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Related Experiment Video

Updated: May 23, 2026

Standardized Measurement of Nasal Membrane Transepithelial Potential Difference (NPD)
09:47

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Published on: September 13, 2018

Normal nasal patency: problems in obtaining standard reference values for the surgeon.

M Moore1, R Eccles

  • 1Common Cold Centre, Cardiff University, Wales, UK. matthew.moore@doctors.org.uk

The Journal of Laryngology and Otology
|April 13, 2012
PubMed
Summary
This summary is machine-generated.

Surgeons lack normal nasal patency ranges due to variable data. Measuring decongested nasal passages may offer more stable, useful assessments for nasal obstruction.

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Area of Science:

  • Otolaryngology
  • Anatomy
  • Physiology

Background:

  • Nasal patency assessment is crucial for diagnosing nasal obstruction.
  • Current normal ranges for nasal patency are lacking or inadequate for clinical use.
  • Variability in physiological nasal patency is influenced by environmental and internal factors.

Purpose of the Study:

  • To review the reasons for the absence of established normal ranges for nasal patency.
  • To discuss factors influencing nasal patency and propose methods for more reliable measurements.
  • To suggest criteria for future population studies aiming to define normal nasal patency.

Main Methods:

  • Literature review of existing studies on nasal patency.
  • Critical analysis of current methodologies for measuring nasal patency.
  • Discussion of physiological and anatomical factors affecting nasal airflow.

Main Results:

  • Existing normal ranges for nasal patency exhibit significant variability and are based on flawed sampling.
  • Physiological nasal patency is inherently unstable due to factors like the nasal cycle and environmental exposure.
  • Decongestion may stabilize nasal patency, potentially providing more clinically relevant measurements.

Conclusions:

  • A definitive normal range for nasal patency is currently unavailable to surgeons.
  • Measuring nasal patency in a decongested state is proposed as a more stable and clinically useful approach.
  • Future population studies must control for anthropometric and environmental factors, utilizing measures like the nasal index instead of race.