VOCAL FOLD PARALYSIS AND PARESIS -
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POWER POINT
Description. Vocal fold paralysis is a
condition in which one or more nerves to the
vocal folds work poorly, and the vocal fold does
not move or deform normally. In most cases, the
vocal folds do not close, or do not close well.
Also, the vocal folds may not elongate normally
to produce high pitch. In other cases, which are
more rare, the vocal folds do not come apart
properly, and breathing can be difficult.
Paresis is a similar condition, only less
severe.
Causes. Vocal fold paralysis and paresis can
be cause by many different things. One of the
most common causes appears to be viral: a person
gets a cold or upper respiratory flu, resulting
in a temporary laryngitis that then does not
resolve normally. Other common causes are
surgery (chest, neck, or shoulder surgery),
heart problems, and more rarely, tumors or brain
diseases.
Treatment.
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Voice therapy – techniques include hard
glottal attack exercises, lateral digital
pressure, head tilt method, vocal function
exercises, and half-swallow boom technique.
These methods are utilized to reduce the
vocal and laryngeal hyperfunction that
results in an attempt to compensate for lack
of glottic closure.
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Phonosurgery – Two surgical options used
include medialization thyroplasty and
laryngeal reinnervation. Medialization
thyroplasty involves surgery to push the
paralyzed vocal fold closer toward the
middle so that the other vocal fold does not
have to work so hard for the vocal folds to
come together for voicing, and may be a
helpful option when aspiration is
persistent. It involves implantation of a
small device, made from silastic or
Gore-Tex, into the vocal fold to optimize
its position for better closure during
speaking and singing.
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Combination – because speech therapy, in
isolation, is often ineffective.
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