Abnormal inspiratory flow-volume curves in patients with sleep-disordered breathing

E. F. Haponik, E. R. Bleecker, Richard Allen, Philip L Smith, J. Kaplan

Research output: Contribution to journalArticle

Abstract

Although flow-volume curves are valuable in detecting extrathoracic airway obstruction, their role in testing patients with sleep-disordered breathing is undefined. To determine whether patients with sleep-disordered breathing have abnormal flow-volume curves consistent with variable extrathoracic obstruction, 60 subjects referred with suspected with suspected sleep disorders prospectively underwent spirometry and assessment of flow-volume curves. These tests were interpreted independent of the outcome of polysomnography. Fourteen of 35 subjects (40%) with sleep-disordered breathing had abnormal flow-volume curves consistent with variable extrathoracic airway obstruction, and 2 of 25 (8%) with no breathing disorder had extrathoracic obstruction (p

Original languageEnglish (US)
Pages (from-to)571-574
Number of pages4
JournalAmerican Review of Respiratory Disease
Volume124
Issue number5
StatePublished - 1981

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Sleep Apnea Syndromes
Airway Obstruction
Polysomnography
Spirometry
Respiration

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine

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Abnormal inspiratory flow-volume curves in patients with sleep-disordered breathing. / Haponik, E. F.; Bleecker, E. R.; Allen, Richard; Smith, Philip L; Kaplan, J.

In: American Review of Respiratory Disease, Vol. 124, No. 5, 1981, p. 571-574.

Research output: Contribution to journalArticle

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