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A New Method for Estimating Changes in Bronchomotor Tone Using the Apple Microcomputer

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Book cover Computers in Critical Care and Pulmonary Medicine

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Abstract

Studies of the effects of therapy on bronchomotor activity in man are complicated by the fact that airways resistance (Raw) may be markedly influenced by changes in lung volume (VL). Specific airways conductance (SGaw), derived from either the ratio of conductance (1/Raw) to thoracic gas volume, or the slope of a plot of conductance against volume, may be used as an index of bronchomotor tone. We have adapted the forced airflow oscillation method for measuring resistance to determine SGaw in patients when the body Plethysmographic method is unsuitable (e.g. during anaesthesia or IPPV) or unavailable.

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References

  1. W. A. Briscoe and A. B. Dubois, The relationship between airway resistance, airway conductance and lung volume in subjects of different age and body size, J. Clin. Invest. 37:1279 (1958).

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  2. H. Watt, R. C. Zimmerman, I. R. Peters and W. J. Sullivan, Direct write out of total respiratory resistance, J. Appl. Physiology. 28:675 (1970).

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Author information

Authors and Affiliations

  1. Division of Anaesthesia, Clinical Research Centre, Watford Road, Harrow, Middlesex, England

    J. R. Lehane, C. Jordan, J. P. Royston & J. G. Jones

Authors
  1. J. R. Lehane
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  2. C. Jordan
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  3. J. P. Royston
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  4. J. G. Jones
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Editor information

Editors and Affiliations

  1. Erasmus University, Rotterdam, The Netherlands

    O. Prakash

  2. University of Glasgow, Glasgow, UK

    A. A. Spence

  3. Royal College of Surgeons, London, UK

    J. P. Payne

  4. University of Lund, Lund, Sweden

    B. Jonson

  5. Yale University School of Medicine, Connecticut, USA

    S. Nair

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© 1982 Plenum Press, New York

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Lehane, J.R., Jordan, C., Royston, J.P., Jones, J.G. (1982). A New Method for Estimating Changes in Bronchomotor Tone Using the Apple Microcomputer. In: Prakash, O., Spence, A.A., Payne, J.P., Jonson, B., Nair, S. (eds) Computers in Critical Care and Pulmonary Medicine. Springer, Boston, MA. https://doi.org/10.1007/978-1-4615-6704-2_14

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  • DOI: https://doi.org/10.1007/978-1-4615-6704-2_14

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4615-6706-6

  • Online ISBN: 978-1-4615-6704-2

  • eBook Packages: Springer Book Archive

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