Abstract
A clinical study was conducted on 48 patients with bilateral recurrent laryngeal nerve paralysis, 29 females and 19 males. In 38 patients (79%), the paralysis was seen as surgical or post-operative. In a fairly large number of female patients it occurred after thyroid surgery and in males after surgery for esophageal cancer.This paralysis was often seen in males in the 6th and 7th decades of life, but in females seen from the 4th to 8th decades. Hoarseness was the most common symptom, followed by dyspnea, but dyspnea was never observed if there was more than 2 mm between the vocal folds. There was no significant correlation between the distance between the vocal folds and aspiration. There was also no instance of dyspnea becoming more serious, according to the answers to our questionnaire.
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