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Related Experiment Videos

Rhinomanometry in children.

L P Parker1, W S Crysdale, P Cole

  • 1Department of Dentistry, University of Toronto, Ont. Canada.

International Journal of Pediatric Otorhinolaryngology
|May 1, 1989
PubMed
Summary
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Nasal resistance in children decreases with age and is higher with nasal pathology. The head-out plethysmography method for measuring nasal resistance is highly reproducible.

Area of Science:

  • Pediatric Otolaryngology
  • Respiratory Physiology

Background:

  • Nasal resistance (NR) is a key indicator of upper airway patency in children.
  • Understanding factors influencing NR is crucial for diagnosing nasal conditions.

Purpose of the Study:

  • To investigate the relationship between age, nasal pathology, and nasal resistance in children.
  • To assess the reproducibility of the head-out plethysmography method for measuring nasal resistance.

Main Methods:

  • Computer-assisted 'head-out' plethysmography was used to measure nasal resistance.
  • 986 pediatric patients (ages 4-18) were studied between January 1982 and December 1985.
  • Reproducibility was assessed using variance studies of the equipment.

Main Results:

Related Experiment Videos

  • Nasal resistance was found to decrease with increasing age.
  • Elevated nasal resistance correlated with mucosal swelling, adenoid enlargement, and other nasal pathologies.
  • The head-out volume displacement plethysmographic method demonstrated high reproducibility for NR assessment.

Conclusions:

  • Age is a significant factor in pediatric nasal resistance.
  • Nasal pathology directly impacts nasal airflow resistance in children.
  • Head-out plethysmography is a reliable method for assessing pediatric nasal resistance.