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[Evaluation of nasal patency]

F Schmäl1, T Deitmer

  • 1Hals-Nasen-Ohren-Klinik, Westfälischen Wilhelms Universität Münster.

Laryngo- Rhino- Otologie
|December 1, 1993
PubMed
Summary

Anterior rhinomanometry is the most reliable method for assessing nasal airflow, showing the best correlation with subjective breathing estimates. Other methods like acoustic rhinometry had significant drawbacks.

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Area of Science:

  • Otolaryngology
  • Respiratory Medicine
  • Medical Instrumentation

Context:

  • Nasal breathing assessment is crucial for diagnosing and managing various respiratory conditions.
  • Several methods exist to quantify nasal airflow, each with potential limitations.
  • Comparing these methods is essential for clinical utility and research.

Purpose:

  • To compare the efficacy of subjective breathing estimation, anterior rhinomanometry, nasal peak flow, and acoustic rhinometry.
  • To evaluate the impact of nasal decongestion on these measurement techniques.
  • To determine the most reliable method for assessing nasal airflow.

Summary:

  • All investigated methods showed the effect of nasal decongestion.
  • No significant correlation was found between subjective estimation, anterior rhinomanometry, nasal peak flow, and acoustic rhinometry.
  • Anterior rhinomanometry demonstrated the strongest correlation with subjective breathing assessment, particularly at 75 Pa on the better-flow side.

Impact:

  • Anterior rhinomanometry is identified as the most reliable method for nasal airflow assessment due to its reduced susceptibility to extranasal factors.
  • Acoustic rhinometry's reliability is hindered by issues with nosepiece-nostril fitting.
  • Findings guide the selection of appropriate tools for clinical evaluation of nasal patency.

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