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 Concept Videos

Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

2.9K
Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
2.9K
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

2.4K
Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
2.4K

You might also read

Related Articles

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

Sort by
Same author

Does three-dimensional facial morphology relate to risk of sleep-disordered breathing in children? A cross-sectional study.

Science progress·2026
Same author

Using peri-operative patient- and parent-reported experience and outcome measures to identify paediatric postsurgical recovery trajectories: an observational cohort study.

Anaesthesia·2026
Same author

Environmental sustainability in pediatric otolaryngology: An international survey of operating room practice patterns.

International journal of pediatric otorhinolaryngology·2025
Same author

Correction: Development and validation of the airway surgery enclosure for high-risk aerosol-generating airway procedures: a bench and clinical study.

Scientific reports·2025
Same author

Development and validation of the airway surgery enclosure for high-risk aerosol-generating airway procedures: a bench and clinical study.

Scientific reports·2025
Same author

Parental Perspectives on Pediatric Surgical Recovery: Narrative Analysis of Free-Text Comments From a Postoperative Survey.

JMIR perioperative medicine·2024
Same journal

Deep Learning-Assisted Prediction of Hearing Outcomes After Anatomically Successful Type I Tympanoplasty.

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale·2026
Same journal

Prevalence and Clinical Findings of Nasopharyngeal Reflux in Patients With Idiopathic Nasal Symptoms: A Preliminary Study.

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale·2026
Same journal

Endoscopic Type I Tympanoplasty: Comparative Outcomes of Autograft, Allograft, and Xenograft.

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale·2026
Same journal

Effectiveness of Multiple Platelet-Rich Plasma Injections for Olfactory Dysfunction.

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale·2026
Same journal

Early Adoption of Thyroid Radiofrequency Ablation in Canada: Physician Experiences, Barriers, and Facilitators to Implementation.

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale·2026
Same journal

Efficacy and Safety of Topical Sucralfate for Post-Tonsillectomy Pain in Children: A Systematic Review and Meta-Analysis of Randomized Controlled Trials.

Journal of otolaryngology - head & neck surgery = Le Journal d'oto-rhino-laryngologie et de chirurgie cervico-faciale·2026
See all related articles

Related Experiment Video

Updated: Jan 12, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

27.7K

Predicting Nasopharyngeal Depth in Children Using Body Measurements: A Pilot Study.

Meghan He1, Carmen Huang1, Marisa Dorling1

  • 1Division of Pediatric Otolaryngology, Head and Neck Surgery, Department of Surgery, British Columbia Children's Hospital, University of British Columbia, Vancouver, BC, Canada.

Journal of Otolaryngology - Head & Neck Surgery = Le Journal D'Oto-Rhino-Laryngologie Et De Chirurgie Cervico-Faciale
|November 8, 2025
PubMed
Summary
This summary is machine-generated.

A new formula predicts pediatric nasopharyngeal depth (ND) using simple bedside measurements. This can improve nasopharyngeal swabbing accuracy and reduce false negatives in children.

Keywords:
COVID-19 testingala-tragus distancebedside swab testingnasal packingnasopharynxpediatric

More Related Videos

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
06:48

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research

Published on: June 7, 2024

2.1K
Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

29.6K

Related Experiment Videos

Last Updated: Jan 12, 2026

Assessment of Child Anthropometry in a Large Epidemiologic Study
09:36

Assessment of Child Anthropometry in a Large Epidemiologic Study

Published on: February 2, 2017

27.7K
Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research
06:48

Author Spotlight: Advancements in 3D Optical Imaging for Comprehensive Body Composition Assessment in Modern Research

Published on: June 7, 2024

2.1K
Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses
14:05

Behavioral Assessment of Hearing in 2 to 4 Year-old Children: A Two-interval, Observer-based Procedure Using Conditioned Play-based Responses

Published on: January 23, 2017

29.6K

Area of Science:

  • Pediatric Otolaryngology
  • Medical Instrumentation
  • Anatomical Measurement

Background:

  • Accurate pediatric nasopharyngeal depth (ND) is crucial for effective nasopharyngeal swabbing.
  • Current methods lack personalization, potentially leading to false negatives.

Purpose of the Study:

  • To develop a predictive formula for pediatric ND.
  • To utilize surface anatomy measurements for tailored swabbing techniques.

Main Methods:

  • Prospective pilot study involving 63 children undergoing nasal endoscopy.
  • Collected data included sex, age, height, weight, ala-tragus distance, and pinky length.
  • Stepwise linear regression was used to derive the predictive formula.

Main Results:

  • Pediatric ND significantly varies with age.
  • The formula ND (cm) = ⅔ (pinky length) + ⅓ (ala-tragus distance) + 1 (if history of adenoidectomy) + 1 showed an R² of .78.
  • Average error of estimation was ±0.81 cm.

Conclusions:

  • Pediatric ND is predictable using bedside measurements of pinky length and ala-tragus distance.
  • The derived formula offers a practical approach to individualize nasopharyngeal procedures.
  • Further validation is needed to enhance accuracy in blind nasal instrumentation.