Alveolar carbon dioxide and airway resistance in patients with postexercise bronchospasm

T. W. Allen, W. Addington, T. Rosendal, D. W. Cugell

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The relationship of end tidal carbon dioxide tension and specific airway conductance was measured in 9 subjects with postexertion bronchospasm and no other complaints. Three of the patients had a history of typical asthmatic symptoms 3 to 5 yr previously. There was no background of asthma in the other 6. Although these 9 patients were not typically asthmatic, their increase in airway resistance after exercise was similar to that observed in patients with classic asthma. No significant change was observed in end tidal carbon dioxide tension after cessation of exercise. Thus, inappropriate hyperventilation with hypocapnia was not a factor in producing either the symptoms or increased airway resistance after cessation of exercise.

Original languageEnglish (US)
Pages (from-to)816-821
Number of pages6
JournalAMER.REV.RESP.DIS.
Volume107
Issue number5
StatePublished - Dec 1 1973

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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