Related Experiment Video
Updated: May 16, 2026
11:11
Construction and Characterization of a Novel Vocal Fold Bioreactor
Published on: August 1, 2014
Vocal exercise may attenuate acute vocal fold inflammation.
Katherine Verdolini Abbott1, Nicole Y K Li, Ryan C Branski
1Department of Communication Science and Disorders, University of Pittsburgh, Pittsburgh, Pennsylvania, USA. kittie@csd.pitt.edu
Journal of Voice : Official Journal of the Voice Foundation
|November 27, 2012
Summary
Resonant voice (RV) exercises may reduce vocal fold inflammation more effectively than spontaneous speech or voice rest. This study suggests vocal fold mobilization can help attenuate acute inflammation.
Area of Science:
- Laryngology
- Speech-Language Pathology
- Biomedical Engineering
Background:
- Acute vocal fold inflammation can result from strenuous voice use.
- Current management often includes voice rest, but its efficacy is debated.
- Novel therapeutic interventions are needed to reduce vocal fold inflammation.
Purpose of the Study:
- To evaluate the effectiveness of resonant voice (RV) exercises in reducing acute vocal fold inflammation.
- To compare RV exercises against spontaneous speech (SS) and voice rest (VR).
- To test the hypothesis that RV exercises offer superior anti-inflammatory effects.
Main Methods:
- Prospective, randomized, double-blind study design.
- Nine healthy adults underwent vocal loading, followed by randomization to RV, SS, or VR conditions.
- Vocal fold secretions were analyzed for inflammatory markers (IL-1β, IL-6, MMP-8) at baseline and 24 hours post-intervention.
Main Results:
- Resonant voice (RV) exercises demonstrated the greatest reduction in inflammatory markers.
- Voice rest (VR) showed moderate improvement compared to spontaneous speech (SS).
- RV exercises were superior to both SS and VR in attenuating acute vocal fold inflammation.
Conclusions:
- Certain tissue mobilization techniques, specifically RV exercises, show promise in managing acute vocal fold inflammation.
- RV exercises may offer a more effective alternative to traditional voice rest for vocal fold recovery.
- Further research is warranted to explore the mechanisms and clinical applications of RV for vocal health.
Related Concept Videos
01:21Larynx
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
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
01:23Chronic Pharyngitis
Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
01:29Acute Respiratory Failure-V
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Ensure that patients are monitored continuously for their response to therapy, including changes in...
01:26Tonsillitis II: Management
This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
01:25Acute Inflammation III: Local and Systemic Effects
Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
01:26Acute Inflammation I: Inflammatory Response
Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect damage-associated...