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Related Experiment Videos

Basic study of nasal provocative test. Second report: assessment method on provocative reaction.

M Okuda, H Yajima, S Uchikoshi

    Archives of Oto-Rhino-Laryngology
    |January 30, 1978
    PubMed
    Summary

    Diagnosing nasal allergy reactions requires precise testing. The Carbon Powder Elimination Test (CET) offers a valuable, objective method for assessing nasal provocation, surpassing traditional rhinoscopy and rhinomanometry.

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    Area of Science:

    • Allergy and Immunology
    • Otolaryngology
    • Diagnostic Methods

    Background:

    • Accurate assessment of nasal allergy reactions is crucial for diagnosis.
    • Existing methods like rhinoscopy and rhinomanometry have limitations in precision, objectivity, or practicality.
    • There is a need for a reliable and accessible test to evaluate nasal provocative responses.

    Purpose of the Study:

    • To compare the effectiveness of rhinoscopy (RS), rhinomanometry (RM), and a newly devised Carbon Powder Elimination Test (CET) for diagnosing nasal allergy.
    • To identify the most suitable method for assessing the intensity of reactions in nasal provocative tests.

    Main Methods:

    • Comparative study evaluating three diagnostic methods: rhinoscopy (RS), rhinomanometry (RM), and Carbon Powder Elimination Test (CET).

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  • Assessment of each method's positive rates, objectivity, equipment requirements, time, and patient cooperation needs.
  • Development and validation of the Carbon Powder Elimination Test by the authors.

    • Main Results:

    • Rhinoscopy (RS) demonstrated high positive rates but lacked objectivity and required examiner skill.
    • Rhinomanometry (RM) offered objectivity but had lower positive rates and significant impracticableness (26% in adults).
    • The Carbon Powder Elimination Test (CET) combined advantages of rhinoscopy with improved objectivity, though it required more time than RS.

    Conclusions:

    • The Carbon Powder Elimination Test (CET) is recognized as a valuable and preferable method for judging provoked nasal reactions in allergy diagnosis.
    • CET overcomes the subjectivity of rhinoscopy and the impracticableness of rhinomanometry.
    • Further validation of CET is recommended for routine clinical use in nasal allergy testing.