Document Detail

Chronic cough and dyspnea in ice hockey players after an acute exposure to combustion products of a faulty ice resurfacer.
MedLine Citation:
PMID:  17294334     Owner:  NLM     Status:  MEDLINE    
The aim of this study was to characterize pulmonary function and radiologic testing in ice hockey players after exposure to combustion products of a faulty ice resurfacer. Our patients were 16 previously healthy hockey players who developed chronic cough and dyspnea after exposure. Symptom questionnaires, pulmonary function tests (PFTs), bronchoprovocation testing, cardiopulmonary exercise testing, high-resolution computed tomography (CT) imaging, and impulse oscillometry (IOS) were all used. A normal group was used for PFTs and IOS controls. Patients had onset of cough within 72 h of exposure. Ninety-two percent complained of dyspnea, 75% chest pain, and 33% hemoptysis. Eight percent were initially hospitalized for their symptoms. Eighty-five percent were treated with systemic steroids and 39% with inhaled bronchodilators. Six months postexposure, 54% complained of cough and 46% complained of dyspnea on exertion. All patients had normal PFTs; 8.3% had a significant bronchodilator response. All had normal exercise tests (mean VO2max = 90 +/- 3% predicted) and chest CTs. With IOS, 80% had a significant bronchodilator response (decreased resistance > 12% and SD score > 1; mean change = 21.1 +/- 9.9%, mean SD score = 3.1 +/- 2.5). No correlation existed between changes in resistance or reactance and spirometric values. Patient symptoms correlated significantly with bronchodilator response on IOS resistance (R=0.61, p=0.03). More than 50% of patients exposed to the combustion products of a faulty ice resurfacer remained symptomatic six months after exposure. Despite persistence of symptoms, conventional pulmonary function tests and radiologic evaluation did not reveal airway abnormalities. IOS showed evidence of increased airway resistance and small-airway disease, which correlated with patient symptoms.
Erika S Kahan; Ubaldo J Martin; Steve Spungen; David Ciccolella; Gerard J Criner
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Publication Detail:
Type:  Journal Article     Date:  2007-02-09
Journal Detail:
Title:  Lung     Volume:  185     ISSN:  0341-2040     ISO Abbreviation:  Lung     Publication Date:    2007 Jan-Feb
Date Detail:
Created Date:  2007-02-20     Completed Date:  2007-04-23     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7701875     Medline TA:  Lung     Country:  United States    
Other Details:
Languages:  eng     Pagination:  47-54     Citation Subset:  IM    
Division of Pulmonary and Critical Care Medicine, Department of Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania, USA.
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MeSH Terms
Air Pollution, Indoor / adverse effects*
Carbon Monoxide / toxicity
Cohort Studies
Cough / etiology*,  therapy
Dyspnea / etiology*,  therapy
Exercise Test / methods
Follow-Up Studies
Nitrogen Dioxide / toxicity
Respiratory Function Tests
Statistics, Nonparametric
Treatment Outcome
Vehicle Emissions / toxicity*
Reg. No./Substance:
0/Vehicle Emissions; 10102-44-0/Nitrogen Dioxide; 630-08-0/Carbon Monoxide

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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