Abstract
Surgical treatment using Nd-YAG laser was performed on a 39-year-old man with sleep apnea syndrome (OSAS). According to the results of sleep study, the apnea index and the lowest Sa02 indicated severe OSAS. Radical examination, including MRI, showed that the obstructed region in the respiratory system was mainly in the nasopharynx, not the mesopharynx, and that a hypertrophic pharyngeal tonsil caused the obstruction in the nasopharynx. It is thought that the cases of OSAS involving nasopharyngeal obstruction due to a hypertrophic pharyngeal tonsil are common in children but rare in adults. Resection of the hypertrophic tissue was performed using an Nd-YAG laser at the midsection of the soft palate.Tracheostomy was also performed. The symptoms and results of sleep study were remarkably improved post-operatively, and the decrement in the region of obstruction was confirmed by a radiological analysis. The results showed that surgical resection of the pharyngeal tonsil using a laser is an effective and safe methods of treating OSAS in adults.
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