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Related Concept Videos

Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

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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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Tracheostomy Care II: Procedure01:25

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Tracheostomy care is an essential nursing skill that involves cleaning and maintaining a tracheostomy tube to prevent infection and other complications. Here's a step-by-step guide explaining each procedure with its rationale. Note that disposable gloves are to be worn at all times and changed as often as needed to maintain a sterile work environment, and to protect both patient and healthcare worker.
Step 1: Perform hand hygiene, and put on personal protective equipment: gown, gloves, mask...
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Tracheostomy Decannulation01:21

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

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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
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Tracheostomy Care I: Pre-procedural Steps01:16

Tracheostomy Care I: Pre-procedural Steps

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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:
894
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
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Related Experiment Video

Updated: Jan 3, 2026

Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications
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Author Spotlight: Advancements in the Fabrication of Synthetic Vocal Fold Models for Phonetic and Robotic Applications

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Voice quality after thyroplasty type I using a silicone block.

I Sebova, A Ziethe, M Doellinger

    Bratislavske Lekarske Listy
    |November 22, 2019
    PubMed
    Summary
    This summary is machine-generated.

    Thyroplasty type I surgery improved voice quality in patients with unilateral vocal fold paralysis. While not fully restoring normal voice parameters, the procedure significantly enhanced patients' quality of life.

    Keywords:
    acoustic analysis aerodynamic analysis.thyroplasty type Iunilateral vocal fold paralysisvoice quality

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    Area of Science:

    • Otolaryngology
    • Speech and Language Pathology
    • Vocal Fold Surgery

    Background:

    • Unilateral vocal fold paralysis significantly impairs voice quality and patient quality of life.
    • Thyroplasty type I is a surgical intervention aimed at medializing the paralyzed vocal fold.

    Purpose of the Study:

    • To evaluate the voice quality outcomes in adult patients following thyroplasty type I using a silicone block.
    • To assess the impact of the surgical intervention on subjective and objective voice parameters.

    Main Methods:

    • Preoperative and postoperative voice assessments were conducted on 10 adult patients.
    • Evaluated parameters included RBH (grade of glottic closure), videolaryngostroboscopy, and maximum phonation time (MPT).
    • A phoniatrician and speech therapist utilized patient records and specialized software (Lingwaves, GAT) for analysis.

    Main Results:

    • Postoperative glottic closure (RBH) improved significantly, with paralyzed vocal folds medialized.
    • Maximum phonation time (MPT) increased from a preoperative range of 3–10 seconds to 9–17 seconds postoperatively.
    • Postoperative jitter and shimmer values were higher than in healthy subjects, but closing quotient values approached normal.

    Conclusions:

    • Thyroplasty type I significantly improves voice quality compared to the preoperative state in patients with unilateral vocal fold paralysis.
    • Although voice parameters do not fully normalize, the surgery substantially contributes to the rehabilitation of voice and enhances patients' quality of life.