I read the article entitled "Surgical treatment of obstructive sleep apnea" by Zahar et al with considerable interest.1 The authors discussed the effectiveness of their two basic surgical types of uvulopalatopharyngoplasty (UPPP). The two basic surgical variations of UPPP differ in the width of the anteroposterior palatal resection, being 1 to 2 cm (type 1) and 0.5 to 1.0 cm (type 2). Apnea index improvement was detected in 20 (65%) of 31 patients with type 1 UPPP vs 36 (64%) of 56 patients with type 2 UPPP. Consequently, they concluded that type 2 UPPP is recommended in the surgical intervention for obstructive sleep apnea (OSA), mainly due to the minimal postoperative morbidity. Areas responsible for inducing OSA are considered to be the nose, nasopharynx, soft palate, uvula, palatal tonsils, lateral and posterior walls of the oropharynx, and the base of the tongue. Stenosis of the airway in each area
Hasegawa M. Surgical Treatment of Obstructive Sleep Apnea. Arch Otolaryngol Head Neck Surg. 1994;120(6):678–679. doi:10.1001/archotol.1994.01880300092025
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