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Related Concept Videos

Trachea01:22

Trachea

6.2K
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...
6.2K
Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

5.8K
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...
5.8K
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

3.1K
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...
3.1K
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

5.9K
The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...
5.9K
Tracheostomy Care I: Pre-procedural Steps01:16

Tracheostomy Care I: Pre-procedural Steps

2.2K
A tracheostomy is a surgical technique that involves making an incision in the neck to provide access to the trachea. It is frequently used in medical conditions such as airway obstruction and prolonged mechanical ventilation. Effective nursing management is crucial for the long-term success of a tracheostomy.
Required Equipment
The equipment necessary for tracheostomy care includes:
2.2K
The Bronchial Tree01:23

The Bronchial Tree

8.0K
The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
8.0K

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Related Experiment Video

Updated: May 4, 2026

Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
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Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model

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Reconstruction of the trachea.

Sydney Ch'ng1, Gerald L Wong2, Jonathan R Clark1

  • 1Department of Head and Neck Surgery, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia.

Journal of Reconstructive Microsurgery
|December 17, 2013
PubMed
Summary

This review covers tracheal reconstruction methods, from autologous grafts to synthetic prostheses and newer bioengineering techniques. Current methods face challenges, and long-term data for novel approaches are still needed.

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Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease
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Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease

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Manufacture of a Multi-Purpose Low-Cost Animal Bench-Model for Teaching Tracheostomy
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Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease
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Area of Science:

  • Regenerative Medicine
  • Surgical Oncology
  • Biomaterials Science

Background:

  • Tracheal reconstruction presents significant surgical challenges due to anatomical complexity and bacterial colonization.
  • Established techniques include autologous grafts and flaps for limited resections, and microsurgical reconstructions for extensive defects.
  • Synthetic prostheses have yielded disappointing results, often complicated by mechanical failure and infection.

Purpose of the Study:

  • To review established autologous tracheal reconstruction methods.
  • To evaluate synthetic tracheal prostheses used in clinical practice.
  • To describe recent advancements in stem cell tracheal bioengineering and allogeneic transplantation.

Main Methods:

  • Literature review of autologous reconstruction techniques (e.g., flaps, grafts).
  • Analysis of clinical outcomes for synthetic tracheal prostheses.
  • Summary of emerging techniques: stem cell bioengineering and allogeneic transplantation.

Main Results:

  • Autologous techniques are effective for limited resections; microsurgical flaps with cartilage provide reliable reconstruction for extensive defects.
  • Synthetic prostheses have shown poor clinical outcomes, with high rates of infection, dislodgement, and obstruction.
  • Allogeneic grafts are associated with complications, primarily graft infections.
  • Tracheal bioengineering and allotransplantation show early promise, but long-term data are limited.

Conclusions:

  • Tracheal reconstruction remains challenging, with variable success rates across different methods.
  • While autologous techniques are established, newer bioengineering and transplantation approaches require further investigation and long-term outcome assessment.
  • Further research is crucial to develop safer and more effective tracheal reconstruction strategies.