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Parkinsonian Links
Speech Problems
An estimated 60 to 90 percent of people with Parkinson's experience speech problems, according to Margot Zobel. Typical problems include: If a person's speech reflects any of these problems, seek health from a speech therepist or pathologist as quickly as you can. Time is of the essence. Much can be done for you when your speech is only mildly impaired, but the possibilities for improvement decrease as the problems become more severe. There are exercises to treat all of these symptoms listed above. You can learn them from a speech therapist and then keep practicing them regularly at home. Exercises to improve breathing are very important. They increase the loudness of the voice and also help correct the respiratory problems that many patients experience. Other useful techniques include tongue, lip, and jaw exercises, and practice guides to improve pitch, articulation, and rate of speech.
In addition to tradtional speech therapy as applied above, there are three other possibilities for treating speech disorders in Parkinson's patients known to this author at this writing: FDA Approves Implants That Restore Lost Voice BALTIMORE, MD -- June 9, 1998 -- Johns Hopkins physicians have designed
a series of implants that restore bulk to weakened vocal cords,
returning the power of speech to those who have lost their voices from
paralysis associated with throat cancers, strokes or other conditions.
The National Parkinson Foundation has compiled a manual on speech. More links about speech may be found on Murray Charters' web pages
...from NPF newsletter, Summer, 1998
Some physicians are using injections of collagen as a treatment for
vocal cord weakness. Collagen is a type of protein found
underneath the skin. The collagen is often obtained from cows, but
may also be harvested from the patient. Prior to the actual
treatment, the patient is given a test dose of the collagen to make
sure there is no allergic reaction to the substance. If allergy is ruled
out, an anesthetic is sprayed into the throat and nostril. Then, a
thin, flexible tube is placed through the nose and down into the
throat. The tube allows doctors to view the vocal cords and the
injection procedure. Once the area is adequately visualized, a
syringe containing the collagen is inserted through the side of the
neck. The doctor then injects the collagen into the vocal cords.
The procedure generally takes about fifteen minutes.
The patented implants were approved by the U.S. Food and Drug
Administration in early spring.
The implants, shaped like the heads of tiny hammers, are made of
hydroxylapatite, a chalk-like substance that melds into the body's
tissue over time. Available in five sizes, the devices add volume to a
weakened vocal cord, pushing it to the center of the voice box so it can
meet its counterpart and produce sound.
Patients can lose the ability to speak when the nerve supply that
normally pushes the cords together is lost. This condition affects about
5,000 to 10,000 people each year and can follow stroke or traumatic
injury. It also can arise without an identifiable cause, explained
Charles Cummings, M.D., professor and chairman of otolaryngology-head
and neck surgery. There are more serious complications, too.
"People who can't close their vocal folds cannot project their voices or
trap air effectively, which makes it difficult to exercise or even walk
upstairs," he said. "There is also a danger of choking on food, as the
folds that normally protect the voice box can't close."
During a half-hour surgical procedure using local anesthesia, physicians
drill a small hole in the side of the neck, creating about an inch-size
opening in the thyroid cartilage to reach the vocal cord. Using
specially designed instruments, they insert sizers, or dummy devices of
varying sizes and ask the patients to speak. When the patient recognizes
his or her correct voice, the physicians remove the sizer and replace it
with a same-size implant, locking it in place with a small shim of the
same material.
"There's no greater thrill for both the patient and the doctor than to
hear the patient speak again in his or her natural voice," Cummings
said. "Patients can talk immediately following the surgery, but it may
take up to six weeks for them to gain optimal pitch range."
Cummings and his colleague, Paul Flint, M.D., have used similar implants
for about 10 years. Before the FDA's approval of their design, Cummings
and Flint had to hand-carve an implant for each patient using sialastic,
a less sturdy material. Having the pre-cut hydroxylapatite implants has
cut their operating room time in half and helped reduce post-operative
swelling.
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