1. Voice disorders are common.
Almost everyone experiences at least hoarseness from time to
time.
2. Good vocal quality and endurance
are extremely important for personal and professional
communication.
3. Some changes in voice quality or
endurance indicate the presence of serious diseases.
Consequently, all voice disorders warrant thorough
evaluation and accurate diagnosis.
4. Most voice problems are
correctable.
5. Voice disorders may lead to
permanent voice impairment. Accurate diagnosis and treatment
often avoids long-term problems.
6. The state-of-the-art and medical
standard of voice care have improved dramatically beginning
in the late 1970s and 1980s.
What is the voice and how
does it work?
The wonderful sound we call voice results from interaction
among numerous parts of the body. The vocal folds are part
of the larynx (voice box) and act as the oscillator or voice
source (noise maker) of the vocal tract (figure 1). They
produce only a "buzzing sound." The supraglottis vocal tract
(above the larynx) includes the pharynx, tongue palate, oral
cavity, nose, and other structures. Together, they act as a
resonator and are largely responsible for vocal quality or
timbre and the perceived character of all speech sounds. The
infraglottic (or subglottic) vocal tract (below the larynx)
serves as the power source for the voice by generating a
force, which directs and controls the air stream between the
vocal folds that is necessary for vocalization to occur.
Phonation (using the vocal folds to make sound) requires
interaction among the power source, oscillator, and
resonator. The voice may be likened to a brass instrument
such as a trumpet. Power is generated by the chest, abdomen
and back musculature producing a high-pressure air stream.
The trumpeter's lips open and close against the mouthpiece
producing a buzz similar to the sound produced by the vocal
folds. This sound then passes through the trumpet, which has
resonance characteristics that shape the sound we associate
with trumpet music. The non-mouthpiece portion of a brass
instrument is analogous to the supraglottic vocal tract.
What are the symptoms of
voice disorders?
Hoarseness is a coarse, scratchy sound caused most commonly
by abnormalities on the vibratory margin of the vocal fold.
These may include swelling, roughness from inflammation,
growths or anything that interferes with symmetric vocal
fold vibration. Other symptoms include breathiness, vocal
fatigue, volume disturbance, prolonged warm up time,
excessive phlegm, pain, and frequent throat clearing.
What does affect the voice?
Age
Voice use and training
Environmental irritants: pollution, allergens
Tobacco smoke
Various medications
Spicy foods, alcohol, caffeine
Any disturbance of the following
systems: respiratory, gastrointestinal, endocrine,
neurological, and psychological.
FREQUENTLY ASKED QUESTIONS
Can abusing the voice create problems?
Voice abuse (speaking either too much, too loudly, or
improperly over extended periods of time), is an extremely
common source of hoarseness, vocal weakness, pain and other
problems. In some cases, voice abuse can even create
structural problems such as vocal nodules, cysts and polyps.
What are vocal nodules?
Small, callous-like bumps on the vocal folds called nodules
are caused by voice abuse. In most cases, nodules are
associated with hoarseness, breathiness, vocal fatigue and
loss of range. Voice therapy will cure the vast majority of
patients.
What is reflux laryngitis?
The sphincter (a one-way valve) between the stomach and
esophagus (swallowing tube) is notoriously weak. In
gastroesophageal reflux laryngitism (figure 2) stomach acid
refluxes through this weak sphincter into the throat
allowing irritating gastric acid to come in contact with the
vocal folds and even to be aspirated into the lungs. Common
symptoms of reflux laryngitis are hoarseness (usually worse
in the morning and improves during the day), sensation of a
lump in the throat, excessive phlegm and frequent throat
clearing. Typical heartburn is frequently absent.
What is acute laryngitis?
Acute laryngitis (figure 3) presents with edema (swelling)
and erythema (redness) of the vocal fold. It may result from
infection (common cold, upper respiratory tract infection),
or irritation caused by excessive voice use such as
screaming at a sporting event or concert.
What about cancer of the larynx (voice box)?
Cancers of the larynx are common (figure 4), and are usually
associated with smoking. So any smokers with hoarseness
lasting more than two weeks should see a laryngologist.
What are other causes of
hoarseness?
Other causes of hoarseness include: allergies, thyroid
problems, neurological disorders, trauma to the voice box,
pregnancy, and a woman's menstrual cycle.
Who should I see for my voice
disorder?
Problems with the voice are best managed by a team of
professionals who know and understand how the voice
functions. A laryngologist is a Board Certified
Otolaryngologist -Head and Neck Surgeon, who sub specializes
in Laryngology and Care of the Professional Voice. This
highly trained physician can diagnose and treat your voice
problems. Treatment depends on the cause of your voice
problem, but may include lifestyle modification, medication,
surgery and referral to other professionals, such as a
speech/language pathologist, and teachers of singing. All
these professionals are part of the Voice Team that is going
to guide you toward recovery!
How is hoarseness evaluated?
The laryngologist will obtain a thorough history of the
hoarseness and of your general health. Then, she/he will
proceed with a complete ear, nose, and throat exam. Then the
doctor will proceed with strobovideolaryngoscopy. This
technology allows for early detection of small masses,
vibratory asymmetry, adynamic segments due to scar or early
cancer, and other abnormalities that are missed in vocal
folds that looked "normal" under continuous light (as
opposed to stroboscopic light). Strobovideolaryngoscopy is a
sophisticated, complex diagnostic procedure using special
equipment and skills not widely available. It often allows
diagnosis of problems that cannot be detected without
specialized examination. The Voice Institute is equipped
with a superior "state of the art" strobovideolaryngoscopy
system, which is mandatory for a comprehensive voice
evaluation.
If you are interested in
making an appointment with Dr. Dean please call the
Atlanta office at
404.256.7532.
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