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[Technical aspects in the Pari provocation test I].

M Mohorn1, R Schäfer

  • 1Klinik Innere Medizin, Friedrich Schiller Universität Jena.

Pneumologie (Stuttgart, Germany)
|August 1, 1991
PubMed
Summary
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The Pari provocation test instrument, utilizing the reservoir method, demonstrates excellent aerosol performance and reproducibility for unspecific provocation tests. This device is suitable and recommended for clinical use.

Area of Science:

  • Respiratory medicine
  • Medical device engineering

Context:

  • Unspecific provocation tests are crucial for diagnosing airway hyperresponsiveness.
  • Existing methods for these tests have limitations.
  • The Pari provocation test instrument with its reservoir method offers potential advantages.

Purpose:

  • To evaluate the aerosol performance and reproducibility of the Pari provocation test instrument.
  • To assess the accuracy of aerosol volume delivery across different settings.
  • To determine the suitability of the instrument for unspecific provocation testing.

Summary:

  • The Pari provocation test instrument was tested for aerosol performance, yielding 0.086 +/- 0.002 ml/min (nozzle 1) and 0.083 +/- 0.002 ml/min (nozzle 2).
  • Reproducibility and agreement between nozzles were very good.

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  • Aerosol volume delivery was largely accurate, with minor deviations at specific settings, and the reasons were discussed.

    • Impact:

    • The study confirms the Pari provocation test instrument's suitability for unspecific provocation tests.
    • The findings support the recommendation of this instrument for clinical application.
    • This evaluation contributes to the standardization and reliability of airway hyperresponsiveness testing.