Vocal Cord Dysfunction Clinical Trial
Official title:
Treatment of Exertion Induced Paradoxical Vocal Fold Motion Disorder (PVFMD) With a Form of Respiratory Retraining Technique
Paradoxical Vocal Fold Motion Disorder (PVFMD), otherwise known as vocal cord dysfunction
(VCD) is a laryngeal breathing disorder that has several potential causes. In some
individuals, exertion is the predominant trigger. PVFMD can present like an asthma attack,
but asthma medication is ineffective in treating it. The effects of untreated PVFMD can be
devastating, leading to harmful, invasive, and ineffective treatments over a period of
years. Numerous anecdotal reports indicate that several behavioral techniques, may be
surprisingly effective and even curative. However, data are lacking. The form of respiratory
retraining technique tested in the current study educates people with PVFMD about breathing
and teaches them a number of breathing exercises specially designed to restore normal
breathing patterns.
This case series study will use a dyspnea perception questionnaire, patient daily logs, and
physiological measurements of heart rate and breathing to examine whether this form of
therapy can improve exertion-induced PVFMD symptoms.
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