Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Accuracy of acoustic rhinometry.

P G Djupesland1, J S Røtnes

  • 1Department of Otolaryngology, Ullevål University Hospital, Oslo, Norway. p.g.djupesland@ioks.uio.no

Rhinology
|May 9, 2001
PubMed
Summary

Acoustic rhinometry (AR) accurately measures nasal airway volumes when considering the smallest cross-sectional areas. However, accuracy decreases with sound leakage to sinuses and when calculating dimensions from parallel planes.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Endoscopic grading systems for nasal polyps: are we comparing apples to oranges?

Rhinology·2022
Same author

Deposition of drugs in the nose and sinuses with an exhalation delivery system vs conventional nasal spray or high-volume irrigation in Draf II/III post-surgical anatomy.

Rhinology·2019
Same author

EXHANCE-3: a cohort study of the exhalation delivery system with fluticasone for chronic sinusitis with or without nasal polyps.

Rhinology·2019
Same author

Dose-dependent social-cognitive effects of intranasal oxytocin delivered with novel Breath Powered device in adults with autism spectrum disorder: a randomized placebo-controlled double-blind crossover trial.

Translational psychiatry·2017
Same author

Low-dose oxytocin delivered intranasally with Breath Powered device affects social-cognitive behavior: a randomized four-way crossover trial with nasal cavity dimension assessment.

Translational psychiatry·2015
Same author

Preliminary efficacy of fluticasone delivered by a novel device in recalcitrant chronic rhinosinusitis.

Rhinology·2010

Area of Science:

  • Medical Imaging
  • Otolaryngology
  • Biomedical Engineering

Background:

  • Nasal airway geometry is complex and challenging to measure accurately.
  • Acoustic rhinometry (AR) is a non-invasive technique used to assess nasal cavity dimensions.
  • Evaluating the precision of AR for complex nasal structures is crucial for clinical applications.

Purpose of the Study:

  • To assess the accuracy of acoustic rhinometry (AR) in determining nasal airway dimensions.
  • To evaluate AR's ability to measure cross-sectional areas and volumes in curved, slit-like nasal geometries.

Main Methods:

  • A 3D-printed model of a decongested nasal airway was created using stereolithography from MRI data.
  • High-resolution CT scans determined the model's precise dimensions for comparison.
  • The study investigated sound loss to paranasal sinuses and posterior measurement accuracy using the model.

Main Results:

  • Volume errors were below 14% for mean cross-sectional areas (MCA) and 8% for overall volumes.
  • Dimensions calculated from parallel planes showed significant errors (up to 52%).
  • Sinus ostia size impacted sound leakage, affecting posterior measurement accuracy, especially post-decongestion.

Conclusions:

  • AR-derived nasal airway dimensions are accurate when volume estimates use minimal cross-sectional areas.
  • Calculating dimensions from parallel planes reduces AR accuracy.
  • Sound leakage through sinus ostia compromises the precision of posterior nasal measurements.

Related Experiment Videos