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Related Concept Videos

Larynx01:21

Larynx

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The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
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Related Experiment Video

Updated: Sep 4, 2025

Conducting Respiratory Oscillometry in an Outpatient Setting
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Oscillometry in total laryngectomized patients: A case study.

Antonio Gilardi1, Maria Carolina Colucci2, Andrea Colizza1

  • 1Department of Sense Organs, 9311Sapienza University of Rome, Viale del Policlinico 155, 00186, Rome, Italy.

Science Progress
|July 22, 2022
PubMed
Summary

Forced oscillation technique (FOT) offers a new way to measure respiratory function in laryngectomized patients. This method overcomes compliance issues common with spirometry and plethysmography in this population.

Keywords:
Oscillometry, Laryngectomy, Pulmonary function testing, Otolaryngology, Chronic obstructive pulmonary disease

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Area of Science:

  • Pulmonary Medicine
  • Respiratory Physiology
  • Medical Engineering

Background:

  • Analyzing respiratory function in laryngectomized patients presents significant challenges.
  • Traditional methods like spirometry and plethysmography show substantial difficulties due to patient non-compliance.

Purpose of the Study:

  • To introduce and evaluate the forced oscillation technique (FOT) for assessing respiratory mechanics in laryngectomized individuals.
  • To explore a novel, less compliance-dependent method for respiratory function analysis in this specific patient group.

Main Methods:

  • The study focuses on the application of oscillometry, specifically the forced oscillation technique (FOT).
  • FOT measures the mechanical properties of the respiratory system by analyzing impedance.
  • This technique is applied to laryngectomized patients, a population not previously studied with FOT.

Main Results:

  • The forced oscillation technique (FOT) minimizes problems associated with patient non-compliance.
  • FOT provides a new perspective for analyzing respiratory function in laryngectomized patients.
  • This methodology has not been previously applied to this patient cohort.

Conclusions:

  • Forced oscillation technique (FOT) is a promising new method for respiratory function assessment in laryngectomized patients.
  • FOT overcomes limitations of traditional pulmonary function tests in this population.
  • This represents a novel approach to understanding respiratory mechanics post-laryngectomy.