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What Is Vocal Fold (cord) Paresis And Paralysis?

April 26, 2017Cord ear fold Head Institute neck paralysis paresis vocal

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What Is Vocal Fold (cord) Paresis And Paralysis?

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Vocal fold (or cord) paresis and paralysis result from abnormal nerve input to the voice box muscles (laryngeal muscles). Paralysis is the total interruption of nerve impulse resulting in no movement of the muscle; Paresis is the partial interruption of nerve impulse resulting in weak or abnormal motion of laryngeal muscle(s). Vocal fold paresis/paralysis can happen at any age – from birth to advanced age, in males and females alike, from a variety of causes. The effect on patients may vary greatly depending on the patient’s use of his or her voice: A mild vocal fold paresis can be the end to a singer’s career, but have only a marginal effect on a computer programmer’s career.