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Decrease of resistance to air flow with nasal strips as measured with the airflow perturbation device.

Lily S Wong1, Arthur T Johnson

  • 1Biological Resources Engineering, University of Maryland, College Park, MD 20742, USA. lilywong@express.cites.uiuc.edu <lilywong@express.cites.uiuc.edu>

Biomedical Engineering Online
|October 27, 2004
PubMed
Summary

Nasal strips effectively reduce nasal resistance for improved breathing. This study confirms their benefit using the airflow perturbation device (APD) for athletes, snorers, and asthmatics.

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Area of Science:

  • Respiratory physiology
  • Medical device technology

Background:

  • Nasal strips are widely used to aid breathing for athletes, individuals with snoring issues, and asthmatics.
  • Previous research indicated increased airflow with nasal strips, but direct measurement of nasal resistance was lacking.
  • The airflow perturbation device (APD) offers an accessible method for quantifying respiratory resistance.

Purpose of the Study:

  • To directly measure the impact of nasal strips on nasal resistance.
  • To evaluate the efficacy of nasal strips using the airflow perturbation device (APD).

Main Methods:

  • Forty-seven volunteers (14 men, 33 women; ages 17-51) participated in the study.
  • Participants breathed into an APD with and without nasal strips using an oronasal mask.
  • The APD recorded respiratory resistance during inhalation, exhalation, and averaged across both.

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Main Results:

  • Nasal strips significantly reduced nasal resistance (p = 0.05).
  • Average nasal resistance decreased by 0.5 cm H20/Lps, from a baseline of 5.5 cm H20/Lps.
  • The reduction in nasal resistance was consistent during both inhalation and exhalation.

Conclusions:

  • Nasal strips demonstrably lower nasal resistance as measured by the APD.
  • The beneficial effect of nasal strips on nasal resistance is consistent during both inhalation and exhalation phases of breathing.