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Related Concept Videos

Oxygen Delivering System III: Tracheostomy and T-piece01:23

Oxygen Delivering System III: Tracheostomy and T-piece

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Oxygen delivery is critical in clinical care, especially for patients with respiratory disorders or those undergoing surgical procedures. Various systems, such as tracheostomy and the T-piece, deliver oxygen to the lungs, ensuring adequate arterial oxygenation.
Tracheostomy
A tracheostomy is a surgically created opening (stoma) in the anterior part of the trachea. It is used to establish a patient airway, bypass an upper airway obstruction, simplify the removal of secretions, permit long-term...
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Tracheostomy: Procedure and Tubes01:28

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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...
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Trachea01:22

Trachea

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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...
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Tracheostomy Decannulation01:21

Tracheostomy Decannulation

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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...
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Related Experiment Video

Updated: Sep 27, 2025

Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
09:57

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

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Tissue Engineering for Tracheal Replacement: Strategies and Challenges.

Asmak Abdul Samat1,2, Zuratul Ain Abdul Hamid3,

  • 1Lung Stem Cell and Gene Therapy Group, Regenerative Medicine Cluster, Advanced Medical and Dental Institute (IPPT), Universiti Sains Malaysia, Penang, Malaysia.

Advances in Experimental Medicine and Biology
|April 7, 2022
PubMed
Summary

Tracheal tissue engineering aims to create stable, flexible scaffolds for cartilage and epithelial growth. Pre-vascularization is key to overcoming limited blood supply and enhancing regeneration for trachea replacement.

Keywords:
CartilageEpitheliumTissue engineeringTrachea replacementVascularization

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Last Updated: Sep 27, 2025

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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Tissue Engineering

Background:

  • Trachea replacement requires a scaffold that is stable and flexible, supporting tissue regeneration.
  • Anatomical complexity and limited blood supply hinder cartilage and epithelial regeneration.
  • Current tissue engineering strategies involve scaffolds, cells, and growth factors with variable success.

Purpose of the Study:

  • To review challenges and strategies in tracheal tissue engineering.
  • To focus on scaffold implantation in clinical and preclinical studies.
  • To highlight the importance of pre-vascularization in tracheal reconstruction.

Main Methods:

  • Literature review of clinical and preclinical studies on tracheal tissue engineering.
  • Analysis of scaffold materials, cell types, and growth factor applications.
  • Examination of pre-vascularization techniques for enhanced regeneration.

Main Results:

  • Various natural and synthetic scaffolds show promise but face challenges.
  • Insufficient vascularization remains a significant barrier to effective regeneration.
  • Pre-vascularization strategies are crucial for improving outcomes in tracheal reconstruction.

Conclusions:

  • Tracheal tissue engineering faces challenges due to anatomical complexity and vascularization deficits.
  • Scaffold design and pre-vascularization are critical for successful trachea replacement.
  • Further research into optimizing regenerative capacity is essential for clinical translation.