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Related Experiment Videos

Current advances in rhinomanometry

K Naito1, S Iwata

  • 1Department of Otolaryngology, Fujita Health University School of Medicine, Aichi, Japan.

European Archives of Oto-Rhino-Laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery
|January 1, 1997
PubMed
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Active posterior rhinomanometry is a minimally invasive technique for assessing nasal patency. While rhinomanometry provides objective data on nasal obstruction, results may not always align with patient-reported symptoms.

Area of Science:

  • Otolaryngology
  • Respiratory Physiology
  • Medical Instrumentation

Background:

  • Nasal patency assessment is crucial for diagnosing and managing nasal obstruction.
  • Rhinomanometry is a widely used objective method for evaluating nasal airflow and resistance.
  • Variations in methodology and interpretation exist across different studies and populations.

Purpose of the Study:

  • To review current advancements in rhinomanometry techniques.
  • To discuss the most suitable methods and expressions for quantifying nasal patency.
  • To explore the relationship between objective measurements and subjective patient experience.

Main Methods:

  • Review of active posterior rhinomanometry using head-out body plethysmography.
  • Analysis of active anterior rhinomanometry employing face masks or nasal nozzles.

Related Experiment Videos

  • Calculation of nasal resistance using the formula R = 0.78 (delta P/V)1.33.
  • Consideration of standard objective data points (e.g., delta P 100 Pa for Japanese, delta P 150 Pa for Caucasians).

    • Main Results:

    • Active posterior rhinomanometry with head-out body plethysmography is suggested as a minimally invasive option.
    • Nasal resistance, calculated or averaged, is identified as a key indicator of nasal patency.
    • Discrepancies between rhinomanometric findings and subjective symptom evaluation are noted.
    • Nasal airflow acceleration and peak flow index can aid in diagnosing symptomatic nasal obstruction.
    • Nationality and anthropological factors may influence the severity and type of nasal stuffiness.

    Conclusions:

    • Rhinomanometry offers valuable objective data for nasal obstruction assessment.
    • The choice of method and interpretation criteria should consider patient characteristics.
    • Further research may be needed to reconcile objective measurements with subjective patient reports.