Related Experiment Video
Updated: Jun 5, 2026
04:43
Endotracheal Intubation via Tracheotomy and Subsequent Thoracotomy in Rats for Non-Survival Applications
Published on: March 15, 2024
Does short-term endotracheal intubation affects the acoustic characteristics?
1Department of ENT-HNS, Kathmandu Medical College, Sinamangal, Kathmandu. torankc@yahoo.com
Kathmandu University Medical Journal (KUMJ)
|January 7, 2011
Summary
Short-term endotracheal intubation anesthesia does not significantly alter voice acoustic characteristics. Computerized voice analysis is a non-invasive method to assess laryngeal function after intubation.
Area of Science:
- Laryngology
- Anesthesiology
- Acoustic Analysis
Background:
- Endotracheal intubation can cause temporary or permanent damage to the larynx.
- Advanced computer-based voice analysis can detect subtle acoustic waveform changes.
- 35 patients undergoing intubation anesthesia were studied.
Purpose of the Study:
- To analyze the effects of short-term intubation on voice using a computerized voice laboratory.
- To assess changes in acoustic waveforms post-intubation.
Main Methods:
- Acoustic waveform analysis of 35 patients 48 hours after intubation.
- Measurements included perturbation (jitter, shimmer), harmonic-to-noise ratio (HNR), and fundamental frequency (F0).
Main Results:
- No statistically significant differences in voice characteristics were found between pre- and post-intubation.
- A minimal decrease in fundamental frequency (F0) was observed.
Conclusions:
- Short-term intubation anesthesia does not alter acoustic voice characteristics.
- Acoustic waveform analysis is a non-invasive technique for evaluating tracheal intubation effects on laryngeal function.
- Further evaluation of this technique is warranted.
Related Concept Videos
01:15Endotracheal 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...
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...
01:24Endotracheal Tube Extubation
Endotracheal tube extubation is a critical procedure in weaning patients from mechanical ventilation. It involves physically removing the oral or nasal endotracheal (ET) tube, marking the final step in liberating a patient from ventilatory support.
Procedure
Extubation removes the endotracheal tube (ETT) from the patient on mechanical ventilation. It requires a well-coordinated, multidisciplinary approach involving physicians, nurses, respiratory therapists, and other healthcare professionals.
Procedure
Extubation removes the endotracheal tube (ETT) from the patient on mechanical ventilation. It requires a well-coordinated, multidisciplinary approach involving physicians, nurses, respiratory therapists, and other healthcare professionals.
01:17Endotracheal Intubation II: Nursing Management
Endotracheal intubation is a critical procedure that can be lifesaving for many patients with respiratory distress or failure. The role of nursing in managing endotracheal tubes is pivotal, as it involves pre-intubation preparation, assisting during the procedure, and post-extubation care.
1. Nursing Care of Patients Before Intubation
Before the endotracheal intubation procedure, nurses play an essential role in ensuring the process goes smoothly. The nurses must be familiar with intubation...
1. Nursing Care of Patients Before Intubation
Before the endotracheal intubation procedure, nurses play an essential role in ensuring the process goes smoothly. The nurses must be familiar with intubation...
01:30Cardiopulmonary 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...
01:22Trachea
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...
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...
01:28Tracheostomy: 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...
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...