Computer-aided rhinometry: Analysis of inspiratory and expiratory nasal pressure-flow curves in subjects with rhinitis
✍ Scribed by Michael J. Schumacher; John A. Gaines; Bruce Bescript
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- English
- Weight
- 790 KB
- Volume
- 15
- Category
- Article
- ISSN
- 0010-4825
No coin nor oath required. For personal study only.
✦ Synopsis
Airflow through
the nose was measured by posterior rhinometry with the aid of a microcomputer to study reproducibility of pressure-flow curves, the ease of detection of nasal congestion and decongestion, and mathematical modelling of P-V curves. In twelve subjects with rhinitis, the median coefficient ofvariation ofnasal airway resistance was between 4.9% and 14.4% and was not significantly affected by inspiration and expiration, congestion and decongestion, or the flow rate at which it was measured. Fitting of 630 P-v curves to a quadratic equation was usually excellent, particularly during expiration.
Nasal Airflow
Curve-fitting Mathematical Model