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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...
Atelectasis II: Pathophysiology01:10

Atelectasis II: Pathophysiology

Atelectasis develops when alveoli lose their air and collapse inward. Because lung tissue is naturally elastic, these air sacs shrink rather than remaining open. Collapsed alveoli are no longer ventilated, reducing their role in gas exchange. Blood flow may continue in these regions, creating a ventilation–perfusion mismatch. Clinical findings include decreased breath sounds, dullness to percussion, reduced chest expansion, and decreased tactile fremitus as sound transmission through collapsed...
Pneumothorax-I01:26

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Pneumothorax II: Pathophysiology01:08

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
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...

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Related Experiment Video

Updated: Jul 5, 2026

Endotracheal Intubation via Tracheotomy and Subsequent Thoracotomy in Rats for Non-Survival Applications
04:43

Endotracheal Intubation via Tracheotomy and Subsequent Thoracotomy in Rats for Non-Survival Applications

Published on: March 15, 2024

Primary tracheal collapse in a cat.

Holly L Mims1, Robert B Hancock, Michael S Leib

  • 1Department of Small Animal Clinical Sciences, Virginia-Maryland Regional College of Veterinary Medicine, Virginia Tech, Blacksburg, Virginia 24061, USA.

Journal of the American Animal Hospital Association
|May 3, 2008
PubMed
Summary
This summary is machine-generated.

A cat with severe breathing difficulty due to tracheal collapse underwent successful surgery using prosthetic rings. This innovative treatment offered long-term relief for this uncommon feline respiratory condition.

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Area of Science:

  • Veterinary Medicine
  • Small Animal Surgery
  • Respiratory System Disorders

Background:

  • Tracheal collapse is a progressive condition affecting the airway.
  • Extrathoracic tracheal collapse is rare in cats and presents significant respiratory challenges.
  • Conservative management often fails to resolve severe inspiratory dyspnea.

Observation:

  • A 7-year-old domestic shorthair cat presented with acute, severe inspiratory dyspnea.
  • Diagnostic imaging and tracheobronchoscopy confirmed primary extrathoracic tracheal collapse.
  • Medical management with oxygen, dexamethasone, and terbutaline provided no relief.

Findings:

  • Surgical correction was performed using nine custom-designed prosthetic tracheal ring implants.
  • The cat experienced significant improvement in clinical signs post-surgery.
  • Long-term follow-up at 11 months showed sustained positive outcomes, despite developing unilateral laryngeal paralysis.

Implications:

  • Prosthetic tracheal ring implantation is a viable surgical option for treating feline extrathoracic tracheal collapse.
  • This technique can significantly improve quality of life in affected cats.
  • Further research into long-term efficacy and potential complications is warranted.