an academic medical center. The evaluation included history, physical examination, chest radiograph, blood tests, and pre- and post-bronchodilator spirometry in all patients. Additional evaluations and diagnostic tests included otolaryngological evaluation with flexible rhinolaryngoscopy and stroboscopy, gastroenterological and psychiatric evaluations. A randomly selected sample of 172 spirometry results were reviewed for evidence of inspiratory flow limitation. Variable extrathoracic obstruction was found in 18.6% ...Continue Reading

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Citations

Apr 29, 2010·Current Allergy and Asthma Reports·Rafael E de la HozJeffrey M Cohen
Apr 29, 2010·Current Allergy and Asthma Reports·Rafael E de la Hoz
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