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Related Concept Videos

Trachea01:22

Trachea

The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
Anatomical Features:
Location: About half of the trachea is situated in the neck, anterior to the esophagus, and extends from the larynx (at the level of the...
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway interventions are...
Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Endotracheal Intubation I: Procedure01:15

Endotracheal Intubation I: Procedure

Endotracheal or ET intubation is a critical medical procedure used to secure a patient's airway, often in acute respiratory distress, apnea, upper airway obstruction, ineffective clearance of secretions, high risk for aspiration, or during general anesthesia.
The ET tube comprises various components, including a standard adaptor to attach a bag-valve-mask (BVM) or ventilator, a cuff, a pilot balloon, and radiopaque markings along its length to measure the insertion distance. The tube sizes...

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Related Experiment Video

Updated: Jun 18, 2026

The Rigid Tube as an Alternative in Controlling the Problematic Airway
08:26

The Rigid Tube as an Alternative in Controlling the Problematic Airway

Published on: June 6, 2020

Is COVID-19 Infection A Risk Factor for Intubation-Related Acquired Airway Stenosis?

Kristell M Taylor1, Jessica A Tang1, Grace Amadio1

  • 1Department of Otolaryngology-Head and Neck Surgery, Lewis Katz School of Medicine at Temple University, Philadelphia, Pennsylvania, USA.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|June 17, 2026
PubMed
Summary

COVID-19 patients did not show an increased risk of developing airway stenosis after intubation. This retrospective study found no significant difference in stenosis rates between COVID-19 positive and negative patients.

Keywords:
COVID‐19airwayintubationlarynxposterior glottic stenosissubglottic stenosistracheatracheal stenosis

More Related Videos

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
04:46

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation

Published on: January 17, 2011

Related Experiment Videos

Last Updated: Jun 18, 2026

The Rigid Tube as an Alternative in Controlling the Problematic Airway
08:26

The Rigid Tube as an Alternative in Controlling the Problematic Airway

Published on: June 6, 2020

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
04:46

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation

Published on: January 17, 2011

Area of Science:

  • Medical research
  • Pulmonology
  • Critical care medicine

Background:

  • Airway stenosis is a potential complication of endotracheal intubation.
  • The impact of COVID-19 on the risk of developing airway stenosis in intubated patients remains unclear.

Purpose of the Study:

  • To investigate whether COVID-19 infection is a risk factor for post-intubation airway stenosis.
  • To compare the incidence of airway stenosis in COVID-19 positive versus COVID-19 negative intubated patients.

Main Methods:

  • Retrospective case-control study involving chart review of intubated patients.
  • Comparison between COVID-19 positive (n=105) and matched COVID-19 negative (n=101) patients.
  • Outcome assessment included endoscopic and radiographic evidence of airway stenosis.

Main Results:

  • No statistically significant difference in airway stenosis development between COVID-19 positive (5.77%) and COVID-19 negative (1.3%) patients (P=.202).
  • COVID-19 positive patients had longer intubation times (8.8 vs 3.5 days) and hospital stays (38.81 vs 17.16 days).
  • Higher rates of prone ventilation and intravenous steroid use were observed in COVID-19 positive patients.

Conclusions:

  • COVID-19 infection was not found to be an independent risk factor for developing intubation-related airway stenosis.
  • Further research may explore other factors contributing to airway complications in critically ill COVID-19 patients.